MCQS Related to Database | mcqs related to DBMS | Database management system | mySQL| SQL part-2
In this video i will discuss all important mcqs related to database and dbms
Test Your Knowledge: Database and DBMS MCQs
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Are you interested in learning more about keys in DBMS?
Keys are an essential component of relational databases, and they play a crucial role in maintaining the integrity and accuracy of your data. In this video, we'll explore the different types of keys used in DBMS and how they work.
A key is a set of one or more attributes that can uniquely identify each record in a table. In DBMS, there are several types of keys, including primary keys, foreign keys, candidate keys, and alternate keys. Each type of key has a specific purpose and functionality.
A primary key is a unique identifier for each record in a table. It ensures that each record can be uniquely identified, and it helps to maintain the integrity of your data. Foreign keys are used to link tables together, and they enforce referential integrity between related tables.
Candidate keys are a set of attributes that can also uniquely identify each record in a table, but they are not selected as the primary key. An alternate key is a candidate key that is not selected as the primary key.
In this video, we'll explain the differences between these types of keys, and when to use each type. We'll also show you how to create keys in popular DBMS platforms such as MySQL, Oracle, and SQL Server.
By watching this video, you'll gain a comprehensive understanding of keys in DBMS, and you'll be better equipped to design effective and efficient relational databases that can store and manage your data effectively.
This video covers the different types of DBMS Keys like Super Key, Candidate Key, Primary Key, Foreign Key, Alternate Key, Composite & Compound Key and Surrogate Key with complete explanation and example.
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#dbmskeys
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