Help Center/ Distributed Database Middleware/ User Guide/ SQL Syntax/ DML/ Supported System Schema Queries
Updated on 2022-09-16 GMT+08:00
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Supported System Schema Queries

Table 1 Supported System Schema Queries

DML Syntax

Restriction

System schema queries

The following system schema queries are supported:

SELECT version()

  • information_schema.SCHEMA_PRIVILEGES
  • information_schema.TABLE_PRIVILEGES
  • information_schema.USER_PRIVILEGES
  • information_schema.SCHEMATA
  • information_schema.tables
  • information_schema.columns

SHOW KEYS FROM `table ` FROM `database

NOTE:
  • Supported operators include =, IN, and LIKE. These operators can be associated using AND.
  • Complex queries, such as subquery, JOIN, sorting, aggregate query, and LIMIT, are not supported.
  • information_schema.tables and information_schema.columns support operators < and >.

Parent topic: DML