What are predefined functions in sql?
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Can function return multiple values in sql?
What is trigger with example?
What is cte sql?
How does join work in sql?
how will you find out the last three records in a table with n no of records and delete them
What is cross join sql?
How many primary keys can a table have?
how to saw triggers output in pl/sql database?
Types of cursor locks and explanation each of them ?
Is there a pl/sql pragma similar to deterministic, but for the scope of one single sql select?
What is a temp table?
How does postgresql compare to "nosql"?
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