What is a SQL constraint violation?
An example of an AI chatbot conversation about SQL constraint violations.
What is a SQL constraint violation?
A SQL constraint violation occurs when a database operation violates a rule defined on a table, such as primary key or foreign key constraints.
Can you give me an example of a constraint violation?
Sure! If you try to insert a duplicate value into a primary key column, it will trigger a constraint violation.
How can I fix a constraint violation?
To fix it, you need to ensure that the data you are trying to insert or update complies with the constraints defined on the table.
What types of constraints are there in SQL?
Common types of constraints include NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, and CHECK constraints.
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