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 ;