What is the usage of nvl function?
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Is it possible to create the following trigger: before or after update trigger for each row?
Cite the differences between execution of triggers and stored procedures?
How to call DDL statements from pl/sql?
What is posting?
What are synonyms in sql?
How do I run a sql trace?
What is difference between inner join and cross join?
how instead of triger is helpful for mutating tables errors handlling ?
Can a varchar be a primary key?
How collections are improve the performance?
Can we use insert statement in function?
When to use inner join and left join?