Explain what is a subquery ?
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Can u create a primary key with out unique index.
Explain the types of joins in sql?
What is trigger in sql?
Is drop table faster than truncate?
What is break?
What is recursive join in sql?
if a table is getting updated what happens if a function is called from sql query?
What is the difference between unique and primary key constraints?
Can we have exception part in trigger ?
What are the properties of a transaction?
Can we use distinct and group by together?
What is the difference between join and natural join?
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