Need advise on SQL,plsql developer career and future

Hi all,
I need all your advise in making an important decisions of my career path.I work in the IT field and have about total 4-5 years of work experience involving development and testing in a product based organization.
Presently-i have got chance since last 4-5 months to work with writing PLSQL code,SQL etc on a part basis. I am very much interested to continue my career path as a PLSQL developer.
But, unfortunately -in the total of my work experience-in the past 2-3 years-i worked with a internally developed DB query language(similar to SQL) and then from last few months with plsql. But this chance to work with PLSQL has been for less time and limited scope after which i will have to work on something different.
Ii want to fully take on my career in SQL,PLSQL as Database Developer.
Please advise me if my thinking seems logical and good and if I could do it. I have planned on applying for relevant SQL,PLSQL profile jobs.
Now, My serious worry and concern is I feel that since i have worked very less with PLSQL-so am low in confidence that I feel i wont be able to answer ,or tell or not knowledgeable enough to be able to clear the technical interviews for SQL,plsql development profile which would need at least some years of experience.
I have started studying and practsing PLSQL,sql by myself for from internet. So, can you all please advise me on how could i prepare myself for hard core technical interviews of SQL,PLSQL knowledge for about 2-3 years expertise.
I know its not much possible to be competent so much in the subject by just studying and practicing.Its easy as saying to study and get it by myself-but i want to try and will put my best for it.
Please help me with your inputs,all interview questions,hard ones-suggestions,links,any study materials, real time problems which i can try solving of SQL, PLSQL development.
Thanks All

Hi,
A very good starting point is (in my opinion): [Steven Feuerstein PL/SQL Obsession|http://www.toadworld.com/Knowledge/DatabaseKnowledge/StevenFeuersteinsPLSQLObsession/tabid/153/Default.aspx]. Also the official site [PL/SQL Technology Center|http://www.oracle.com/technology/tech/pl_sql/index.html]
Regards,

