Why indexing is needed?
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What is record in pl sql?
How many types of tables are there?
what is the difference between truncate and delete statement? : Transact sql
how to create a database in oracle?please gve anser with example
What is schema in sql example?
Is join same as left join?
Why is stored procedure faster than query?
write a query to delete similar records in particular fields(columns) in different tables
What is a Procedure ?
What is the difference between null value, zero, and blank space?
How do you write an inner join query?
What are the types of optimization?