适用于 Transact-sql 的按类别列出的系统功能System Functions by category for Transact-SQL
SQL Server 
Azure SQL 数据库 Azure Synapse Analytics (SQL DW) 并行数据仓库 SQL Server Azure SQL Database Azure Synapse Analytics (SQL DW) Parallel Data Warehouse
SQL ServerSQL Server提供下列系统函数组。provides the following groups of system functions.
本节内容In This Section
Always On 可用性组函数Always On Availability Groups functions
变更数据捕获函数Change Data Capture functions
更改跟踪函数Change Tracking functions
数据收集器函数Data Collector functions
Filestream 和 FileTable 函数Filestream and FileTable functions
托管备份函数Managed Backup functions
查询和扩展事件函数Queries and extended events functions
全文搜索和语义搜索函数Full-Text Search and Semantic Search functions
系统元数据函数System Metadata functions
系统安全功能System Security functions
系统跟踪函数System Trace functions