列出SQL Server中不是PK / FK的所有约束

Question

除明显的主要/外键之外，是否有快速获取数据库中所有约束的列表？

Answer 1

假设SQL Server 2005+（总是用于指定SQL Server的版本！）：

SELECT 
  [constraint] = name, 
  [object] = QUOTENAME(OBJECT_SCHEMA_NAME(parent_object_id))
    + '.' + QUOTENAME(OBJECT_NAME(parent_object_id)),
  [definition]
FROM sys.check_constraints
ORDER BY [object], name;

SELECT 
  [constraint] = name,
  [object] = QUOTENAME(OBJECT_SCHEMA_NAME(parent_object_id))
    + '.' + QUOTENAME(OBJECT_NAME(parent_object_id)),
  [definition]
FROM sys.default_constraints
ORDER BY [object], name;

如果要将它们组合成单个结果集：

SELECT 
  [constraint] = name, 
  type_desc,
  [object] = QUOTENAME(OBJECT_SCHEMA_NAME(parent_object_id))
    + '.' + QUOTENAME(OBJECT_NAME(parent_object_id)),
  [definition]
FROM sys.check_constraints
UNION ALL
SELECT 
  [constraint] = name,
  type_desc,
  [object] = QUOTENAME(OBJECT_SCHEMA_NAME(parent_object_id))
    + '.' + QUOTENAME(OBJECT_NAME(parent_object_id)),
  [definition]
FROM sys.default_constraints
ORDER BY [object], name;