Procedural Language/Structured Query Language is Oracle Corporation's procedural language extension for SQL. Questions about PL/SQL should probably be tagged "oracle" as well.

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Where to start with Oracle?

This question only needs one answer: a list of great resources for getting started with Oracle, including Database Administration, PL/SQL and SQL. You may find your question has been closed as a ...
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How to display '0' where no data found in PL/SQL Oracle Reports

I have an Oracle Report (11g) in which I have selected a number field containing amount and have mentioned the format mask as 999,999,999,999. The data is displayed as follows. Data1 ...
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1answer
135 views

how to write pl/sql named programme for this [closed]

I have a table M_PARAMETER which has a column MMRUN. When this MMRUN='Y' then the User can not modify any transaction in the app's front end. When MMRUN='N' then the User can do the modification. ...
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3answers
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How to differentiate between SQL and PL/SQL?

I know the question might sound too stupid, but I never understood this part. SQL*Plus works with both SQL and PL/SQL. How do I know whether some code is SQL or PL/SQL? If my code has a for ...
8
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3answers
1k views

How can I ensure that only one copy of a procedure is running in Oracle?

We have the need to ensure that only one copy of a particular procedure is running in Oracle. If it is already running and a user tries to open another, then it should error. Whats the best method ...
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0answers
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Transform XPath map into XML document using relational data

Background Most modern databases have XML functions that can be used to extract data in an XML format. I want to avoid the task of manually calling XML functions to extract the data. This problem ...
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3answers
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Allowing users to compile / run PLSQL and SQL

As a DBA - assuming my users are knowledgeable with PLSQL and SQL - why would I not grant my users privileges to compile and run their own PLSQL code. We have an MI database environment where the data ...
5
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2answers
552 views

Oracle Advanced Queuing LIFO

With Oracle's Advanced Queuing is there a way to dequeue messages in a LIFO (last in first out) order? There is an indication through a lack of information that this is not an option, but perhaps ...
3
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1answer
718 views

How to separate out individual sql statements from Oracle SQL script for execution from java code

I have Oracle DB 11g Enterprise Edition and I want to execute sql script from my java code. I am reading this sql script from a .sql file and the script contains statements such as create table, ...
3
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1answer
499 views

What is an Effective Way to Count the Number of Pages in Oracle?

We've implemented paging in our PL/SQL procedures by building a dynamic SQL query and then selection only a portion of results. We build implement paging by putting the original query inside a ...
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1answer
227 views

Pl/SQL web application

I have a PL/SQL web application,got the entire DB dump from remote DB. Its very old application, running on oracle 9i. I basically want to get the application up and running on my laptop,but i am not ...
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1answer
175 views

Slow join behaviour with 'or' in predicate

I'm faced with a situation which I can't understand and overcome. In short we have left-join query like: select from a left join b on a.key1=b.key1 or a.key1=b.key2 This works VERY slowly, while ...
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1answer
725 views

ORA-01427:single-row subquery returns more than one row

I wrote in PL/SQL Developer: select * from lc_history2 and I got that error: ORA-01427: single-row subquery returns more than one row Can someone help? It's necessary.
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2answers
239 views

Example optimisic offline lock in SQL/PL?

Can someone show me an example of an optimistic offline lock in an Oracle Stored Procedure?