What has stored procedures in sql and how we can use it?
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What are conditional predicates?
Difference between views and materialized views?
What is the Diff b/w Constraints and Trigeer
how to retrieve last tree records from table? select *from emp where rownum > (select count(*)-3 from emp); i am using this query to get last three records from table but its not giving any output, so please tell me what is the error in this query.
What are database links used for?
What are the advantages of sql?
how will i became good database developer?
can i use global variables in stored procedure or function
What is difference between a PROCEDURE & FUNCTION ?
How do you get column names only for a table (sql server)?
How does sql*loader handles newline characters in a record? : aql loader
What is pl sql architecture?