Scripts using PL/SQL

Hi all,
I am learning PL/SQL and wants to know whether it is possible to write stored procedures to take DB backup using RMAN.
If yes can any one guide me in refering some documents which gives information and examples for writing such type of procedures.
Thanks
Swadhin

Whatever backup method you'll choose (RMAN or user-managed backups) you'll have to use a bit of OS scripts. Then you can launch these scripts in two ways :
- from OS scheduler, "cron" on Unix, "at" on Windows
- from Oracle scheduler, using DBMS_JOB package. In this case you use PL/SQL, hence Java or C, as said before.
See [url http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96519/toc.htm]Backup and Recovery Concepts, [url http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96566/toc.htm]Recovery Manager User's Guide and [url http://download-west.oracle.com/docs/cd/B10501_01/appdev.920/a96612/d_job.htm#999107]DBMS_JOB package

Similar Messages

Mining Models used in SQL Developer 3.0 and models created PL/SQL scripts

Hi,
Pardon my ignorance if some of my questions are very basic. I am just gaining understanding about building/using mining models.
I installed sql developer and went thru some OBE exercises to build models ( classification models)
While building workflows the exercise required to supply data for the pre built models ( the four models pre-created). The question is - is this exercise is about building models or using models ?
How those pre-built models were created? Are these models are restricted in their usage. or are they generic models that they can be applied for solving similar problems?
What type of models can be used in workflows?
I am also seeing some smaples of pl/sql scripts used in creating some models. Is it correect to assume they are created using PL/SQL APIs ( DBMS_DATA_MINING, DBMS_DATA_MINING_TRANSFORM etc).
What is the differrence between these two model building process ?
Thanks

Hi,
The OBE exercises show you both how to build models and then to apply (Score) new data using the built models.
A model is always built using some form of input data, so it is built specifically with that form of data in mind.
It is not a generic model at all.
When you apply a model you provide data in the same format as the original data.
In the case of a Classification or Regression model, you are applying the model to generate a prediction on new data that conforms with the build data provided to the model.
The online help provides details on all the models that are available.
Data Miner uses the data mining pl/sql packages (package name DBMS_DATA_MINING) to create and test models.
There are also sql data mining prediction functions as well.
Thanks, Mark

Scheduling an sql script using dbms_scheduler

Hi Experts,
I am having an oracle 10g database on windows platform. I have an sql script which has a normal set of sql statements (insertion and updation).
I would like to schedule to run this sql script using dbms_scheduler but I've gone through certain sites and came to know that it's not possible to schedule an sql script using dbms_scheduler. Please let me know how I can schedule this script using dbms_scheduler.

It is possible - in 10g and above you can use DBMS_SCHEDULER to call an external procedure, which in this case could be a call to your SQL file.
Get's a bit more complicated with older versions, but still doable.
But - unless there is a really good reason why you cannot do so, move this into a PL/SQL procedure as suggested.
Carl

To automate the SQL scripts using PLSQL Code

Hi All,
I have 20 database server (11.2.0.3) hosted on unix and Windows platforms.
Every day I have to kill inactive sessions from all the these 20 database servers. So I have made a below script::
connect sys/&&sys_password@&&tns_database_name as sysdba
SPOOL E:\DELETE_INACTIVE_SESSIONS.SQL
set PAGESIZE 1000
set LIN 5000
SET ECHO OFF;
SET FEEDBACK OFF;
SET HEADING OFF;
select 'alter system kill session '||'`'||SID||','||SERIAL#||'`'||' immediate;' from v$session where status='INACTIVE' and username in ('OSS_DICTIONARY','ADMINISTRATOR');
SPOOL OFF;
@@E:\DELETE_INACTIVE_SESSIONS.SQL
Is there any way so that this execution of script can be automated in PLSQL code for 20 servers so and that code could be put in batch file for execution(i.e. can be execute through batch file from my windows laptop).
Thanks

Shrma wrote:
Is there no way to handle the sql scripts in PLSQL code?
Well, remember that PL/SQL is executed on a specific server by a certain user so you are already connected when executing a PL/SQL code.
You could actually use a SQL Plus script to connect to different servers using connect and run your script.
i.e.:
SQL> connect sys/pwd_server1@db_server1
SQL> @killinactive.sql
SQL> connect sys/pwd_server2@db_server2
SQL> @killinactive.sql
But it does not make so much difference with my previous solution.
Please explain exactly what you would like to do.
Regards.
Al

