[SQL] 以Command取的Table資訊

  • 2509
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  • SQL
  • 2016-04-28

餓死抬頭. MSSQL 從DB中下Command 取得Table中各欄位資訊.

SELECT
    a.TABLE_NAME                as 表格名稱,
    b.COLUMN_NAME               as 欄位名稱,
    --b.DATA_TYPE                 as 資料型別,
    --b.CHARACTER_MAXIMUM_LENGTH  as 最大長度,
    b.DATA_TYPE  + CASE WHEN b.CHARACTER_MAXIMUM_LENGTH IS NULL THEN '' ELSE '(' +  CAST(b.CHARACTER_MAXIMUM_LENGTH AS varchar(2)) +')' END
    as 資料型別,
    b.COLUMN_DEFAULT            as 預設值,
    b.IS_NULLABLE               as 允許空值,
    (
SELECT
value
FROM
            fn_listextendedproperty (NULL, 'schema', 'dbo', 'table', a.TABLE_NAME, 'column', default)
WHERE
            name='MS_Description'
and objtype='COLUMN'
and objname Collate Chinese_Taiwan_Stroke_CI_AS = b.COLUMN_NAME
    ) as 欄位備註
FROM
    INFORMATION_SCHEMA.TABLES  a
LEFT JOIN INFORMATION_SCHEMA.COLUMNS b ON ( a.TABLE_NAME=b.TABLE_NAME )
WHERE
    TABLE_TYPE='BASE TABLE'
    AND 
    a.TABLE_NAME LIKE '%tableName%'
ORDER BY
    a.TABLE_NAME, ordinal_position