Need help with ORACLE ADMIN, NETWORKING CONCEPTS and SQL, ASAP!

Hey everyone. Basically my major is going to be computer science, however I haven't started the course yet. However I got a job offering to the position as a SEO. A friend told me as long as I can answer the questions, the job will be no problem, I mainly just google oracle commands to put in all day. So I'm really needing someone who knows about this stuff, that could help me with some of these questions. If you can help, and have the time, my skype ID is drakkarnc
I greatly appreciate this, thank you. :)

841784 wrote:
Hey everyone. Basically my major is going to be computer science, however I haven't started the course yet. However I got a job offering to the position as a SEO. What is "SEO"?
A friend told me as long as I can answer the questions, the job will be no problem, I mainly just google oracle commands to put in all day. So I'm really needing someone who knows about this stuff, that could help me with some of these questions. If you can help, and have the time, my skype ID is drakkarnc
I greatly appreciate this, thank you. :)YOu think you can learn this stuff in a few days? Think again.
Re: What to learn first for DBA/DEV?

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Need help with how to reset bios and admin password to reformat hard drive in 8440p elitebook.......

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Hi,
As your notebook is a business class machine, security is more stringent - the password is stored in non-volatile memory and there are no 'backdoor' passwords. Your best option would be to contact HP regarding this.
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Hi,
I need some help... if someone can help its great.
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Okay, I see you followed the advice in that other thread and started a new post for you question. Congratulations. Your next lesson in forum etiquette is to give your posts a more relevant subject. Pretty much everybody who posts here needs help with oracle; if they need help with cooking catfish they've come to the wrong place.
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Hi Brandon,
A diagram or picture will help us to understand your case.
For dump file or other logs which do not contain the sensitive information, you can still use OneDrive to share them so that other community members can also provide help in analysis.
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Back in the days of OS 7.5, I managed to stick my old faithful Mac onto my family's otherwise all-PC network. All I really needed was internet access - I didn't try to fileshare.
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I'm using the Mac wired - it does not have wireless capability, and as it is sitting right next to the router I just want to hook it up with Ethernet cable. The wireless function is just for the PCs I have downstairs.
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Hello,
I recently acquired PP CS6. I put my clip (30 seconds long) and I go to preview while editing, for the first 1.5 seconds it is fine but then it is very choppy. The audio is fine but the video does not play smoothly. When I save and process the video it is fine. It is frustrating to try to edit video this way. I'm sure I'm missing a step when creating the project but I haven't used Premiere Pro since CS6. This is only happening with Go Pro Hero 3 videos, any of my other cameras are fine. Any ideas? Thanks

There's a lot of confusion over how video encoding affects subsequent editing performance - a higher data rate has no direct relation to how much effort is required to decode and play the footage, in fact a higher data rate often makes playback easier - which is why transcoding to AVI can help with playback even though the files can be hundreds of times larger. Data rates with the same codec depend on the frame contents and recording quality, but for playback and editing what matters is the GOP (group-of-pictures) structure and the complexity of the encoding algorithm. Provided your disks are fast enough the data rate is immaterial to Premiere.
With long-GOP files (as typically created by consumer DSLRs and helmet cams) we have keyframes (I-frames) with a complete set of pixel data, then a series of intervening P- and B-frames which only store the difference between 'now' and 'one frame before' or 'one frame after'. Unless you're on an I-frame you have to calculate the chain of differences from the nearest I-frame, and when editing or applying an effect we must re-calculate the entire GOP, so Premiere has to hold a lot of data in the buffer. Remember all timelines in Premiere are internally transcoded to 32-bit floating point, so it's more work to 'play' the footage in the monitors than would be done by a simple playback-only application such as VLC, or in some other brands of NLE that only work in the footage's color space. Premiere's hardware acceleration (MPE) only kicks in once the buffer has been ingested, all the decoding of the original H.264 frames happens in your CPU.
With digital cinema cameras and some hacked DSLRs, we record "all-I" footage - so there's no GOP overhead and playback/editing is massively smoother. I can scrub all-I footage from a hacked 7D no problem on my relatively-ancient spare laptop, but the long-GOP files from a factory 7D struggle to play at all. Our all-I 7D footage can hit 300MBit/s compared to 35 for long-GOP. Helmet cams such as the GoPro do all they possibly can to squeeze data onto their storage cards, which means they have long-GOP codecs that have some of the most complicated compression algorithms out there. The Hero3's implementation of H.264 uses the Ambarella chip, whose files are very small but an utter nightmare to decode - hence far more of a demand on your CPU than an equivalent clip from a DSLR.
Jim Simon wrote:
Might be the 35 Mbps that is causing the choppy playback.
It shouldn't, assuming sufficient hardware. My GH2 clips often get up to over 90 Mb/s and play just fine on an older i7 920.

