Unique Constraint in SQL Template
The Unique Constraint in SQL template shows you how to assign a UNIQUE KEY constraint to a table, used to avoid any duplicates and ensure unique values in the column. Download and unzip the .zip file in a new folder. Inside the folder you will find a .sql file. Load it into MySQL Workbench. Some other related topics you might be interested are Primary Key Constraint in SQL, Not Null Constraint, and Default Constraint. You can now download the SQL template for free. Unique Constraint in SQL is among the topics covered in detail in the 365 Data Science program.
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Who is it for
This is an open-access SQL template that is going to be useful to Data Scientist, Data Analyst, Data Architect, Data Engineer, Business Analysts, and anyone who wants to upskill in relational databases.
How it can help you
By going through this template, you will learn how to give special rules to a table via constraints. Such rules can be the designation of a primary, or unique key.
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