SQL CHECK Constraint? SQL For Data analyst #datascience #sql

SQL CHECK constraint
1. Used to limit the value range that can be placed in a column.
2. If you define a CHECK constraint on a column it will allow only certain values for this column.
3. If you define a CHECK constraint on a table, it can limit the values in certain columns based on values in other columns in the row

SQL constraints are rules applied to table columns to enforce data integrity and ensure the accuracy and reliability of the data in the database.
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