Similar Messages

Need advise on SQL Report base for APEX or jasper

Hello everyone,
I need some advise on how to approach this below report requirement. It has been bugging me for nearly 2 weeks now, and my time is running out.
Here is a simplified version of the database
Four tables: Defendant, Engagement, Service, Event.
A defendant can have more than 1 engagement, but they have only one open engagement at a time.
For each engagement, they will have services and events.
These events can be just general events or events that relates to the service.
Here is the script for the tables and sample data
CREATE TABLE "DEFENDANT"
   ("DEF_ID" NUMBER,
     "FIRST_NAME" VARCHAR2(50 BYTE),
     "LAST_NAME" VARCHAR2(50 BYTE),
     "ACTIVE" NUMBER DEFAULT 1
Insert into DEFENDANT (DEF_ID,FIRST_NAME,LAST_NAME,ACTIVE) values (1,'Joe','Bloggs',1);
Insert into DEFENDANT (DEF_ID,FIRST_NAME,LAST_NAME,ACTIVE) values (2,'John','Doe',1);
CREATE TABLE "ENGAGEMENT"
   ("ENG_ID" NUMBER,
     "DEF_ID" NUMBER,
     "COURT_NAME" VARCHAR2(20 BYTE),
     "DATE_JOINED" DATE,
     "DATE_TERMINATED" DATE,
     "ETHNICITY" VARCHAR2(50 BYTE),
     "ACTIVE" VARCHAR2(20 BYTE)
Insert into ENGAGEMENT (ENG_ID,DEF_ID,COURT_NAME,DATE_JOINED,DATE_TERMINATED,ETHNICITY,ACTIVE) values (1,1,'AAA',to_date('01/09/12','DD/MM/RR'),to_date('20/09/12','DD/MM/RR'),'European','1');
Insert into ENGAGEMENT (ENG_ID,DEF_ID,COURT_NAME,DATE_JOINED,DATE_TERMINATED,ETHNICITY,ACTIVE) values (2,2,'BBB',to_date('01/10/12','DD/MM/RR'),null,'Asian','1');
Insert into ENGAGEMENT (ENG_ID,DEF_ID,COURT_NAME,DATE_JOINED,DATE_TERMINATED,ETHNICITY,ACTIVE) values (3,1,'AAA',to_date('22/09/12','DD/MM/RR'),null,'European','1');
CREATE TABLE "EVENT"
   ("EVENT_ID" NUMBER,
     "ENG_ID" NUMBER,
     "NOTES" VARCHAR2(20 BYTE),
     "RELATED_SERVICE_ID" NUMBER,
     "START_DATE" DATE,
     "END_DATE" DATE,
     "ACTIVE" NUMBER DEFAULT 1
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (1,1,null,1,to_date('01/09/12','DD/MM/RR'),to_date('02/09/12','DD/MM/RR'),1);
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (2,1,null,1,to_date('23/09/12','DD/MM/RR'),null,1);
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (3,1,null,2,to_date('15/10/12','DD/MM/RR'),to_date('16/10/12','DD/MM/RR'),1);
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (4,2,null,null,to_date('02/10/12','DD/MM/RR'),null,1);
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (5,2,null,2,to_date('03/10/12','DD/MM/RR'),null,1);
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (6,3,null,null,to_date('22/09/12','DD/MM/RR'),to_date('23/09/12','DD/MM/RR'),1);
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (7,3,null,4,to_date('23/09/12','DD/MM/RR'),null,1);
Insert into EVENT (EVENT_ID,ENG_ID,NOTES,RELATED_SERVICE_ID,START_DATE,END_DATE,ACTIVE) values (8,2,null,null,to_date('12/10/12','DD/MM/RR'),null,1);
CREATE TABLE "SERVICE"
   (     "SERVICE_ID" NUMBER,
     "ENG_ID" NUMBER,
     "DESCRIPTION" VARCHAR2(200 BYTE),
     "DATE_STARTED" DATE,
     "DATE_TERMINATED" DATE,
     "ACTIVE" NUMBER DEFAULT 1
Insert into SERVICE (SERVICE_ID,ENG_ID,DESCRIPTION,DATE_STARTED,DATE_TERMINATED,ACTIVE) values (1,1,'Counselling',to_date('15/09/12','DD/MM/RR'),to_date('18/09/12','DD/MM/RR'),1);
Insert into SERVICE (SERVICE_ID,ENG_ID,DESCRIPTION,DATE_STARTED,DATE_TERMINATED,ACTIVE) values (2,1,'Housing',to_date('20/09/12','DD/MM/RR'),null,1);
Insert into SERVICE (SERVICE_ID,ENG_ID,DESCRIPTION,DATE_STARTED,DATE_TERMINATED,ACTIVE) values (3,2,'Treatment',to_date('01/10/12','DD/MM/RR'),to_date('15/10/12','DD/MM/RR'),1);
Insert into SERVICE (SERVICE_ID,ENG_ID,DESCRIPTION,DATE_STARTED,DATE_TERMINATED,ACTIVE) values (4,3,'Housing',null,null,1);
Insert into SERVICE (SERVICE_ID,ENG_ID,DESCRIPTION,DATE_STARTED,DATE_TERMINATED,ACTIVE) values (5,1,'Other',to_date('05/10/12','DD/MM/RR'),null,0);
Insert into SERVICE (SERVICE_ID,ENG_ID,DESCRIPTION,DATE_STARTED,DATE_TERMINATED,ACTIVE) values (6,2,'Treatment',to_date('16/10/12','DD/MM/RR'),null,1);****
And this is the view I am thinking to use as the base for the report
CREATE OR REPLACE FORCE VIEW "BASE_VW"
AS
SELECT Def.Def_Id,
    Def.First_Name,
    Def.Last_Name,
    Eng.Eng_Id,
    Eng.Court_Name,
    Eng.Date_Joined,
    Eng.Date_Terminated,
    Eng.Ethnicity,
    Ser.Service_Id,
    Ser.Description,
    Ser.Date_Started    AS Service_Start_Date,
    Ser.Date_Terminated AS Service_Date_Terminated,
    Ser.Active          AS Service_Active,
    Ev.Event_Id,
    Ev.Related_Service_Id,
    Ev.Start_Date,
    Ev.End_Date,
    Ev.Notes,
    ev.active AS event_active
FROM Defendant Def
LEFT OUTER JOIN Engagement Eng
ON Def.Def_Id = Eng.Def_Id