Running sql or perl script using DBMS_JOB

Hi,
Is there a way to run a sql or perl script using DBMS_JOB procedures? I have a perl script which checks out the table usage and emails the report to specific users. I want to run this script in a job scheduler, where I am using dbms_job to add the job. Please help. Any suggestions are greatly appreciated. Thanks.
-Kristine

You cannot run sql or perl scrips using DBMS_JOBS. You can run only Oracle procedures, functions, packages with DBMS_JOBS. They have to be stored in the database. You will have to create a Pro*C program that is listening on the pipe and push data to that pipe by using dbms_pipe. Then you can execute anything you want.

Unable to generate insert stmt scripts using sql developer

We are not able to generate INSERT statement script using SQL Developer. In the INSERT script system is inserting some spaces due to carriage return which we cannot reviewed individually.

DELETE FROM IM_INSTANCE_EXT_VAL_FRM
WHERE IEVF_TRG_FLD_NAME = 'PRAI_NUM_03'
AND IEVF_INST_CODE = 'APV-QQ-03'
AND IEVF_BLK_NAME = 'PGIT_POL_RISK_ADDL_INFO_01';
-- INSERTING into IM_INSTANCE_EXT_VAL_FRM
Insert into IM_INSTANCE_EXT_VAL_FRM (IEVF_SYS_ID,IEVF_INST_CODE,IEVF_PROG_CODE,IEVF_BLK_NAME,IEVF_TRG_FLD_NAME,IEVF_ACT_FLDS,IEVF_ACTION,IEVF_PROC,IEVF_SRNO,IEVF_ERR_NO,IEVF_ERR_YN,IEVF_APP_CODE,IEVF_REMARKS,IEVF_UPD_UID,IEVF_UPD_DT,IEVF_CR_UID,IEVF_CR_DT,IEVF_TRG_NAME,IEVF_CLEAR_FLD_YN,IEVF_VALIDATE_YN) values (IEVF_SYS_ID.NEXTVAL,'APV-QQ-03','PGIT6_03','PGIT_POL_RISK_ADDL_INFO_01','PRAI_NUM_03','PRAI_DATA_15,','ENABLED','VFB_EV_GEN.EXT_VAL_DISABLE_PHY_DAMAGE(:PGIT_POL_RISK_ADDL_INFO_01.PRAI_POL_SYS_ID,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_END_NO_IDX,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_END_SR_NO,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_LVL1_SYS_ID,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_CODE_02,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_03,:P_FLAG_OUT)',1,null,'N','01','VALIADTION',null,null,'PREMIA',
to_date('19-SEP-07','DD-MON-RR'),'WHEN-VALIDATE-ITEM','0','1');
Insert into IM_INSTANCE_EXT_VAL_FRM (IEVF_SYS_ID,IEVF_INST_CODE,IEVF_PROG_CODE,IEVF_BLK_NAME,IEVF_TRG_FLD_NAME,IEVF_ACT_FLDS,IEVF_ACTION,IEVF_PROC,IEVF_SRNO,IEVF_ERR_NO,IEVF_ERR_YN,IEVF_APP_CODE,IEVF_REMARKS,IEVF_UPD_UID,IEVF_UPD_DT,IEVF_CR_UID,IEVF_CR_DT,IEVF_TRG_NAME,IEVF_CLEAR_FLD_YN,IEVF_VALIDATE_YN) values (IEVF_SYS_ID.NEXTVAL,'APV-QQ-03','PGIT6_03','PGIT_POL_RISK_ADDL_INFO_01','PRAI_NUM_03',null,'VALIDATE','VFB_EV_GEN.EXT_VAL_VEHICLE_AGE(:PGIT_POL_RISK_ADDL_INFO_01.PRAI_POL_SYS_ID, :PGIT_POL_RISK_ADDL_INFO_01.PRAI_PSEC_SYS_ID,
''APV'',
''APV'',
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_03,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_07,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_08,
