SQL Server 如何查询表定义的列和索引信息
用一种很直观的方式查询出数据库中所有表的定义信息以及相关索引信息
SELECT
表名=CASE WHEN C.column_id=1 THEN O.name ELSE N'' END,
表说明=ISNULL(CASE WHEN C.column_id=1 THEN PTB. END,N''),
字段序号=C.column_id,
字段名=C.name,
主键=ISNULL(IDX.PrimaryKey,N''),
标识=CASE WHEN C.is_identity=1 THEN N'√'ELSE N'' END,
计算列=CASE WHEN C.is_computed=1 THEN N'√'ELSE N'' END,
类型=T.name,
长度=C.max_length,
精度=C.precision,
小数位数=C.scale,
允许空=CASE WHEN C.is_nullable=1 THEN N'√'ELSE N'' END,
默认值=ISNULL(D.definition,N''),
字段说明=ISNULL(PFD.,N''),
索引名=ISNULL(IDX.IndexName,N''),
索引排序=ISNULL(IDX.Sort,N''),
创建时间=O.Create_Date,
修改时间=O.Modify_dateinto #temp1
FROM sys.columns C
INNER JOIN sys.objects O
ON C.=O.
AND O.type='U'
AND O.is_ms_shipped=0
INNER JOIN sys.types T
ON C.user_type_id=T.user_type_id
LEFT JOIN sys.default_constraints D
ON C.=D.parent_object_id
AND C.column_id=D.parent_column_id
AND C.default_object_id=D.
LEFT JOIN sys.extended_properties PFD
ON PFD.class=1
AND C.=PFD.major_id
AND C.column_id=PFD.minor_id
-- AND PFD.name='Caption'-- 字段说明对应的描述名称(一个字段可以添加多个不同name的描述)
LEFT JOIN sys.extended_properties PTB
ON PTB.class=1
AND PTB.minor_id=0
AND C.=PTB.major_id
-- AND PFD.name='Caption'-- 表说明对应的描述名称(一个表可以添加多个不同name的描述)
LEFT JOIN -- 索引及主键信息
(
SELECT
IDXC.,
IDXC.column_id,
Sort=CASE INDEXKEY_PROPERTY(IDXC.,IDXC.index_id,IDXC.index_column_id,'IsDescending')
WHEN 1 THEN 'DESC' WHEN 0 THEN 'ASC' ELSE '' END,
PrimaryKey=CASE WHEN IDX.is_primary_key=1 THEN N'√'ELSE N'' END,
IndexName=IDX.Name
FROM sys.indexes IDX
INNER JOIN sys.index_columns IDXC
ON IDX.=IDXC.
AND IDX.index_id=IDXC.index_id
LEFT JOIN sys.key_constraints KC
ON IDX.=KC.
AND IDX.index_id=KC.unique_index_id
INNER JOIN-- 对于一个列包含多个索引的情况,只显示第1个索引信息
(
SELECT , Column_id, index_id=MIN(index_id)
FROM sys.index_columns
GROUP BY , Column_id
) IDXCUQ
ON IDXC.=IDXCUQ.
AND IDXC.Column_id=IDXCUQ.Column_id
AND IDXC.index_id=IDXCUQ.index_id
) IDX
ON C.=IDX.
AND C.column_id=IDX.column_id
--WHERE O.name = 'viewvoutpage'
-- 如果只查询指定表,加上此条件
ORDER BY O.name,C.column_id
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