CREATE TABLE `test` ( `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, `val` INT(11)COMMENT 'abcd' CHECK (`val` = 1 OR `val` IS NULL), PRIMARY KEY (`id`) ) ENGINE=INNODB DEFAULT CHARSET=utf8; Select the ...

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Ask the publishers to restore access to 500,000+ books. The Internet Archive keeps the record straight by preserving government websites, news publications, historical documents, and more. If you find ...

Below are the steps to reproduce the issue, Establish an SSL connection through an SSH-tunnel to a server. Using the 'New connection using current settings' establish a 2nd connection to the same ...

SQL Server Management Studio is a tool, provided by Microsoft, to make it easier to manage and handle SQL Server 2017. For this purpose, it offers a graphical environment, that is easy to use, in ...

SQLyog is available in three major versions: Professional, Enterprise and Ultimate. Differences among the three versions primarily lie in the number of included features such as data migration, ...

The most used database system to manage data in a dynamic way and solve real problems is based on the relational model, formed by tables and relations. Due to the latter, one of the most used ...