:P_FLAG_OUT,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_35_OUT) ',3,null,'N','01','VALIADTION',null,null,'PREMIA',to_date('19-SEP-07','DD-MON-RR'),'WHEN-VALIDATE-ITEM','1','1');
Insert into IM_INSTANCE_EXT_VAL_FRM (IEVF_SYS_ID,IEVF_INST_CODE,IEVF_PROG_CODE,IEVF_BLK_NAME,IEVF_TRG_FLD_NAME,IEVF_ACT_FLDS,IEVF_ACTION,IEVF_PROC,IEVF_SRNO,IEVF_ERR_NO,IEVF_ERR_YN,IEVF_APP_CODE,IEVF_REMARKS,IEVF_UPD_UID,IEVF_UPD_DT,IEVF_CR_UID,IEVF_CR_DT,IEVF_TRG_NAME,IEVF_CLEAR_FLD_YN,IEVF_VALIDATE_YN) values (IEVF_SYS_ID.NEXTVAL,'APV-QQ-03','PGIT6_03','PGIT_POL_RISK_ADDL_INFO_01','PRAI_NUM_03','PRAI_DATA_15,','DEFAULT','VFB_EV_GEN.DEFAULT_PHYSICAL_DAMAGE_SYMBOL(:PGIT_POL_RISK_ADDL_INFO_01.PRAI_POL_SYS_ID,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_PROD_CODE,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_PSEC_SYS_ID,
''APV'',
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_03,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_07,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_CODE_03,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_CODE_02,
:P_FLAG_OUT,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_DATA_15_OUT)',2,null,'N','01','DEFAULT',null,null,'PREMIA',to_date('30-AUG-07','DD-MON-RR'),'WHEN-VALIDATE-ITEM','0','1');
Insert into IM_INSTANCE_EXT_VAL_FRM (IEVF_SYS_ID,IEVF_INST_CODE,IEVF_PROG_CODE,IEVF_BLK_NAME,IEVF_TRG_FLD_NAME,IEVF_ACT_FLDS,IEVF_ACTION,IEVF_PROC,IEVF_SRNO,IEVF_ERR_NO,IEVF_ERR_YN,IEVF_APP_CODE,IEVF_REMARKS,IEVF_UPD_UID,IEVF_UPD_DT,IEVF_CR_UID,IEVF_CR_DT,IEVF_TRG_NAME,IEVF_CLEAR_FLD_YN,IEVF_VALIDATE_YN) values (IEVF_SYS_ID.NEXTVAL,'APV-QQ-03','PGIT6_03','PGIT_POL_RISK_ADDL_INFO_01','PRAI_NUM_03',null,'VALIDATE','VFB_EV_GEN.EXT_VAL_PHY_DAMAGE(:PGIT_POL_RISK_ADDL_INFO_01.PRAI_POL_SYS_ID,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_END_NO_IDX,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_END_SR_NO,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_LVL1_SYS_ID,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_CODE_02,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_NUM_03,
:P_FLAG_OUT,
:PGIT_POL_RISK_ADDL_INFO_01.PRAI_DATA_15_OUT)',9,null,'N','01','VALIADTION',null,null,'PREMIA',
to_date('19-SEP-07','DD-MON-RR'),'WHEN-VALIDATE-ITEM','1','1');
script which is taken from Sql Developer and got error while running in SQL* PLUS
Following error was raised on running the script in SQL * PLUS
5 rows deleted.
1 row created.
1 row created.
1 row created.
SP2-0734: unknown command beginning ":P_FLAG_OU..." - rest of line ignored.
SP2-0734: unknown command beginning ":PGIT_POL_..." - rest of line ignored.
SP2-0734: unknown command beginning "to_date('1..." - rest of line ignored.

