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GateDge2023_ljy/01.扩展/HandleUtils/sql/SQL查询表信息.sql
PastSaid fa480006a8 1
2024-07-16 10:33:50 +08:00

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SQL

-- 1、查询所有表的名称
-- 方法一:
select name from sys.tables
-- 方法二:
select table_name from information_schema.tables
-- 2、查询 test_01 表的所有字段
-- 方法一:
Select name FROM SysColumns Where id=Object_Id('test_01')
-- 方法二:
select column_name from information_schema.columns where table_name = '销售合同_20240523'
-- 3、查询 test_01 表的所有字段以及字段类型
select table_name,column_name,data_type
from information_schema.columns
where table_name = 'test_01'
-- 4、查看 test_01 表的字段以及字段的注释
select a.name table_name,b.name column_name,C.value column_description
from sys.tables a
inner join sys.columns b on b.object_id = a.object_id
left join sys.extended_properties c on c.major_id = b.object_id and c.minor_id = b.column_id
where a.name = 'test_01'