Difference between revisions of "INSERT"
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== Excersises == |
== Excersises == |
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# Use the [[sample database]] and insert and populate it with the data from the [[File::/etc/passwd]]. |
# Use the [[sample database]] and insert and populate it with the data from the [[File::/etc/passwd]]. |
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== Addtional Information == |
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* [http://en.wikipedia.org/wiki/Insert_%28SQL%29 Wikipedia on SQL INSERT] |
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* [http://www.w3schools.com/SQL/sql_insert.asp W3Schools on SQL INSERT] |
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* [http://dev.mysql.com/doc/refman/5.0/en/insert.html MySQL 5.0 INSERT documentation] |
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* [http://www.postgresql.org/docs/9.0/static/sql-insert.html PostgreSQL 9.0 INSERT documentation] |
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* [http://www.sqlite.org/lang_insert.html SQLite INSERT documentation] |
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Revision as of 02:49, 19 January 2011
{{#set:Related SQL command=UPDATE |Related SQL command=DELETE |Related SQL command=SELECT }}
INSERT is refers to the SQL command INSERT.
Summary
The INSERT command is used to add or insert data into a table. Syntax may vary between certain types of databases but is generally uniform across multiple vendors.
Syntax
INSERT INTO <table> [ ( <column> [, <column> [, <column>] [, ... ]]] ) ] VALUES ( <value> [, <value> [, <value>, [, ...]]] )
Examples
For example to insert the value "foo" into a column called "bar" into a table with name "baz" do the following:
INSERT INTO baz ( bar ) VALUES( "foo" )
Note: The foo is encased in double quotes this is required for values other than numeric values.
Using the same example as above but use a numeric value of 400 we will not use the qouting.
INSERT INTO baz ( bar ) VALUES( 400 )
Excersises
- Use the sample database and insert and populate it with the data from the [[File::/etc/passwd]].