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Need Help with Oracle Query

CREATE TABLE PMS_EMPLOYEE
EMPLOYEECODE VARCHAR2(15 BYTE) NOT NULL
, NAME VARCHAR2(100 BYTE)
, DEPARTMENTCODE VARCHAR2(10 BYTE)
, CONSTRAINT PK_PMS_EMPLOYEE PRIMARY KEY
, EMPLOYEECODE
ENABLE
LOGGING
TABLESPACE "USERS"
PCTFREE 10
INITRANS 1
STORAGE
INITIAL 3145728
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL DEFAULT
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05611','Khan','01');
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05612','chan','02');
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05613','tina','03');
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05614','bety','04');
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05615','brad','04');
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05616','kuty','03');
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05617','rose','02');
Insert into PMS_EMPLOYEE (EMPLOYEECODE,NAME,DEPARTMENTCODE) values ('05618','jack','01');
CREATE TABLE PMS_DEPARTMENT
DEPARTMENTCODE VARCHAR2(10 BYTE) NOT NULL
, DESCRIPTION VARCHAR2(50 BYTE)
, CONSTRAINT PK_PMS_DEPARTMENT PRIMARY KEY
, DEPARTMENTCODE
ENABLE
LOGGING
TABLESPACE "USERS"
PCTFREE 10
INITRANS 1
STORAGE
INITIAL 65536
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL DEFAULT
Insert into PMS_DEPARTMENT (DEPARTMENTCODE,DESCRIPTIOND) values ('01','HR');
Insert into PMS_DEPARTMENT (DEPARTMENTCODE,DESCRIPTIOND) values ('02','IT');
Insert into PMS_DEPARTMENT (DEPARTMENTCODE,DESCRIPTIOND) values ('03','MA');
Insert into PMS_DEPARTMENT (DEPARTMENTCODE,DESCRIPTIOND) values ('04','FN');
CREATE TABLE TAS_EMPBOOKINGS
EMPLOYEECODE VARCHAR2(10 BYTE) NOT NULL
, TRXTYPE VARCHAR2(2 BYTE)
, TRXDATE DATE
, TRXTIME FLOAT(126)
, CONSTRAINT PK_TAS_EMPBOOKINGS PRIMARY KEY
EMPLOYEECODE
ENABLE
LOGGING
TABLESPACE "USERS"
PCTFREE 10
INITRANS 1
STORAGE
INITIAL 233832448
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL DEFAULT
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05611','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),6.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05611','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),15.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05612','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),7.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05612','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),10.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05612','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),12.36);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05613','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),7.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05613','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),10.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05613','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),12.25);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05613','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),13.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05613','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),13.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05613','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),14.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05614','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),7.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05614','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),10.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05614','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),12.25);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05614','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),13.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05614','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),13.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05614','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),15.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05614','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),15.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05615','IN',to_timestamp('24-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),11.16);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05616','IN',to_timestamp('24-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),10.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05616','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),8.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05617','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),7.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05617','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),12.30);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05617','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),14.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05618','IN',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),7.00);
Insert into TAS_EMPBOOKINGS (EMPLOYEECODE,TRXTYPE,TRXDATE,TRXTIME) values ('05618','OU',to_timestamp('25-JAN-11 00.00.00.000000000',
'DD-MON-RR HH24.MI.SS.FF'),16.30);
I need to count the number of employees inside the office in each department wise.
In case of employee 05611 he is In and out - no count
In case of employee 05612 he is In,out and In - need to count him as he is in at 12.36 still inside the office.
In case of employee 05613 he is In,out,In,out and In - need to count him as he is in at 14.16 still inside the office.
In case of employee 05614 he is In,out,In,out and In - need to count him as he is in at 15.16 still inside the office.
In case of employee 05615 he is In at yesterday but still in the office - need to count him as he is in at 11.16. Query should bring today and previous day
employee who are still inside the office in each department.
In case of employee 05616 he is In and out - in was 24 jan and out at next day so no count.
In case of employee 05617 he is In,out and In - need to count him as he is in at 14.00 still inside the office.
Note: Here they can swipe the card multiple times in or out. we need to find the last swipe in and last swipe out to make them countable and not countable.
In this sample data my output should be like this
Here don't show the Department if the count is 0 (no employee are inside the office) only count greater or equal to 1.
Our output case dept HR will not be shown in output data
Description(that is DepartmentName) InCount
02                         2 ( as both chan and rose are inside the office need to count)
03                         1 ( tina is in and kutty out. need to count tina only )
04                          2 ( as both betty and brad are inside the office need to count then but brad was inside the office from
yesterday not gone out we need to consider him in the count as well)
if the create or insert does not run please correct it and then run.
Thanks

