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Home » Sql » Tutorials » SQL SELECT Statement
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SQL SELECT Statement

By Dinesh Thakur

A select statement is used to select information from one or more tables. SQL statements can be on one or more lines. SQL is not case sensitive. SELECT is the same as select. SQL SELECT Syntax.

SELECT column_name(s) FROM table_name OR SELECT * FROM table_name 

If all columns of a table should be selected, the asterisk symbol * can be used to denote all attributes. The query retrieves all tuples with all columns from the table EMP. To illustrate the usage of the SELECT command we are going to use the EMP table:

If the User is interested to finds the specified columns from a table are specified by keyword Select. SELECT identifies what columns. This operation is also called projection. The SQL statement below shows a simple usage of the SQL SELECT command with columns:

SELECT ENAME, SAL, EMPNO FROM EMP;

ENAME SALEMPNO
SMITH8007369
ADAMS11007876
JAMES9507900
MILLER13007934
ALLEN16007499
WARD12507521
MARTIN12507654
TURNER15007844
JONES29757566
BLAKE28507698
CLERK24507782
SCOTT30007788
FORD30007902
KING50007839

The SQL query starts with the SELECT keyword followed by a number of columns. This number of Columns specifies which columns you want to retrieve from your table. The list of columns is followed by the SQL keyword FROM and the table name (the table we are selecting data from).

Instead of an attribute name, the select clause may also contain arithmetic expressions involving arithmetic operators etc. For Example

SELECT 2+2 FROM DUAL; 

 

You’ll also like:

  1. SQL SELECT INTO Statement
  2. SQL SELECT DISTINCT Statement
  3. SQL DELETE Statement
  4. SQL GROUP BY Statement
  5. SQL INSERT INTO Statement
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About Dinesh Thakur
Dinesh ThakurDinesh Thakur holds an B.C.A, MCDBA, MCSD certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps.

Dinesh Thakur is a Freelance Writer who helps different clients from all over the globe. Dinesh has written over 500+ blogs, 30+ eBooks, and 10000+ Posts for all types of clients.


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