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| Chinese National Standard Category: Opening and system interconnection of computer |
| English Title: | Information processing systems－Database language SQL with integrity enhancement |
| Chinese Title: | 信息处理系统 数据库语言SQL |
| Standard No.: | GB/T 12991-1991 |
| Category No.: | L79 |
| Issued by: | CSBTS |
| Issued on: | 1991-08-19 |
| Implemented on: | 1992-4-1 |
| Status: | superseded |
| Superseded by: | GB/T 12991.1-2008 Information technology - Database languages - SQL - part 1： framework |
| Superseded on: | 2008-12-1 |
| Abolished on: | 2008-12-01 |
| Superseding: | |
| Word Count: | 23500 words |
| Similar Standards: | GB/T 16967-1997 T/ITS 0013.3-2014 DB32/T 4434-2022 DB32/T 4435-2022 GB/T 30269.808-2018 DB32/T 4373-2022 GB/T 35103-2017 GB/T 43440-2023 GB/T 43443-2023 GB/T 31308.4-2023 GB/T 31308.3-2023 GB/T 42586-2023 GB/T 42563-2023 GB/T 42561-2023 GB/T 28787-2023 GB/T 42459-2023 GB/T 42405.1-2023 GB/T 42404-2023 GB/T 42402-2023 GB/T 42409-2023 |
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