标准摘要
[中文适用范围]： 本文档描述了 SQL 对时间相关信息的支持。本文档讨论了 SQL 语言的以下特性：— 时间相关数据类型 — 时间相关数据的操作 — 时间相关谓词 — 应用程序时间段表 — 系统版本表 — 双时态表 [外文原描述]： This document describes the support in SQL for time-related information.This document discusses the following features of the SQL language:— Time-related data types— Operations on time-related data— Time-related Predicates— Application-time period tables— System-versioned tables— Bi-temporal tables
英文名称Information technology - Guidance for the use of database language SQL - Part 2: Time-related information