LEFT OUTER JOIN Service Ser
ON Eng.Eng_Id = Ser.Eng_Id
LEFT OUTER JOIN Event Ev
ON Ev.Eng_Id = Eng.Eng_Id;****
Requirement:
Report parameter: Start Date, End Date, Court_name
From chosen Court_name, list defendants who currently engage in the court.
For each defendant display
Section 1: Identifying Details: First Name, Last Name, Ethnicity, Date Joined Court
Section 2: All Services currently active that the defendant attend
Section 3: All Events that related to the service that the defendant attend
Section 4: All other events (don't have Related Service ID)
User must be able to download the whole report in spreadsheet or PDF format.
I did try to create a set of union selects (but the format is not that good, when no data return it display nothing, I would rather show some messages like "There is no associated events, rather than nothing")
and it only produces report for 1 defendant at a time.
We use Oracle APEX , so only select statement or PL/SQL Code return select statement is valid for report source.
In our place we use Jasper Report adjacent to APEX, but I have very little experience with Jasper report.
The developer who knows a lot about jasper report is too busy to help me.
Currently, I use union selects like below:
With Current_Engagement As
( Select Eng_Id From Engagement
Where Def_Id =2
And Date_Joined Is Not Null
And ( Date_Terminated Is Null Or Date_Terminated > Sysdate)
And Rownum =1
Select '1.Defendant ID' as col1, 'First Name' as col2, 'Last Name' as col3, 'Court Name' as col4, 'Ethnicity' as col5, 'Date Joined' as col6, 'Date Terminated' as col7
From Dual
Union All
Select Distinct to_char(Def_Id), First_Name, Last_Name, Court_Name, Ethnicity, to_char(Date_Joined), to_char(Date_Terminated)
From Base_Vw Inner Join Current_Engagement Ce On Base_Vw.Eng_Id = Ce.Eng_Id
Union All
select '2.Service ID', 'Service Description', 'Start Date', 'End Date', Null, Null, Null
from dual
Union All
Select distinct to_char(service_id), description, to_char(service_start_date), to_char(service_date_terminated), null, null, null
From Base_Vw Inner Join Current_Engagement Ce On Base_Vw.Eng_Id = Ce.Eng_Id
where service_active =1
Union All
Select '3.Event ID', 'Related Service ID', 'Start Date', 'End date', 'Notes', null, null
From Dual
Union All
Select distinct to_char(event_id), to_char(related_service_id), to_char(start_date), to_char(end_date), notes, null, null
from Base_Vw Inner Join Current_Engagement Ce On Base_Vw.Eng_Id = Ce.Eng_Id
Where Event_Active = 1
and related_service_id is not null
Union All
Select '4.Event ID', 'Start Date', 'End date', 'Notes', null, null, null
From Dual
Union All
Select distinct to_char(event_id), to_char(start_date), to_char(end_date), notes, null, null, null
From Base_Vw Inner Join Current_Engagement Ce On Base_Vw.Eng_Id = Ce.Eng_Id
Where Event_Active = 1
and related_service_id is nulland the result is kind of what I try to achieve (except that I need to work on display a message 'No data found' rather than nothing), But it seems that my code works only for one defendant.
COL1                           COL2                           COL3                           COL4                 COL5                 COL6        COL7
1.Defendant ID                 First Name                     Last Name                      Court Name           Ethnicity            Date Joined Date Terminated
2                              John                           Doe                            BBB                  Asian                01/10/12
2.Service ID                   Service Description            Start Date                     End Date
3                              Treatment                      01/10/12                       15/10/12
6                              Treatment                      16/10/12
3.Event ID                     Related Service ID             Start Date                     End date             Notes
5                              2                              03/10/12
4.Event ID                     Start Date                     End date                       Notes
4                              02/10/12
8                              12/10/12
10 rows selected
     However, I struggle to find a way to apply this to more than 1 defendant and still keep the format.
Defendant 1
All details related to defendant 1
Defendant 2
All details relayed to defendant 2
Defendant n
All details relayed to defendant nIs it possible to display a report as above by using only SQL script ?
Thanks a lot in advance. I am willing to compensate financially to someone who can give me a solution.
Edited by: Ann586341. View base_vw SQL script is fixed.

