How does a trigger work?
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Why do we use partitions in sql?
Define join and name different types of joins?
Is primary key an index?
What is difference between CHAR and VARCHAR2?What is the maximum SIZE allowed for each type?
What is the use of index in sql?
How do I find duplicates in sql?
What is the Diff b/w Constraints and Trigeer
What are the qualities of 2nf?
What is integrity in sql?
What is an Exception ? What are types of Exception ?
What are the advantages and disadvantages, compared to the standard SQL and SQL*plus ?
State the advatage and disadvantage of Cursor's?