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Categories / MSSQL Tutorial / Date Functions
 

CHECK (entered_date = CURRENT_TIMESTAMP)

6>  CREATE TABLE employee 7> ( 8> emp_id         int          NOT NULL PRIMARY KEY 9>                             CHECK (emp_id BETWEEN 0 AND 1000), 10> 11> emp_name       varchar(30)  NOT NULL CONSTRAINT no_nums 12>                             CHECK (emp_name NOT LIKE '%[0-9]%'), 13> 14> mgr_id         int          NOT NULL REFERENCES employee(emp_id), 15> 16> entered_date   datetime     NULL CHECK (entered_date >= 17>                                 CURRENT_TIMESTAMP), 18> 19> entered_by     int          CHECK (entered_by IS NOT NULL), 20>                             CONSTRAINT valid_entered_by CHECK 21>                                 (entered_by = SUSER_ID(NULL) AND 22>                                 entered_by <> emp_id), 23> 24> CONSTRAINT valid_mgr CHECK (mgr_id <> emp_id OR emp_id=1), 25> 26> CONSTRAINT end_of_month CHECK (DATEPART(DAY, GETDATE()) < 28) 27> ) 28> GO 1> 2> EXEC sp_helpconstraint employee 3> GO Object Name -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- employee constraint_type                                                                                                                                    constraint_name                                                                             delete_action update_action status_enabled status_for_replication constraint_keys -------------------------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------- --------------------------------------------------------------------------- ------------- ------------- -------------- ---------------------- ---------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------- CHECK on column emp_id                                                                                                                             CK__employee__emp_id__5C6D822E                                                                             (n/a)         (n/a)         Enabled        Is_For_Replication     ([emp_id]>=(0) AND [emp_id]<=(1000)) CHECK on column entered_date                                                                                                                       CK__employee__entere__5F49EED9                                                                             (n/a)         (n/a)         Enabled        Is_For_Replication     ([entered_date]>=getdate()) CHECK on column entered_by                                                                                                                         CK__employee__entere__603E1312                                                                             (n/a)         (n/a)         Enabled        Is_For_Replication     ([entered_by] IS NOT NULL) CHECK Table Level                                                                                                                                  end_of_month                                                                             (n/a)         (n/a)         Enabled        Is_For_Replication     (datepart(day,getdate())<(28)) FOREIGN KEY                                                                                                                                        FK__employee__mgr_id__5E55CAA0                                                                             No Action     No Action     Enabled        Is_For_Replication     mgr_id                                                                                                                                               REFERENCES master.dbo.employee (emp_id) CHECK on column emp_name                                                                                                                           no_nums                                                                             (n/a)         (n/a)         Enabled        Is_For_Replication     (NOT [emp_name] like '%[0-9]%') PRIMARY KEY (clustered)                                                                                                                            PK__employee__5B795DF5                                                                             (n/a)         (n/a)         (n/a)          (n/a)                  emp_id CHECK Table Level                                                                                                                                  valid_entered_by                                                                             (n/a)         (n/a)         Enabled        Is_For_Replication     ([entered_by]=suser_id(NULL) AND [entered_by]<>[emp_id]) CHECK Table Level                                                                                                                                  valid_mgr                                                                             (n/a)         (n/a)         Enabled        Is_For_Replication     ([mgr_id]<>[emp_id] OR [emp_id]=(1)) Table is referenced by foreign key -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------- master.dbo.employee: FK__employee__mgr_id__5E55CAA0 1> 2> 3> drop table employee; 4> GO