Thanks a lot Jeneesh. (You are really a guru.)
It is nearly 98% what the requirements ask for.
I just have one more question.
If I add more information into the database, just one more defendant
Insert into DEFENDANT (DEF_ID,FIRST_NAME,LAST_NAME,ACTIVE) values (3,'Minnie','Mouse',1);
--and one in Engagement table
Insert into ENGAGEMENT (ENG_ID,DEF_ID,COURT_NAME,DATE_JOINED,DATE_TERMINATED,ETHNICITY,ACTIVE) values (4,3,'BBB',to_date('05/10/12','DD/MM/RR'),null,'Latin America','1');Then I run the select statment again (without changing anything)
With Current_Engagement As
( Select Eng_Id
From Engagement
Where /*Def_Id =2
And*/ Date_Joined Is Not Null
And ( Date_Terminated Is Null Or Date_Terminated > Sysdate)
--And Rownum =1
titles as
( Select .9 dummy_rn,'1.Defendant ID' as col1, 'First Name' as col2, 'Last Name' as col3,
    'Court Name' as col4, 'Ethnicity' as col5, 'Date Joined' as col6,
    'Date Terminated' as col7
From Dual
union all
select 1.9,'2.Service ID', 'Service Description', 'Start Date', 'End Date',
    Null, Null, Null
from dual
union all
Select 2.9,'3.Event ID', 'Related Service ID', 'Start Date', 'End date', 'Notes',
    null, null
From Dual
Union All
Select 3.9,'4.Event ID', 'Start Date', 'End date', 'Notes', null, null, null
From Dual
all_titles as
( select dummy_rn,eng_id,col1,col2,col3,col4,col5,col6,col7
from current_engagement,titles
select col1,col2,col3,col4,col5,col6,col7
from (
      select dummy_rn,eng_id,col1,col2,col3,col4,col5,col6,col7
      from all_titles
      Union All
      Select Distinct 1,ce.eng_id,decode(Base_Vw.Eng_Id,null,'No Data',to_char(Def_Id)) def_id,
                      decode(Base_Vw.Eng_Id,null,'No Data',First_Name) First_Name,
                      decode(Base_Vw.Eng_Id,null,'No Data',last_Name) Last_Name,
                      decode(Base_Vw.Eng_Id,null,'No Data',court_Name) Court_Name,
                      decode(Base_Vw.Eng_Id,null,'No Data',ethnicity) Ethnicity,
             to_char(Date_Joined), to_char(Date_Terminated)
      From Base_Vw
              right outer join Current_Engagement Ce
              On Base_Vw.Eng_Id = Ce.Eng_Id
      Union All
      Select distinct 2,ce.eng_id,
            decode(Base_Vw.Eng_Id,null,'No Data',to_char(service_id)),
            decode(Base_Vw.Eng_Id,null,'No Data',description) ,
            decode(Base_Vw.Eng_Id,null,'No Data',to_char(service_start_date)),
            decode(Base_Vw.Eng_Id,null,'No Data',to_char(service_date_terminated)) ,
            decode(Base_Vw.Eng_Id,null,'No Data',null),
            decode(Base_Vw.Eng_Id,null,'No Data',null),
            decode(Base_Vw.Eng_Id,null,'No Data',null)
      From Base_Vw
              right outer Join Current_Engagement Ce
              On Base_Vw.Eng_Id = Ce.Eng_Id
      where service_active =1
      Union All
      Select distinct 3,ce.eng_id,
             decode(Base_Vw.Eng_Id,null,'No Data',to_char(event_id)),
             decode(Base_Vw.Eng_Id,null,'No Data',to_char(related_service_id)),
             decode(Base_Vw.Eng_Id,null,'No Data',to_char(start_date)),
             decode(Base_Vw.Eng_Id,null,'No Data',to_char(end_date)),
             decode(Base_Vw.Eng_Id,null,'No Data',notes),
             decode(Base_Vw.Eng_Id,null,'No Data',null),
             decode(Base_Vw.Eng_Id,null,'No Data',null)
      from Base_Vw
           right outer Join Current_Engagement Ce
           On Base_Vw.Eng_Id = Ce.Eng_Id
      Where Event_Active = 1
      and related_service_id is not null
      Union All
      Select distinct 4,ce.eng_id,
              decode(Base_Vw.Eng_Id,null,'No Data',to_char(event_id)),
              decode(Base_Vw.Eng_Id,null,'No Data',to_char(start_date)),
              decode(Base_Vw.Eng_Id,null,'No Data',to_char(end_date)),
              decode(Base_Vw.Eng_Id,null,'No Data',notes),
              decode(Base_Vw.Eng_Id,null,'No Data',null),
              decode(Base_Vw.Eng_Id,null,'No Data',null),
              decode(Base_Vw.Eng_Id,null,'No Data',null)
      From Base_Vw
          right outer Join Current_Engagement Ce
          On Base_Vw.Eng_Id = Ce.Eng_Id
      Where Event_Active = 1
      and related_service_id is null
order by eng_id,dummy_rn,col1
;The result is
COL1                           COL2                           COL3                      COL4                 COL5                      COL6        COL7
1.Defendant ID                 First Name                     Last Name                 Court Name           Ethnicity                 Date Joined Date Terminated
2                              John                           Doe                       BBB                  Asian                     01/10/12
2.Service ID                   Service Description            Start Date                End Date
3                              Treatment                      01/10/12                  15/10/12
6                              Treatment                      16/10/12
3.Event ID                     Related Service ID             Start Date                End date             Notes
5                              2                              03/10/12
4.Event ID                     Start Date                     End date                  Notes
4                              02/10/12
8                              12/10/12
1.Defendant ID                 First Name                     Last Name                 Court Name           Ethnicity                 Date Joined Date Terminated
1                              Joe                            Bloggs                    AAA                  European                  22/09/12
2.Service ID                   Service Description            Start Date                End Date
4                              Housing
3.Event ID                     Related Service ID             Start Date                End date             Notes
7                              4                              23/09/12
4.Event ID                     Start Date                     End date                  Notes
6                              22/09/12                       23/09/12
1.Defendant ID                 First Name                     Last Name                 Court Name           Ethnicity                 Date Joined Date Terminated
3                              Minnie                         Mouse                     BBB                  Latin America             05/10/12
2.Service ID                   Service Description            Start Date                End Date
3.Event ID                     Related Service ID             Start Date                End date             Notes
4.Event ID                     Start Date                     End date                  Notes
23 rows selected Is it possible in SQL to display it like this
COL1                           COL2                           COL3                      COL4                 COL5                      COL6        COL7
1.Defendant ID                 First Name                     Last Name                 Court Name           Ethnicity                 Date Joined Date Terminated
2                              John                           Doe                       BBB                  Asian                     01/10/12
2.Service ID                   Service Description            Start Date                End Date
3                              Treatment                      01/10/12                  15/10/12
6                              Treatment                      16/10/12
3.Event ID                     Related Service ID             Start Date                End date             Notes
5                              2                              03/10/12
4.Event ID                     Start Date                     End date                  Notes
4                              02/10/12
8                              12/10/12
1.Defendant ID                 First Name                     Last Name                 Court Name           Ethnicity                 Date Joined Date Terminated
1                              Joe                            Bloggs                    AAA                  European                  22/09/12
2.Service ID                   Service Description            Start Date                End Date
4                              Housing
3.Event ID                     Related Service ID             Start Date                End date             Notes
7                              4                              23/09/12
4.Event ID                     Start Date                     End date                  Notes
6                              22/09/12                       23/09/12
1.Defendant ID                 First Name                     Last Name                 Court Name           Ethnicity                 Date Joined Date Terminated
3                              Minnie                         Mouse                     BBB                  Latin America             05/10/12
2.Service ID                   Service Description            Start Date                End Date
No Service Found
3.Event ID                     Related Service ID             Start Date                End date             Notes
No Event Found
4.Event ID                     Start Date                     End date                  Notes
No Event FoundOr just a 'No data found' would do. I am thinking about create a dummy table which contains only one row with text "There is no data found". And so the outer join with the result, but I still cannot work out how to integrate with the condition in your select statement.
I really appreciate your help.

