Top "Check-constraints" questions

WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT

I'm looking at the AdventureWorks sample database for SQL Server 2008, and I see in their creation scripts that they tend …

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CHECK constraint in MySQL is not working

First I created a table like CREATE TABLE Customer ( SD integer CHECK (SD > 0), Last_Name varchar (30), First_Name varchar(30) ); …

mysql check-constraints

How do I add a custom CHECK constraint on a MySQL table?

I am having trouble with this table CREATE TABLE `Participants` ( `meetid` int(11) NOT NULL, `pid` varchar(15) NOT NULL, `status` char(1) …

mysql sql database constraints check-constraints

Sub queries in check constraint

I have table designed in SQL-Server 2008 R2. I have a column in that table which needs to be checked against …

sql sql-server-2008 check-constraints

Constraint for phone number in SQL Server

Constraint for phone number to be of 7 digits. How to check if it is of 7 digits in SQL Server? CREATE …

sql-server check-constraints

How to write a query to ensure email contains @

I'm creating a database in db2 and I want to add a constrain to validate whether the user inserting a …

sql db2 check-constraints

How can I create a CHECK constraint on a VARCHAR column in SQL Server specifying a minimum data length?

I have a VARCHAR(30) column in a Microsoft SQL Server database. I'd like to add a CHECK constraint that does …

sql sql-server tsql check-constraints

How do I create a multiple-table check constraint?

Please imagine this small database... Diagram removed dead ImageShack link - volunteer database diagram Tables Volunteer Event Shift EventVolunteer ========= ===== ===== ============== Id …

sql-server check-constraints

SQL Sub queries in check constraint

Can I make SQL sub queries in Check constraint ? I've a post table with columns id, owner I've another table …

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SQL Server: How to make server check all its check constraints?

It seems that some scripts generated by Enterprise Manager* (or not, it doesn't matter) created check constraints WITH NOCHECK. Now …

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