How Are Surrogate Keys And Metadata Handled In Mysql?

1.	How Are Surrogate Keys And Metadata Handled In Mysql?
Answer» MySQL USES integer data TYPES COMBINED with the property AUTO_INCREMENT to create surrogate keys. This creates a sequence that starts at one (1) and increases by one (2) for each new record. MySql maintain its metadata in a database named mysql. For EXAMPLE, this database maintains TWO tables named user and db. MySQL uses integer data types combined with the property AUTO_INCREMENT to create surrogate keys. This creates a sequence that starts at one (1) and increases by one (2) for each new record. MySql maintain its metadata in a database named mysql. For example, this database maintains two tables named user and db.

Answer»

MySQL USES integer data TYPES COMBINED with the property AUTO_INCREMENT to create surrogate keys. This creates a sequence that starts at one (1) and increases by one (2) for each new record. MySql maintain its metadata in a database named mysql. For EXAMPLE, this database maintains TWO tables named user and db.

MySQL uses integer data types combined with the property AUTO_INCREMENT to create surrogate keys. This creates a sequence that starts at one (1) and increases by one (2) for each new record. MySql maintain its metadata in a database named mysql. For example, this database maintains two tables named user and db.

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