How to execute SQL Script using windows powershell(using invoke-sqlcmd or any if)

OS : Windows server 2008
SQL Server : SQL Server 2012
Script: Test.sql (T-SQL) example : "select name from sys.databases"
Batch script: windows MyBatchscript.bat ( here connects to sql server using sqlcmd and output c:\Testput.txt)
(sqlcmd.exe -S DBserverName -U username -P p@ssword -i C:\test.sql -o "c:\Testoutput.txt) ---it working without any issues.....
This can execute if i double click MyBatchscript.bat file and can see the output in c:\testput.txt.
Powershell: Similarly, How can i do in powershell 2.0 or higher versions? can any one give full details with each step?
I found some of them online, but nowhere seen clear details or examples and it not executing through cmd line (or batch script).
example: invoke-sqlcmd -Servernameinstance Servername -inputfile "c:\test.sql" | out-File -filepath "c:\psOutput.txt" --(call this file name MyTest.ps1)
(The above script working if i run manually. I want to run automatic like double click (or schedule with 3rd party tool/scheduler ) in Batch file and see the output in C drive(c:\psOutput.txt))
Can anyone Powershell experts give/suggest full details/steps for this. How to proceed? Is there any configurations required to run automatic?
Thanks in advance.

Testeted the following code and it's working.....thanks all.
Execute sql script using invoke-sqlcmd with batch script and without batch script.
Option1: using Import sqlps
1.Save sql script as "C:\scripts\Test.sql" script in side Test.sql: select name from sys.databases
2.Save Batch script as "C:\scripts\MyTest.bat" Script inside Batch script:
powershell.exe C:\scripts\mypowershell.ps1
3.Save powershell script as "C:\scripts\mypowershell.ps1"
import-module "sqlps" -DisableNameChecking
invoke-sqlcmd -Servername ServerName -inputFile "C:\scripts\Test.sql" | out-File -filepath "C:\scripts\TestOutput.txt"
4.Run the Batch script commandline or double click then can able to see the output "C:\scripts\TestOutput.txt" file.
5.Connect to current scripts location cd C:\scripts (enter)
C:\scripts\dir (enter )
C:\scripts\MyTest.bat (enter)
Note: can able to see the output in "C:\scripts" location as file name "TestOutput.txt".
Option2: Otherway, import sqlps and execution
1.Save sql script as "C:\scripts\Test.sql" script in side Test.sql: select name from sys.databases
2.Save powershell script as "C:\scripts\mypowershell.ps1"
# import-module "sqlps" -DisableNameChecking #...Here it not required.
invoke-sqlcmd -Servername ServerName -inputFile "C:\scripts\Test.sql" | out-File -filepath "C:\scripts\TestOutput.txt"
3.Connect to current scripts location
cd C:\scripts (enter)
C:\scripts\dir (enter )
C:\scripts\powershell.exe sqlps C:\scripts\mypowershell.ps1 (enter)
Note: can able to see the output in "C:\scripts" location as file name "TestOutput.txt".

Run multiple sql scripts using osql

We have 2 databases which should be installed on each and every sql server.
STEPS DONE
1. scripted out these two DB'S as    ex:    db1.sql     db2.sql
2.Scripted lookup tables in these DB's into two scripts        ex:   lookup1.sql   lookup2.sql
3.scripted permissions of service accounts in two databases as     ex: perm1.sql    perm2.sql
In order to run all these scripts in sequence I am planning to use an batch file which executes all these scripts in sequence and also we know the database creation script db.sql looks for the same path for DATA and LOG file locations as it is in the script. Is
that possible to use parameters to allow dba to set location paths while running batch file?
The sequence should be as
db1.sql
lookup1.sql
perm1.sql
db2.sql
lookup2.sq
perm2.sql

Setup a ControlParms table. Let the DBA configure the values in the table.
Change the .sql scripts to read the ControlParms table for path or other configuration value.
Dynamic SQL: http://www.sqlusa.com/bestpractices/dynamicsql/
Kalman Toth Database & OLAP Architect
SQL Server 2014 Design & Programming
New Book / Kindle: Exam 70-461 Bootcamp: Querying Microsoft SQL Server 2012

How to Export data from a Table to Excel using PL/SQL Code

Hi,
I need to export data from a table to the excel sheet using PL/SQL script.
could you pls provide with custom codes or sample procedures.
Bobby

http://asktom.oracle.com/pls/ask/f?p=4950:8:7947129213057862756::NO::F4950_P8_DISPLAYID,F4950_P8_CRITERIA:728625409049

How to upload files from a form using pl/sql ?

