What is the concept of sub-query in terms of sql?
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Explain the term entity set in dbms?
What are stand-alone procedures?
when A set of Dictionary tables are created ?
What are the limitations of rdbms?
What is the rdbms concept in sql?
What is a join in the sql?
What's the difference between 'union' and 'union all' ?
When connection to database is failed, Which exception will be thrown?
For each user who needs access, the DBA creates an account in which database?
What is big data database?
What is the maximum line size that dbms_output can handle?
What's the difference between file and database?
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