sql server 快速查询某张表内的所有字段明细，包括大小、注释、类型等

USE TestDB;

SELECT 表名 = CASE
WHEN A.colorder = 1 THEN
D.name
ELSE
''
END,
表说明 = CASE
WHEN A.colorder = 1 THEN
ISNULL(F.value, '')
ELSE
''
END,
字段序号 = A.colorder,
字段名 = A.name,
字段说明 = ISNULL(G.[value], ''),
标识 = CASE
WHEN COLUMNPROPERTY(A.id, A.name, 'IsIdentity') = 1 THEN
'√'
ELSE
''
END,
主键 = CASE
WHEN EXISTS
(
SELECT 1
FROM sysobjects
WHERE xtype = 'PK'
AND parent_obj = A.id
AND name IN
(
SELECT name
FROM sysindexes
WHERE indid IN
(
SELECT indid FROM sysindexkeys WHERE id = A.id AND colid = A.colid
)
)
) THEN
'√'
ELSE
''
END,
类型 = B.name,
占用字节数 = A.length,
长度 = COLUMNPROPERTY(A.id, A.name, 'PRECISION'),
小数位数 = ISNULL(COLUMNPROPERTY(A.id, A.name, 'Scale'), 0),
允许空 = CASE
WHEN A.isnullable = 1 THEN
'√'
ELSE
''
END,
默认值 = ISNULL(E.text, '')
FROM syscolumns A
LEFT JOIN systypes B
ON A.xusertype = B.xusertype
INNER JOIN sysobjects D
ON A.id = D.id
AND D.xtype = 'U'
AND D.name <> 'dtproperties'
LEFT JOIN syscomments E
ON A.cdefault = E.id
LEFT JOIN sys.extended_properties G
ON A.id = G.major_id
AND A.colid = G.minor_id
LEFT JOIN sys.extended_properties F
ON D.id = F.major_id
AND F.minor_id = 0
WHERE D.name = 'Sys_FloorConfig' --如果只查询指定表,加上此条件
ORDER BY A.id,
A.colorder;