Expressions

GaussDB is compatible with most MySQL expressions, but there are some differences. If not listed, the expression behavior is the native GaussDB behavior by default.

**Table 1** Expressions
No.	MySQL	GaussDB
1	User-defined variable @var_name	Partially supported
2	Global variable @@var_name	Partially supported

Parent topic: MySQL Compatibility in B-Compatible Mode

Previous topic: Collation Rules

Next topic: SQL

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