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Informatics Practices

Rajveer wants to rename column in display result for his query. Select the appropriate query for the same:

  1. Select Ename, Salary*12 Annual Salary From Emp;
  2. Select Ename, Salary*12 Rename "Annual Salary" From Emp;
  3. Select Ename, Salary*12 Change "Annual Salary" From Emp;
  4. Select Ename, Salary*12 as "Annual Salary" From Emp;

Relational Database

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Answer

Select Ename, Salary*12 as "Annual Salary" From Emp;

Reason — The AS keyword is used to give an alias to a column or expression in the SELECT statement. In this case, AS "Annual Salary" is used to rename the column Salary*12 to "Annual Salary" in the display result.

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