Hi
Is it possible to upload the physical files outside the database (under UNIX server)using pl/sql? I already know how to store the files inside the database(wwwdoc_documents$) but I didn't find any documentation about storing the physical files outside the database.
I have in my form the following component:
<input type="file" name="upload">
and I want to let the user browse for the file on his/her disc that he want to use. What I want to do next is to save a copy of that file on our file-server, and then use it in my application. How do I do that in pl/sql?
Any help will be appreciated.
Sebas.

Thanks for the suggestion. I like this approach as Java is more familiar to me than other languages.
Our DBA is out of touch today, so I could not grant the javauserpriv to my database user. I tried to run the script anyway in the chance that my user had the privs, and it seemed to have hung. I am now combing Oracle's site for more documentation so I can write some tests to see if I can get a basic Java object working. Under what heading would I find this?
ajt

Executing a script using full path in ODT 11.1.0.5.10 beta?

Using a query window from ODT 10x, I used to be able to run a script using '@' and the path to the script. For example: '@D:\Documents\CAL.MB\Oracle\Create Scripts\Applicant\APPLICANT_TB.sql'.
Now I get the following error:
Command '@D:\Documents\CAL.MB\Oracle\Create Scripts\Applicant\APPLICANT_TB.sql' is not supported in query window.
I checked the documentation, but I couldn't find an alternative way to do this. Anyone know of any alternatives?

Use VS.NET Tools menu->Run SQL*Plus Script->Specify the full path of your filename ->Select the connection->Hit the ok button.

INSERT Script stored as "SQL Statement Script" not firing on Oracle Alert

We are using Alert Manager to run Alerts based on absence information in EBS R12.1.3 HR tables.
Application: Human Resources
Period/Event: Periodic
Frequency: Every Day
The Alert has 2 actions.
One is to email a supervisor based on the Alert SQL finding staff who have had x number of absences over a set period of time.
That is working fine.
The other action is defined as an "SQL Statement Script".
The SQL script inserts the variables defined in the SQL from the main Alert definition SQL, into a custom table.
When the Alert fires, we are getting the email generated, but the INSERT statement isn't firing.
However, when we look at the result of the Alert when it has run, and look at the steps which were fired, we can see the email step and the SQL step. When we look at the SQL in the SQL step which was generated, we can copy and paste it direct into TOAD and it works fine.
We have tried a simple SQL INSERT statement which even just does:
INSERT INTO xx_tmp (VALUE1_DATE, VALUE2) VALUES (SYSDATE, 'this');
But even that does not work.
We wonder if the issue is that we cannot do a direct INSERT from an alert type of "SQL Statement Script"?
We have found another Alert which does a direct UPDATE on a table, but the SQL Statement Script definition has "Purchasing" as the Application, because it's updating a PO table.
In our case, we're trying to insert into a custom table held in our in-house XX schema.
Could the problem be that we don't have the "Application" set? If that's the case, we don't have a corresponding application anyway.
Or can we not do a direct INSERT like this - do we need to use a package instead, and call that?
Any advice much appreciated.
Thanks

Hi Brian,
Alert issue - Custom SQL fix
1. Define actions via "Actions" button on Alert Definition
2. Create an action for e.g. "Send Message to Supervisor"
   Action type: message
   Action - sends email to people
3. Create another action called e.g. "Insert Record"
   Action type: SQL Statement Script
   Fill in SQL in the "Text" section, no need to add a begin or end bit, just a simple INSERT INTO X etc ending with a semi colon
4. Back on the main alert definition window, go to "Action Sets" button
   Here, need one SEQ for the Message / Email (e.g. Seq 1), and then click on "Action Set Details" and click on "Members" tab and select the "Send Message to Supervisor" Action
   Then close the "Action Set Details" window, and return to the "Action Sets" window
   click into 2nd line, add e.g. Seq 2, and call it e.g. "Insert Record", click on "Action Set Details" > Members tab and select the "Insert Record" The problem was that in the first instance, we had a single Action Set, and under "Members" had selected the "Send Message to Supervisor" and "Insert Record" at the same time.
Short answer: each Action needs to be defined as a separate line in the Action Sets definition.
I can send screenshots if you need them, and don't mind putting your email address on this forum.
You can always edit the thread after I've emailed you, to remove your email address.

