Help Center/ Data Admin Service/ Service Overview/ Constraints

Updated on 2025-10-28 GMT+08:00

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Constraints

DAS Usage Constraints

There are some constraints on the usage of DAS, which are designed to improve stability and security of your instances.

**Table 1** Constraints on Usage
Item	Constraint
Database source	DB engines such as RDS, DDS, and GaussDB are supported.
DB engine	DB engines such as RDS for MySQL, RDS for SQL Server, RDS for PostgreSQL, and GaussDB are supported.
Region and network	In the same region, only VPC networks are supported.

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