The following statement creates a CHECK constraint on the "id" column when the "employee" table is created. The CHECK constraint specifies that the column "id" should only include integer values ...

The term "data integrity" can mean different things to different people, but the most difficult and pervasive problem facing organizations these days is the semantic integrity of the data. As ...

For our specific case, we have a MySQL 8.0 database that contains a table with a check constraint which validates a JSON column against a specific schema using the json_schema_valid function. The ...

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 look at ...