Compatibility with SQL Server types, including 3-digit precision of datetime, supporting sql_variant type, etc.
Supports join operators *= *<, etc.
Supports object name delimiters as square brackets [] and single quotes ''
Supports temporary table syntax: ## temporary tables and # temporary tables
Supports table types and table variables, supports return table
Compatible with SQL Server collation Chinese_PRC_CI_AS, supports table-level collation
Supports sequences, identity() function, set identity_insert
Compatible with statement blocks (no semicolon required between statements); compatible with batch execution, supports go
Compatible with system variables including @@trancount, @@rowcount, @@fetch_status, @@identity, @@ERROR, etc.
Compatible with XML processing including openxml function, FOR XML clause
Supports dozens of compatible system views and metadata functions including COL_NAME, COLUMNPROPERTY, OBJECT_ID, etc.
Refer to the relevant chapters of the product manual for details.