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As you have allready read, it is not implemented, alas, you can not get it to work.
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As you have allready read, it is not implemented, alas, you can not get it to work.

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is there any form of work around? Perhaps a trigger mechanism.
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is there any form of work around? Perhaps a trigger mechanism.

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I've been trying to get the CHECK working in MYSQL and from what I am reading it's not yet been implemented.<br />
<br />
How would I go about getting this to work:<br />
<br />
ALTER TABLE contracts<br />
ADD CONSTRAINT contract_check CHECK (value &gt;500 )<br />

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I've been trying to get the CHECK working in MYSQL and from what I am reading it's not yet been implemented.

How would I go about getting this to work:

ALTER TABLE contracts
ADD CONSTRAINT contract_check CHECK (value >500 )


MYSQL Constraint Check

MySQL is an open source, relational database management system that runs as a server providing multi-user access to a number of databases. Acquired by Oracle in 2009, it is frequently used in combination with PHP installations, powering most of the WordPress installations.

MySQL Server

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.