数据库SQL server规则的创建查看修改和规则的绑定与松绑删除

Posted 2020-08-20 Stay Hungry, Stay Foolish

用CREATE RULE语句创建规则

创建雇佣日期规则 hire_date_rule

CREATE RULE hire_date_rule 
AS @hire_date>=‘1980-01-01‘ and 
@hire_date<=getdate()

创建性别规则sex_rule

CREATE RULE sex_rule 
AS @sex in (‘男‘,‘女‘)

创建评分规则grade_rule

CREATE RULE grade_rule
AS @value between 1 and 100

 

创建字符规则my_character_rule

Create rule my_character_rule
As @value like ‘[a-z]%[0-9]‘ 

 

sp_helptext 查看规则

查看规则hire_date_rule的文本信息

EXECUTE sp_helptext hire_date_rule

 

sp_bindrule绑定规则

将规则hire_date_rule绑定到employee表的hire_date列上

EXEC sp_bindrule hire_date_rule, ‘employee.hire_date‘

定义用户定义数据类型pat_char，将规则my_character_rule绑定到pat_var上

EXEC sp_addtype pat_char,‘varchar(10)‘,‘NOT NULL‘
GO
EXEC sp_bindrule my_character_rule, pat_char, ‘futureonly‘

sp_unbindrule 解除规则的绑定

 

解除绑定在employee表的hire_date列和用户定义数据类型pat_char上的规则

EXEC sp_unbindrule ‘employee.hire_date‘

DROP RULE语句删除当前数据库中的一个或多个规则

DROP RULE sex_rule,hire_date_rule