How do I use alias in SQL Select statement?

How do I use alias in SQL Select statement?

Alias Facts

1. An alias only temporary renames the column or table name, it lasts for the duration of select query. The changes to the names are not permanent.
2. This technique of creating alias is generally used by DBA (Database Administrators) or Database users.
3. The temporary table name is also called correlation name.

What is the benefit of using an alias in MySQL?

Aliases in MySQL is used to give a temporary name to a table or a column in a table for the purpose of a particular query. It works as a nickname for expressing the tables or column names. It makes the query short and neat. It is very useful when the table or column name is not user-friendly in real-time.

How do I create an alias in SQL?

To create an alias In SQL Server Configuration Manager, expand SQL Server Native Client Configuration, right-click Aliases, and then select New Alias. In the Alias Name box, type the name of the alias. Client applications use this name when they connect. In the Server box, type the name or IP address of a server.

What is an alias example?

The definition of an alias is a name different than a person’s birth name. An example of an alias is when a person goes into the Witness Protection Program, and they have to assume a new identity with a new name so no one can find them. Johnson, alias Johns.

What is a SQL alias and why use one?

a temporary name.

Demo Database. In this tutorial we will use the well-known Northwind sample database.

one for the CustomerName column and one for the ContactName column.

Alias for Tables Example.

How do you create SQL alias?

Windows ships with the SQL Server Client Network Utility. This is all what you need to create an alias. Click run and type cliconfg.exe and you will get the utility. Enable a protocol – e.g. TCP/IP. Click on the Alias tab and click on Add…. Add an alias as the below figure depicts.

What is the use of Alias in SQLServer?

Description. SQL Server (Transact-SQL) ALIASES can be used to create a temporary name for columns or tables.

Syntax. The original name of the column that you wish to alias.

name in quotes.

Example – ALIAS a column.

Example – ALIAS a Table.

What is column alias in SQL?

SQL Column Alias. An SQL column alias is a name that you can give to a column in a query. One of the most common ways to use it is in a SELECT query.