What is the most portable way to restrict a status column to a few allowed values?

Problem Statement

Explanation

A CHECK with an IN list validates values at the database boundary and works across vendors. Vendor-specific enums can be ergonomic, but CHECK is simple and portable.

Code Solution

SolutionRead Only

status TEXT NOT NULL CHECK (status IN ('NEW','PAID','CANCELLED'))

Practice Sets

This question appears in the following practice sets:

Constraints, Keys & Data Integrity

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What is the most portable way to restrict a status column to a few allowed values?

Problem Statement

Explanation

Code Solution

Practice Sets

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What is the most portable way to restrict a status column to a few allowed values?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which SQL statement retrieves all columns and rows from a table named employees?

Which clause filters rows before aggregation and affects which rows are grouped?

What is the default sort order when ORDER BY is used without ASC or DESC?

Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?

Which predicate correctly checks for missing values in standard SQL?

More from SQL & Databases

Master Interviews
Anywhere, Anytime