How does a self join work?
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What is sql trigger example?
What is sql key?
What are types of joins?
Is sql easier than java?
Explain the structure of pl/sql in brief.
When the mutating error will comes? and how it will be resolved?
What are some predefined exceptions in pl/sql?
What is an escape character in sql?
What does pragma mean?
Can a table have two primary keys?
How to process query result in pl/sql?
What are basic techniques of indexing?