Issues using Oracle SQL server Developer migration work bench

Hi all,
We are trying to migrate the application databases from SQL server 2000 to Oracle 10g using Oracle SQL Developer 1.2.1.32.13:
Following is the list of issues that we faced while trying out this migration on dev environment.
1. The data migration was successful for only around 90 tables out of the total 166 tables present. No error message was logged for the rest of the tables but still it was completed.
2. Some of the tables which had got the data inserted did not have the full data. Only some of the rows were inserted for these tables. Error message was logged only for few of the rows and not all.
3. Few error messages were logged which said problems about “Inserting ' ' into column <tablename>.<columnname>”. There was no such constraint in the target database that the particular column can not be null or can not have only a space. Please check the logs for the same error messages.
4. The status box at the end of migration had shown only 3 errors.
5. The total data for migration was around 500MB. The time taken for migration was around 75 minutes. Are there any optimization techniques that will improve the performance?
Please note that there were no Foreign Key references for the source schema or target schema.
Any pointers/info/resolutions related to above mentioned issues will be much useful for us.
Thanks,

Hi Adam,
There are 2 sets of scripts created for you.
1) For SQL Servers BCP to dump out the data to dat files
2) For Oracles SQL*Loader to load the dat files
You run the SQL Server BCP scripts on the machine with SQL Server.
The dat files will be dumped out on that server.
You can then move the dat files to your Oracle server.
Then run the Oracle SQL*Loader scripts to load the dat files into Oracle.
Give it a go and follow the doc and viewlets.
Your Questions:
So the datadump from the source location would be saved on my local disk?it will be saved on the same machine you run the bcp scripts from. Usually the same machine SQL Server is on, because you require SQL Server BCP tool.
So once it is migrated to the destination database will that dump be created automatically? Or do I need to modify the script to take care of this?I dont know what you mean by this, hopefully above clears things up.
The only modifications you need to make to the scripts are adding in the databasename username password servername. These are outlined in the scripts themselves. I would want to do something fancy like dump the dat files to a different directory, then you can modify the scripts, but you should understand what they do first.
Most people would have 500MB of space on their discs , so I can see the problem creating these dat files . The same goes for your 30 GB database.
I hope this helps, but as always you wont get a good idea of how it works until you give it a go.
Regards,
Dermot.

Copying SQL Script from Oracle SQL Developer into Excel with formatting

I need to copy a SQL Script into Excel in order to develop some VBA code. Is there any nice way that I can copy SQL Script from Oracle SQL Developer into Excel and retain its formatting? I am a stickler for having legible, readable SQL and like to have all my columns lined up and aliases lined up. When we used to use SQL Navigator, the tab formatting seemed to copy and paste just fine. Now that we have migrated to Oracle SQL Developer, the formatting seems to get all messed up.
And suggestions are greatly appreciated and Thanks in advance for your review and am hopeful for an answer.
Thanks.
PSULionRP

I suppose you want a real tabulator instead of spaces. You can configure this in the preferences (SQL Formatter - Oracle). You have to apply it then to your existing code (e.g. CTRL-F7), but new code should get it right from the start.
Hope that helps,
K.

Write / store xml data in Xe and retrieve stored data using pl/sql

Hi to all,
i'm searching a tutorial on:
A - how to write / store xml data in Xe and retrieve stored data using pl/sql
I don't want to use other technologies, because i use htmldb and my best practice is with pl/sql.
I was reading an ebook (quite old maybe) however it's about oracle 9 and it's talking about xmltype:
1 - I don't understand if this is a user type (clob/varchar) or it's integrated in Oracle 9 however i will read it (it's chapter 3 titled Using Oracle xmldb).
Please dont'reply here: i would be glad if someone can suggest me a good tutorial / pdf to achieve task A in Oracle XE.
Thanx

Thank you very much Carl,
However my fault is that i've not tried to create the table via sql plus.
Infact i was wrong thinking that oracle sql developer allows me to create an xmltype column via the create table tool.
however with a ddl script like the following the table was created successfully.
create table example1
keyvalue varchar2(10) primary key,
xmlcolumn xmltype
Thank you very much for your link.
Message was edited by:
Marcello Nocito

Scripts using PL/SQL

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