Need Advise on Global Temporary tables or Materialized views or Views

Need advise on a plsql procedure working on.
I had 6 tables having 200,000 rows in total intially,but will get added a maximum 20,000 rows daily by a batch process.
I am writing a plsql code that takes an input ,for example customer_id, and is required to get all the data for that customer_id and
had to do some complex calculation that includes stepwise validations before giving the output.Now while doing the logic it has the get the data for that customer_id from all the tables.
There may be 100 records for that particular customer_id.
I need advise on the below options.
1.Use of global temporary tables get those 100 records and do the calculation part on that Global Temporary table.
2.Use of Views or Materialized views.
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The approach that many advocate for here (including myself) is to do as much in SQL as possible. So, copying to GTTs or using record structures is probably not the solution you should be after.
If you can provide the following details we may be able to steer you down the right path
1. Oracle version (SELECT * FROM V$VERSION)
2. Sample data in the form of CREATE / INSERT statements.
3. Expected output
4. Explanation of expected output (A.K.A. "business logic")
5. Use \ tags for #2 and #3. See FAQ (Link on top right side) for details.
Ideally try and re-create the problem, simplifying it as much as possible, without losing context. Use #1-#5 above as a base for posting your simplified problem here. Then we may be able to give you a solution specific to your problem.

Oracle PLSQL developer guidance needed

Hi,
I am working as a PLSQL developer since last 3 years ,have a oracle certification on it. My current profile also includes
dba activities related to development and test databases.
Wanted to ask if i continue further in plsql would doing a oracle dba certification be helpful for my career.
Also that after a couple of years in plsql what would be my profile and if i went for a dba profile now then what would be my profile.
Seniors please guide.
Thanks.

