SQL Server 索引查询-优快云博客

本文介绍了一个用于查询 SQL Server 数据库中表及其索引详细信息的 SQL 脚本。通过此脚本可以获取表 ID、名称、索引 ID、类型、列详情等，帮助 DBA 和开发者更好地理解数据库结构。

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SELECT 
    TableId=O.[object_id],
    TableName=O.Name,
    IndexId=ISNULL(KC.[object_id],IDX.index_id),
    IndexName=IDX.Name,
    IndexType=ISNULL(KC.type_desc,'Index'),
    Index_Column_id=IDXC.index_column_id,
    ColumnID=C.Column_id,
    ColumnName=C.Name,
    Sort=CASE INDEXKEY_PROPERTY(IDXC.[object_id],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,
    [UQIQUE]=CASE WHEN IDX.is_unique=1 THEN N'√'ELSE N'' END,
    Ignore_dup_key=CASE WHEN IDX.ignore_dup_key=1 THEN N'√'ELSE N'' END,
    Disabled=CASE WHEN IDX.is_disabled=1 THEN N'√'ELSE N'' END,
    Fill_factor=IDX.fill_factor,
    Padded=CASE WHEN IDX.is_padded=1 THEN N'√'ELSE N'' END
FROM sys.indexes IDX
    INNER JOIN sys.index_columns IDXC
        ON IDX.[object_id]=IDXC.[object_id]
            AND IDX.index_id=IDXC.index_id
    LEFT JOIN sys.key_constraints KC
        ON IDX.[object_id]=KC.[parent_object_id]
            AND IDX.index_id=KC.unique_index_id
    INNER JOIN sys.objects O
        ON O.[object_id]=IDX.[object_id]
    INNER JOIN sys.columns C
        ON O.[object_id]=C.[object_id]
            AND O.type='U'
            AND O.is_ms_shipped=0
            AND IDXC.Column_id=C.Column_id