Question

当我们的名字为exactly = "ID"

时，我正在尝试获取数据库的所有主键

我的目标是检索重构的所有这些键。我尝试过information_schema表，但我自己无法实现目标。

最喜欢的输出应该是：

SCHEMA_NAME     |   TABLE_NAME      |   PRIMARY_KEY_NAME
--------------------------------------------------------
...             |   ...             |   ID
...             |   ...             |   ID
...             |   ...             |   ID
...             |   ...             |   ID
...             |   ...             |   ID
...             |   ...             |   ID
...             |   ...             |   ID

Answer 1

使用INFORMATION_SCHEMA.TABLE_CONSTRAINTS

SELECT SCHEMA_NAME = TABLE_SCHEMA,
       TABLE_NAME,
       PRIMARY_KEY_NAME = CONSTRAINT_NAME
FROM   INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE  CONSTRAINT_TYPE = 'PRIMARY KEY'
       AND CONSTRAINT_NAME = 'ID'

或使用sys.key_constraints

SELECT SCHEMA_NAME= s.NAME,
       TABLE_NAME = Object_name(kc.parent_object_id),
       PRIMARY_KEY_NAME = kc.NAME
FROM   sys.key_constraints kc
       JOIN sys.schemas s
         ON kc.schema_id = s.schema_id
WHERE  type = 'pk'
       AND kc.NAME = 'ID'

Answer 2

 SELECT Col.Column_Name, col.CONSTRAINT_NAME from 
INFORMATION_SCHEMA.TABLE_CONSTRAINTS Tab, 
INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE Col 
 WHERE 
Col.Constraint_Name = Tab.Constraint_Name
AND Col.Table_Name = Tab.Table_Name
AND Constraint_Type = 'PRIMARY KEY'
AND col.CONSTRAINT_NAME like '%adhoc%'

如何获取具有特定名称的所有主键？

2 个答案: