Part 6 - SQL/MySQL Interview Questions for Data Analyst

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10 MySQL Interview Questions for Fresh Data Analyst - Part 6 | Interview Questions 2023 | FAQ

What is a wildcard character?
What is ON DELETE CASCADE constraint in MySQL ?
How to apply ON DELETE CASCADE constraint to a Foreign key?
Write a query to delete a Foreign key for a table.
Why the Unique key are important in a constraints?

What are indexes and its uses in MySQL?
How to assign a default value, to every row of a column?
How to apply NOT NULL constraint in a table?
What is NULL and None?
What are linking keywords and symbols in MySQL