Note the name of this forum is SQL Developer *(Not for general SQL/PLSQL questions)* (so only for issues with the SQL Developer tool). Please post these questions under the dedicated SQL And PL/SQL forum (you've posted there before).
Regards,
K.

I Need Help With My Zen Vision M 30GB Player ASAP

Tonight i had started deleting of my music folders on my creative zen vision m 30gb player and as it was doing that i accidently disconnected the usb cable from the player. After that the player was froze on the docking mode and i hit the reset button with a paper clip. Then after that for some strange reason my computer does not detect my zen vision m player as being connected to the computer. the docked screen appears on my player but the arrows keep spinning and my pc keeps saying found new hardware mtp device and does nothing but repeat that over and over again. I run windows xp pro service pack 2 with windows media player installed. I really need help asap to resolve this issue and have my pc reconize it normal again where i can access my music folders and playlists again.

The core problem is related to Microsoft Windows Media . To resolve the issue, you need to uninstall MWM v from the Add/Remove Programs. Then it will rollback to MWM v9. Unplug the player from the USB port. Reinstall the supplied software from Creative if you need too. Reboot, plug the device into the USB port. Reinstall the device driver for the MP3 player. Reload the latest firmware. The file can be downloaded at
http://support.creative.com/downloads/download.aspx?nDownloadId=03

Need Help with mysql admin for Mac

Hello all.
I am new to cold fusion and databases all together. Infact I
am doing an online tutorial to get me started, my problem is the
tutorial really just scratches the surface for the mac side and in
some cases sorta explains how to do but no visual help and I am
very visual.
I am searching for software that is really idiot proof to
start my knowledge with then make the transition when I learn more
and more to hard coding. The tutorial suggests Navicat for Mysql
admin and it is nice but he is setting up basic databases in Access
which looks really easy and I am trying to follow along with
navicat but I am just not getting it specifically when it comes to
setting up relationships between tables. Can I use a software like
FileMaker Pro and just convert to mysql or is their other software
that makes it a little more easy to understand how to set up
relationships like access does.
I am totally new to this stuff and I am looking for the
easiest product to use. Thanks again for your help and time.
Chris

As for the database part, before you write your first query,
you should become grounded in the concepts of data modeling. Then
find a good source (book, books-on-line, etc. ) for the particular
"flavor" of SQL used by your database of choice, then start writing
your queries. Data model first (entities, relationships,
attributes), then SQL.
Couple of fairly good online tutorials for data modeling.
Introduction
to Data Modeling and
Data Model
Reference
Master this and you will save yourself many hours of grief,
trust me.
Phil

Need help with inserting rows in ResultSet and JTable

hello Guru!
i have inserted a row in my result set and i want that my table shows this row promptly after i have inserted it in my result set...
but when i use following code for my resultset:
rs.moveToInsertRow();
rs.updateInt(1,nr);
rs.updateString(2, name);
rs.insertRow();
Record are inserted in resultset and database but not shown in my JTable??
Anyone a Clue to without reexecuting the query how can i display inserted row in JTable
http://download-west.oracle.com/docs/cd/A87860_01/doc/java.817/a83724/resltse7.h
I have refrered the following links but still clue less help Guruuuuuuu
i m really in trobble??????