A-K wrote:
Hi,
I am working as a PLSQL developer since last 3 years ,have a oracle certification on it. My current profile also includes
dba activities related to development and test databases.
Wanted to ask if i continue further in plsql would doing a oracle dba certification be helpful for my career.
Also that after a couple of years in plsql what would be my profile and if i went for a dba profile now then what would be my profile.
Seniors please guide.
Thanks.bigdelboy is not a senior, merely a bigdelboy ... thoug I suppose as he was talking about ICL4130's today his age may be showing a little.
As you have a PL/SQL I assume (possibly incorrectly) it is a PL/SQL OCA certification. In that case you should ensure you get a PL/SQL OCP first to demonstrate a high level of competence in that area.
After that you may feel that a DBA certifcatiion may be helpful it towards some of the 'DBA' takes you are doing. 'DBA' covers a whole load of things, so its difficult to say how relevant the OCA would be for you. But a different way of looking at it is that self studying for a DBA probably wouldn't do much harm and you would learn cosething is the self study. But having said that you might want to review other things to look at:
(1) Make sure you have done the 2 day dba course (and sit the exam also. You would get a cert but you might get a useful exam pass and it might be relevant to what you are doing).
(2) Make sure there isn't something else you should be doing instead. The SQL OCE would be one thought. Or perhaps something completely different like UML. Or maybe some of the SOA stuff. Or maybe things that are not certifable like SQL statement tuning, or database security things, or Business intelligence .....
The things I've mentioned are not directly career moved focused, so in that sense I probably havan't answered your question.
Rgds - bigdelboy.

Need help in regarding Oracle PLSQL developer interview questions

Hi all,
I am totally new in this field regarding plsql. I have just finished training in oracle plsql and in oracle financials. But for starting career i am looking jobs as:Oracle plsql developer. Can somebody help me what type of questions people going to ask? I am not confident yet, i have made my resume but for submitting resume i just want to be aware for the interview questions. Can somebody help me in telling me good questions and answers as to what to prepare?
Thanks in advance.

1.
Do you have experience in Oracle 10g? If so, what are your favorite new features? (shows depth of experience and how well they are keeping up with technology)
2.
Partitioning (Practical Scenarios)
1.
Have you ever worked with partitioned tables? Example:
2.
What types of partitioning?
3.
What types of indexing, global or local? Why did you choose global or local?
4.
What do you see in SQL that is accessing partitioned tables that enables Oracle to take advantage of partitioning?
5.
What is partition pruning?
3.
PL/SQL Bulk Features
1.
Have you ever used PL/SQL bulk features? Which ones? Can you provide an example?
2.
What makes bulk processing faster?
3.
What PL/SQL data constructs are required to use bulk features?
4.
Oracle Collections
1.
What are the three types of collections?
2.
When would you use a varray versus a nested table?
5.
Global Temporary Tables
1.
Have you ever used Global Temporary Tables? Example:
2.
How does Oracle treat Global Temporary Tables differently than regular tables, making them faster?
6.
Autonomous Transactions
1.
What is an autonomous transaction? Example:
7.
SQL Tuning
1.
Someone comes to you with a SQL statement that is running slow, what are some potential problems that can be identified just by looking at the SQL statement?
2.
What are the steps you follow in the database to tune SQL?
8.
Locking Techniques
1.
Types of Locks
1.
Optimistic
2.
Pessimistic
3.
Lock Escalation
9.
Autonomous transactions, where to use examples if any
10.
Difference between Truncate and Delete Statement
11.
PL/SQL tables, index by tables, VARRAY, associate arrays, differences and when to use
12.
Performance tuning related, Using Explain plan, SQL* Plus auto trace, and using tkprof
13.
Different types of joins oracle uses ( Hash join, Merge Join, Nested loop join)
14.
Oracle SQL ANSI syntax ( JOIN USING, JOIN ON, LEFT OUTER JOIN,RIGHT OUTER JOIN etc..)
15.
dbms_profiler package uses
16.
Unit testing approach, if you know and worked on out PLSQL frame work for automatic testing, its big advantageous
17.
Oracle approach for read consistency, what is SCN, dirty reads, phantom reads etc..
18.
Standards ( Coding standards, naming standards etc.) , There are guidelines and naming standards for variables, package, procedure, function names, database object names etc…( Be prepared what standards you followed in previous projects )
19.
Snapshot too old error, fetch out of sequence error when it comes, should be able to explain.
20.
Oracle block, what it contains. Row chaining, row migration concepts
21.
Version control software’s (experience in clearcase and clearquest is big advantage). If you have not used these, know about the importance of these and be prepared to explain which ones you used in previous projects, and how the PL/SQL code used to deploy.
22.
Oracle server architecture, know about oracle memory structures, background processes overview

PLSQL Developer 与 Oracle SQL Developer 哪个更好?

