An Alias is a name given to any table or column temporarily. This can be done for a query or stored procedure. The renaming is a temporary change and the actual table name does not change in the database.

SYNTAX: Table Alias​

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SYNTAX: Column Alias

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Where,

  • Alias_name: keyword used to give a temporary name to a table/column

 
 

EXAMPLE

Let us consider a demo database with table name Persons & Salaries

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Figure 31.1.SELECT * FROM PERSONS;

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Figure 31.2. SELECT * FROM SALARY;

TABLE ALIAS:

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Figure 31.3. TABLE ALIAS;

COLUMN ALIAS:

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Figure 31.4. COLUMN ALIAS

 
 

PRACTICE YOURSELF

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Want More SQL Deep Dives

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  29. SQL - Aggregate Functions

  30. SQL - Introductions to Joins

  31. Table Alias

  32. SQL - Inner Join

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