i am just near by the Solution using the Database Metadata
by couldn't get the ideaaaa
==================================================
http://download-west.oracle.com/docs/cd/A87860_01/doc/java.817/a83724/resltse7.htm
Seeing Database Changes Made Internally and Externally
This section discusses the ability of a result set to see the following:
its own changes (DELETE, UPDATE, or INSERT operations within the result set), referred to as internal changes
changes made from elsewhere (either from your own transaction outside the result set, or from other committed transactions), referred to as external changes
Near the end of the section is a summary table.
Note:
External changes are referred to as "other's changes" in the Sun Microsystems JDBC 2.0 specification.
Seeing Internal Changes
The ability of an updatable result set to see its own changes depends on both the result set type and the kind of change (UPDATE, DELETE, or INSERT). This is discussed at various points throughout the "Updating Result Sets" section beginning on , and is summarized as follows:
Internal DELETE operations are visible for scrollable result sets (scroll-sensitive or scroll-insensitive), but are not visible for forward-only result sets.
After you delete a row in a scrollable result set, the preceding row becomes the new current row, and subsequent row numbers are updated accordingly.
Internal UPDATE operations are always visible, regardless of the result set type (forward-only, scroll-sensitive, or scroll-insensitive).
Internal INSERT operations are never visible, regardless of the result set type (neither forward-only, scroll-sensitive, nor scroll-insensitive).
An internal change being "visible" essentially means that a subsequent getXXX() call will see the data changed by a preceding updateXXX() call on the same data item.
JDBC 2.0 DatabaseMetaData objects include the following methods to verify this. Each takes a result set type as input (ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_SENSITIVE, or ResultSet.TYPE_SCROLL_INSENSITIVE).
boolean ownDeletesAreVisible(int) throws SQLException
boolean ownUpdatesAreVisible(int) throws SQLException
boolean ownInsertsAreVisible(int) throws SQLException
Note:
When you make an internal change that causes a trigger to execute, the trigger changes are effectively external changes. However, if the trigger affects data in the row you are updating, you will see those changes for any scrollable/updatable result set, because an implicit row refetch occurs after the update.
Seeing External Changes
Only a scroll-sensitive result set can see external changes to the underlying database, and it can only see the changes from external UPDATE operations. Changes from external DELETE or INSERT operations are never visible.
Note:
Any discussion of seeing changes from outside the enclosing transaction presumes the transaction itself has an isolation level setting that allows the changes to be visible.
For implementation details of scroll-sensitive result sets, including exactly how and how soon external updates become visible, see "Oracle Implementation of Scroll-Sensitive Result Sets".
JDBC 2.0 DatabaseMetaData objects include the following methods to verify this. Each takes a result set type as input (ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_SENSITIVE, or ResultSet.TYPE_SCROLL_INSENSITIVE).
boolean othersDeletesAreVisible(int) throws SQLException
boolean othersUpdatesAreVisible(int) throws SQLException
boolean othersInsertsAreVisible(int) throws SQLException
Note:
Explicit use of the refreshRow() method, described in "Refetching Rows", is distinct from this discussion of visibility. For example, even though external updates are "invisible" to a scroll-insensitive result set, you can explicitly refetch rows in a scroll-insensitive/updatable result set and retrieve external changes that have been made. "Visibility" refers only to the fact that the scroll-insensitive/updatable result set would not see such changes automatically and implicitly.
Visibility versus Detection of External Changes
Regarding changes made to the underlying database by external sources, there are two similar but distinct concepts with respect to visibility of the changes from your local result set:
visibility of changes
detection of changes
A change being "visible" means that when you look at a row in the result set, you can see new data values from changes made by external sources to the corresponding row in the database.
A change being "detected", however, means that the result set is aware that this is a new value since the result set was first populated.
With Oracle8i release 8.1.6 and higher, even when an Oracle result set sees new data (as with an external UPDATE in a scroll-sensitive result set), it has no awareness that this data has changed since the result set was populated. Such changes are not "detected".
JDBC 2.0 DatabaseMetaData objects include the following methods to verify this. Each takes a result set type as input (ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_SENSITIVE, or ResultSet.TYPE_SCROLL_INSENSITIVE).
boolean deletesAreDetected(int) throws SQLException
boolean updatesAreDetected(int) throws SQLException
boolean insertsAreDetected(int) throws SQLException
It follows, then, that result set methods specified by JDBC 2.0 to detect changes--rowDeleted(), rowUpdated(), and rowInserted()--will always return false with the 8.1.6 Oracle JDBC drivers. There is no use in calling them.
Summary of Visibility of Internal and External Changes
Table 12-1 summarizes the discussion in the preceding sections regarding whether a result set object in the Oracle JDBC implementation can see changes made internally through the result set itself, and changes made externally to the underlying database from elsewhere in your transaction or from other committed transactions.
Table 12-1 Visibility of Internal and External Changes for Oracle JDBC
Result Set Type Can See Internal DELETE? Can See Internal UPDATE? Can See Internal INSERT? Can See External DELETE? Can See External UPDATE? Can See External INSERT?
forward-only
no
yes
no
no
no
no
scroll-sensitive
yes
yes
no
no
yes
no
scroll-insensitive
yes
yes
no
no
no
no
For implementation details of scroll-sensitive result sets, including exactly how and how soon external updates become visible, see "Oracle Implementation of Scroll-Sensitive Result Sets".
Notes:
Remember that explicit use of the refreshRow() method, described in "Refetching Rows", is distinct from the concept of "visibility" of external changes. This is discussed in "Seeing External Changes".
Remember that even when external changes are "visible", as with UPDATE operations underlying a scroll-sensitive result set, they are not "detected". The result set rowDeleted(), rowUpdated(), and rowInserted() methods always return false. This is further discussed in "Visibility versus Detection of External Changes".
Oracle Implementation of Scroll-Sensitive Result Sets
The Oracle implementation of scroll-sensitive result sets involves the concept of a window, with a window size that is based on the fetch size. The window size affects how often rows are updated in the result set.
Once you establish a current row by moving to a specified row (as described in "Positioning in a Scrollable Result Set"), the window consists of the N rows in the result set starting with that row, where N is the fetch size being used by the result set (see "Fetch Size"). Note that there is no current row, and therefore no window, when a result set is first created. The default position is before the first row, which is not a valid current row.
As you move from row to row, the window remains unchanged as long as the current row stays within that window. However, once you move to a new current row outside the window, you redefine the window to be the N rows starting with the new current row.
Whenever the window is redefined, the N rows in the database corresponding to the rows in the new window are automatically refetched through an implicit call to the refreshRow() method (described in "Refetching Rows"), thereby updating the data throughout the new window.
So external updates are not instantaneously visible in a scroll-sensitive result set; they are only visible after the automatic refetches just described.
For a sample application that demonstrates the functionality of a scroll-sensitive result set, see "Scroll-Sensitive Result Set--ResultSet5.java".
Note:
Because this kind of refetching is not a highly efficient or optimized methodology, there are significant performance concerns. Consider carefully before using scroll-sensitive result sets as currently implemented. There is also a significant tradeoff between sensitivity and performance. The most sensitive result set is one with a fetch size of 1, which would result in the new current row being refetched every time you move between rows. However, this would have a significant impact on the performance of your application.
how can i implement this using
JDBC 2.0 DatabaseMetaData objects include the following methods to verify this. Each takes a result set type as input (ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_SENSITIVE, or ResultSet.TYPE_SCROLL_INSENSITIVE).
boolean deletesAreDetected(int) throws SQLException
boolean updatesAreDetected(int) throws SQLException
boolean insertsAreDetected(int) throws SQLException

