Explain what is a subquery ?
how to achieve this problem?i am having table with two colums like empno,gender. in gender column, i am having records male,female like that .my final output will be male female 5 6
What is the use of index in hive?
What is an exception in PL/SQL? What are the two types of exceptions?
what is a constraint? : Sql dba
What company owns postgresql?
How to select random rows from a table?
What are sql built in functions?
What is the current version of sql?
Does sql between include endpoints?
Write a query to find second highest salary of an employee.
How to maintain the history of code changes of pl/sql?
how to insert the records in particular position