Encyclopedia > W > Where (SQL)
Where (SQL)
A WHERE statement in SQL specifies that a SQL command should only be run on rows that meet a specified condition. WHERE statements are not typically required, but should be used if you only want a certain portion of your data to be affected by your SQL Statement.
Information are taken from Wikipedia, the open encyclopedia, to which contribute many volunteers from around the whole world. Texts are available under the following conditions GNU Free Documentation License.
Encyklopedie (cz) Encyklopédia (sk) Enzyklopädie (de)