Learn what is the syntax for creating a check constraint in SQL and how to use it to validate your data and enforce data integrity rules on your tables.

Learn how to find, modify, drop, and avoid index or constraint dependencies or changes in SQL, using system views, SQL statements, and best practices.

Check uniqueness for column 'd', if constraint was violated then do replace. Execute box_insert in Tarantool, which will perform uniqueness check for column 'e'.

Constraints in sql are used to define rules for the table and columns in a database and also make sure that data are accurate and trusted in the database. constraints are responsible for the ...

SQL CHECK Constraint syntax:- The following SQL creates a CHECK constraint on the "employee_Id" column. The CHECK constraint describe that the column "employee_Id" should only have values those are ...

When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I ...

I get 2 groups of 4 check boxes and 3 radio buttons.<BR><BR>the bottom check box lets me:<BR>Script PRIMARY keys, FOREIGN keys, defaults, and check constraints.

SQL Server 2000I need to change the collation for a database from case senstitive to case insensitive. ALTER DATABASE COLLATE SQL_Latin1_General_CI_AS When I try to so, I get a whole slew of ...