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[mysql] MySQL Foreign Key Error 1005 errno 150 primary key as foreign key
WebSQL Composite Key - A Composite Key is a key that consists of two or more attributes (columns or fields) in a table. It can also be described as a Primary key created on multiple columns.Using the composite key, we can uniquely identify any record in a database table. A combination of these columns guarantees uniquenes WebA PRIMARY KEY can be defined on a column or multiple columns while creating a table or later. It is also possible to drop a PRIMARY KEY in a table if not required. SQL Server … box hill golf club lessons
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