一直都是使用 PLSQL Developer 做一些开发, 想知道它与 Oracle SQL Developer 有什么不一样, 哪个更好用?

我想对于这两个产品，哪个更好众说纷纭。我觉得各自有各自的优缺点。当然相对于PLSQL Developer 来说Oracle SQL Developer 的最大优点之一就是它的免费吧,当然它的很多细节上的功能还没有那么丰富。^_^
你可以通过以下链接下载 Oracle SQL Developer
http://www.oracle.com/technology/software/products/sql/index.html
We’ve given up all of our licenses for other tools. We simply don’t need them anymore. Oracle SQL Developer does it all for us. We’ve saved a lot of money because it’s free. It’s also given our development staff a standard tool and they love it. It’s made training and support easier.
以上是一个使用者的评论，你可以在下边的地址找到。
http://www.oracle.com/technology/products/database/sql_developer/index.html

SQl developer installation and set up the connections

Hi,
I m a new learner of Oracle - SQL. My doubt is can i have an test environment( a dummy) connection in SQL developer for my practice purpose in my local laptop.
Do i need to install Oracle to work with SQL developer in my system.Wat all I should have to fulfill the abve?
Pls guide from the basic
Thanks in Advance

cuteprathyu999 wrote:
Hi,
I m a new learner of Oracle - SQL. My doubt is can i have an test environment( a dummy) connection in SQL developer for my practice purpose in my local laptop.
Do i need to install Oracle to work with SQL developer in my system.Wat all I should have to fulfill the abve?
Pls guide from the basic
Thanks in Advance
SQL Developer is a 'client' tool. It is pretty much worthless without a database to connect to. You can't execute SQL statements without a database. The database can be either on your local machine (where you have installed SQL Dev) or on a remote machine. To get a database on your own machine, you will need to download Oracle Database, install it, and create a database. Be sure to read the installation guide for installation prereqs, including certified operating systems.

Not able to connect db using developers(plsql developer,sql developer)

Hi,
I used to work on plsql developer, but since from few days i am not able to connect to it, so i have installed sql developer still i am not able to connect to database.
I can connect to the database using sql*plus. dont know what happend suddenly i have not changed any settings.
I am getting the error when connecting sql developer: Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection
when connecting through plsql developer getting the error: ora-12545 connect failed because target host or object does not exist
Please help.
Thanks,
Vinod

Wrong forum - please repost in the SQL Developer forum, edit this post to include the link to the SQL Developer thread and then mark this as ANSWERED.
SQL Developer
>
when connecting through plsql developer getting the error: ora-12545 connect failed because target host or object does not exist
>
In you post on the other forum include your 4 digit Oracle version and the version of SQL Developer that you are using.
Also provide the step by step details of how you are trying to create the new connection.
The error message is telling you that you are using a server or host name that does not exist.

SQL developer starts and then disappears without any warning

Hi, guys:
I need to use SQL developer where there are existing connections. however, SQL developer 3.1 asked the java.exe location, and I chose java 6, now I can launch SQL developer but not able to continue running it. SQL developer starts and then disappears without any warning. Could anyone help me on this problem?
Thanks a lot!
Sam

Can you start the exe from the BIN subdirectory? That should open a command console, and maybe you can see any error messages there that explain what's happening. For step-by-step directions, here's some help:
http://www.thatjeffsmith.com/archive/2012/06/how-to-collect-debug-info-for-oracle-sql-developer/
OR
Install SQL Developer to a new directory and run it from there and see if that helps you get around your current install's issue.

WHAT IS DIFFERENCE BETWEEN DEVELOPER 2000 AND SQL DEVELOPER?

Hello Everyone.I am new to oracle and want to know the difference between developer 2000 and sql developer in oracle.Pls?

Developer 2000 is an application for making webforms that will be served on an Application Server, and accessed by the end users through an applet in their webbrowser.
SQL Developer is a tool for administrating and manipulating data and structure of your database. Like a GUI version of SQL*Plus, not advisable for end users.
Regards,
K.

