What is nosql db?
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Which data type doesn't allow null data type?
Can we use distinct and group by together?
what is collation? : Sql dba
What is integrity constraints?
Why do we use view in sql?
What is rowtype?
What does the hierarchical profiler does?
difference between oracle 8i and oracle 9i
consider a table which contain 4 columns,ename,eno,sal and deptno, from this table i want to know ename who having maximum salary in deptno 10 and 20.
Why join is faster than subquery?
What is the fastest way of accessing a row in a table?
What is a left inner join?