Need help with Low disk space issue and blue screen

Hi Everyone, just seen a message stating a low disk space on my Mac pro bought last November and tried plugging in an external hard drive to remove some pictures to free up some space but it seems that the computer did not have enough space left to start up and run the hard drive. I then tried to restart and ended up with a blue screen and have no knowledge now how to fix this problem. I phoned support but they say I have no technical support left but do have warranty and I would need to either try with the community here or take the unit to an apple store for an appointment. The store is an 1 and 1/2 from me and I really want o see if there is another fix that could allow me to start again then remove some files and then add external drive to remove more. I was blown away at the low amount of storage.....looked for the icloud option last night to upload there as i was told about this by a UK client of mine and now see it is not up and running. Any advice or help by the communtiy would be greatly appreciated as this is my business and travelling laptop. Cheers, Dean <")))><

Great to hear Dean, thanks!
Further notes: OSX needs about 15% or 10GB Free space minimum, but will run mucch faster/safer with 30-40% or 50GB of Free Space... Free Space is no longer ours to use.
Another tool to help clear up assorted things is Applejack...
http://www.macupdate.com/info.php/id/15667/applejack
After installing, reboot holding down CMD+s, (+s), then when the DOS like prompt shows, type in...
applejack AUTO
Then let it do all 6 of it's things.
At least it'll eliminate some questions if it doesn't fix it.
The 6 things it does are...
Correct any Disk problems.
Repair Permissions.
Clear out Cache Files.
Repair/check several plist files.
Dump the VM files for a fresh start.
Trash old Log files.
First reboot will be slower, sometimes 2 or 3 restarts will be required for full benefit... my guess is files relying upon other files relying upon other files! :-)
Disconnect the USB cable from any Uninterruptible Power Supply so the system doesn't shut down in the middle of the process.

Need help with ORACLE ADMIN, NETWORKING CONCEPTS and SQL, ASAP!

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