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Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
What are the function of DBA?
Do NOT use the timestamp type. Use separate date and time data types only. Figure out how to define an SQL insert statement that uses built-in SQL (or MySQL) functions to define
Differentiate between strict two-phase and rigorous two-phase with conversion protocol Ans: Strict two-phase locking holds all its exclusive that is write locks until commit t
A Structure of a dependency diagram
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w
what is union compatable?
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