February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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24.4.2 WHERE Clause
In most cases, it’s necessary to locate rows in a database that satisfy certain selection criteria. Only rows that satisfy the selection criteria (formally called predicates) are selected. SQL uses the optional WHERE clause in a query to specify the selection criteria for the query. The basic form of a query with selection criteria is
SELECT columnName1, columnName2, ... FROM tableName WHERE criteria
For example, to select the Title, EditionNumber and Copyright columns from table Titles for which the Copyright date is greater than 2013, use the query
SELECT Title, EditionNumber, Copyright FROM Titles WHERE Copyright > '2013'
Strings in SQL are delimited by ...
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