MySQL – Data Constraints – MCQ
SQL Data Constraints are rules that control the type and quality of data stored in tables. They ensure accuracy, consistency, and integrity by preventing invalid
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SQL Data Constraints are rules that control the type and quality of data stored in tables. They ensure accuracy, consistency, and integrity by preventing invalid
SQL operators are symbols or keywords used in SQL statements to perform actions on data. They help compare values, perform calculations, combine conditions, and manipulate
SQL has various data types used to store numbers, text, dates, times, and binary data. This question bank explains their purpose, storage sizes, formats, and
Table highlights the use of SQL commands such as SELECT, INSERT, UPDATE, and DELETE to manage data effectively. It explains the role of constraints like
Databases help store and organize data in a structured format using tables with rows and columns.MySQL is a widely used relational database system known for
SQL is a language used to manage and interact with databases efficiently. It works with systems like MySQL, which store data in tables using rows