Referential integrity is usually implemented through the use of foreign keys. In previous versions the popular open-source RDBMS MySQL did not support foreign keys. However, given the high volume of user interest in this feature, later versions of MySQL implemented support for foreign keys through the InnoDB table engine. Consequently, maintaining referential integrity within the tables that make up a database is significantly simpler.
These are the following criteria to form a table with foriegn keys
1. Both tables must be of [...]
Categories: PHP
Oracle and MySQL are the favorite databases of developers who use the Eclipse open source programmers workbench. That’s no surprise, I thought. Developers like to develop in free MySQL and deploy in Oracle, right? Actually, Oracle and MySQL are their two favorite deployment databases, contrary to what I would have expected.
Not only are Eclipse users deploying both MySQL and Oracle, they’re deploying the two equally, while I would have given an advantage to Oracle.
Instead, the edge goes to MySQL. The [...]
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