Does varchar need length?
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How do you add a column to a table?
What are the parts of a basic sql query?
why should required nested tables, Object types, partition tables and varying arrays. what is the difference between these are all. give me example with explanation.
What is a left inner join?
Explain scalar functions in sql?
How do you determine the current isolation level? : Transact sql
How many types of index are there?
How many types of primary keys are there?
How to run sql commands in sql*plus?
What do you understand by exception handling in pl/sql?
How can triggers be used for the table auditing?
Explain what is rdbms?
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