sql 获取表列和数据类型

Posted 2021-05-14

ALTER PROCEDURE BR_GetColumnAndDatatypes
	@TableName	nVarChar(200)
AS
SELECT 
    c.name 'ColumnName',
    t.Name 'Datatype',
    c.max_length 'MaxLength',
    c.precision ,
    c.scale ,
    c.is_nullable,
    ISNULL(i.is_primary_key, 0) 'PrimaryKey'
FROM    
    sys.columns c
INNER JOIN 
    sys.types t ON c.user_type_id = t.user_type_id
LEFT OUTER JOIN 
    sys.index_columns ic ON ic.object_id = c.object_id AND ic.column_id = c.column_id
LEFT OUTER JOIN 
    sys.indexes i ON ic.object_id = i.object_id AND ic.index_id = i.index_id
WHERE
    c.object_id = OBJECT_ID(@TableName)