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SQL - Alias Syntax - Tutorialspoint
You can rename a table or a column temporarily by giving another name known as Alias. The use of table aliases is to rename a table in a specific SQL statement. The renaming is a temporary change and the actual table name does not change in the database. The column aliases are used to rename a table's columns for the purpose of a particular SQL query.
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SQL Alias | How to use SQL Alias for Columns and Tables
Sep 30, 2020 · SQL Alias is the alternative name that can be assigned to any of the objects inside the SQL query statement that includes the names of the tables and columns that help in accessing and referring those objects with an alternative and small word that is an alias which makes it easy for specifying. We have to careful while using aliases only about …
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What is a SQL alias and why use one? - Summit 7
Jan 13, 2014 · A SQL alias is an alternative name given to a SQL server that is more familiar to the user. It is like a nickname for a person, except it is for a server. Sometimes server names can be complex and hard to remember, this is where an alias would come in handy.
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Alias (SQL) - Wikipedia
An alias is a feature of SQL that is supported by most, if not all, relational database management systems (RDBMSs). Aliases provide database administrators , as well as other database users, with the ability to reduce the amount of code required for a query, and to make queries simpler to understand.
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Create or delete a server alias for use by a client - SQL
Jul 14, 2021 · This topic describes how to create or delete a server alias in SQL Server by using SQL Server Configuration Manager. An alias is an alternate name that can be used to make a connection. The alias encapsulates the required elements of a connection string, and exposes them with a name chosen by the user. Aliases can be used with any client application.
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mysql - How to use aliases in math operators in SQL
Feb 28, 2016 · You can't use aliases at the same level they are defined -- you need to put the alias definition in a subquery. But, you don't need aliases, because SQL has the AVG() function:. SELECT users.username AS player_name, COUNT(*) AS total_games, SUM(games.points) AS total_points, AVG(games.points) AS average_points FROM games …
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What is Oracle alias?
Oracle / PLSQL: ALIASES. This Oracle tutorial explains how to use Oracle ALIASES (temporary names for columns or tables) with syntax and examples. Oracle ALIASES can be used to create a temporary name for columns or tables. COLUMN ALIASES are used to make column headings in your result set easier to read.
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