What is a pdo connection?
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What is nosql db?
Define SQL and state the differences between SQL and other conventional programming Languages?
what is the use of set statement in tsql? : Transact sql
how can we optimize or increase the speed of a mysql select query? : Sql dba
How to sort the rows in sql.
How do I start pl sql?
Where the integrity constrints are stored in Data Dictionary?
What are the ways on commenting in a pl/sql code?
What is a call statement? Explain with an example.
What are all the different normalization?
Can unique keys be null?
What is the criteria while applying index to any column on any table.