I need advise and help with this problem . First , I have been with Mac for many years ( 14 to be exact ) I do have some knowledge and understanding of Apple product . At the present time I'm having lots of problems with the router so I was looking in to

I need advise and help with this problem .
First , I have been with Mac for many years ( 14 to be exact ) I do have some knowledge and understanding of Apple product .
At the present time I'm having lots of problems with the router so I was looking in to some info , and come across one web site regarding : port forwarding , IP addresses .
In my frustration , amongst lots of open web pages tutorials and other useless information , I come across innocent looking link and software to installed called Genieo , which suppose to help with any router .
Software ask for permission to install , and about 30 % in , my instinct was telling me , there is something not right . I stop installation . Delete everything , look for any
trace in Spotlight , Library . Nothing could be find .
Now , every time I open Safari , Firefox or Chrome , it will open in my home page , but when I start looking for something in steed of Google page , there is
''search.genieo.com'' page acting like a Google . I try again to get raid of this but I can not find solution .
With more research , again using genieo.com search eng. there is lots of articles and warnings . From that I learn do not use uninstall software , because doing this will install more things where it come from.
I do have AppleCare support but its to late to phone them , so maybe there some people with knowledge , how to get this of my computer
Any help is welcome , English is my learned language , you may notice this , so I'm not that quick with the respond

Genieo definitely doesn't help with your router. It's just adware, and has no benefit to you at all. They scammed you so that they could display their ads on your computer.
To remove it, see:
http://www.thesafemac.com/arg-genieo/
Do not use the Genieo uninstaller!

I want to use the SQL Toolkit of NI and SQL Server as my databasis on a server. Do I need to install a client in each computer I want to handle the data into SQL tables or I need only a ODBC driver?

I want to use the SQL Toolkit of NI and SQL Server as my databasis on a server. Do I need to install a client in each computer I want to handle the data into SQL tables or I need only a ODBC driver?

You only need the ODBC driver on each computer. If you are distributing the SQL Toolkit app as an executable and do not install the whole toolkit on each computer, you'll need the SQL Toolkit support files. This is about a dozen files. You can get the list at http://digital.ni.com/public.nsf/websearch/b814be005f9da9258625658700550c75?OpenDocument.

I'm new to SQL Server Integration Services and I need help on how to begin learning SSIS. Is there any training for it besides msdn?

I'm new to SQL Server Integration Services and I need help on how to begin learning SSIS. Is there any training for it besides msdn?

Check this thread where people have already given their suggestion on learning SSIS
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/f2cc1cf3-204d-454a-a189-47df87a3aa23/i-want-to-learn-ssis?forum=sqlintegrationservices
I would suggest to go for You tube videos (type learn SSIS or begin SSIS step by step) you will get lot of good tutorials to start with.
Happy Learning!!
If this post answers your query, please click "Mark As Answer" or "Vote as Helpful".

HT4623 i have installed the beta version of 6.1 a month ago and now i cannot open my iphone 5 it needs regestration and when i try to register it says that it couldnt complete and i need to register in the developer what can i do now to reopen my device?

I have installed the beta version of 6.1 a month ago and now i cannot open my iphone 5 it needs regestration and when i try to register it says that it couldnt complete and i need to register in the developer what can i do now to reopen my device?

Probably wasn't a good idea to install beta software on a device when you're not a developer.
Apple clearly states that beta software is not to be installed on production devices.
Not really much you can do except wait for iOS 6.1 to be officially released and then install it.

I have a mac pc, recently went into iPhoto I needed a picture to be developed. Opened iPhoto and notice I no longer have over 300 photo's. Can someone out there tell me where they went to ?

4 days ago I neede to have a picture developed. Opened iPhoto and noticed over 15 Albums are
no longer there. I belive this and other problems started once I downloaded OX S app. And now I have lots of problems. Lots of flickering when playing Blackjack, all my emails are not syncing. Also the I have had to change the batteries in my mouse and keyboard, the "not connected" pop-up and "connected" pop-up will and this is on a daily basis. Please some one help...
Mahalo nui loa
Rosealani Solis

When you post in the iMac forum be sure to give your iMac model identifies no. i.e., iMac X,X, which can be found by going to your Applications/Utilities folder and launching System Information.app. In the Hardware Overview section you'll see the Model Identifier.
Give them the system you're running and details of what you're experiencing and when.
OT

Need advise on SQL,plsql developer career and future

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