取得MSSQL表中字段及主键等属性SQL语法

时间:2023-03-09 12:49:20
取得MSSQL表中字段及主键等属性SQL语法
SELECT  c.NAME AS [Column Name], t.NAME AS [Data type],
c.max_length AS [Max Length], c.precision, c.scale,
c.is_nullable AS [Is Nullable], c.is_identity AS [Is Identity],
ISNULL(i.is_primary_key, 0) [Primary Key], i.type_desc,
OBJECT_SCHEMA_NAME(fk.object_id) + '.' + OBJECT_NAME(fk.object_id)
+ ' (' + fk.Name + ')' AS [Foreign Key]
FROM sys.columns c
INNER JOIN sys.types t ON c.system_type_id = t.system_type_id
AND c.user_type_id = t.user_type_id
LEFT OUTER JOIN ( sys.index_columns ic
INNER JOIN sys.indexes i ON ic.object_id = i.object_id
AND i.is_primary_key = 1
AND ic.index_id = i.index_id
) ON ic.object_id = c.object_id
AND ic.column_id = c.column_id
LEFT JOIN sys.foreign_key_columns fkc ON fkc.parent_object_id = c.object_id
AND fkc.parent_column_id = c.column_id
LEFT JOIN sys.columns fk ON fk.object_id = fkc.referenced_object_id
AND fk.column_id = fkc.referenced_column_id
WHERE c.object_id = OBJECT_ID('Table Name')
ORDER BY c.Column_ID ;