Help Center/ GaussDB/ Service Overview/ Compatibility with MySQL Databases/ Centralized Instances/ MySQL Compatibility in B-Compatible Mode/ Data Types/ Attributes Supported by Data Types

Updated on 2024-05-14 GMT+08:00

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Attributes Supported by Data Types

**Table 1** Attributes supported by data types
No.	MySQL	GaussDB
1	NULL	Supported
2	NOT NULL	Supported
3	DEFAULT	Supported
4	ON UPDATE	Supported
4	PRIMARY KEY	Supported
5	AUTO_INCREMENT	Supported
6	CHARACTER SET name	Supported
7	COLLATE name	Supported

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