What is union?
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Is sql harder than python?
What is a function in oracle pl sql?
Is it possible to use Transaction control Statements such a ROLLBACK or COMMIT in Database Trigger ? Why ?
Can we use joins in subquery?
What is the default isolation level in sql server? : Transact sql
What do you mean by stored procedures? How do we use it?
what is self-join? : Sql dba
how to select unique records from a table? : Sql dba
What are the disadvantages of file system?
Show code of a cursor for loop.
while loading data into database how can u skip header and footer records in sql*loader
What is the purpose of the primary key?