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Types of Locks There are two necessary types of locks: Binary lock : This locking mechanism has two states for to a data item: locked or unlocked Multiple-mode loc
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
Scenario 1: Power goes out after the first instruction. What happens?
Benefits and Limitations od Data Models?
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
What is a view? A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived f
Question 1 What do you mean by database management system? Question 2 Write a note on Object-Oriented Model Question 3 Explain Sequential File Organization Question
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
need to get answer for questions 3&4 on this page in part 1
What is the need of a log in a DBMS? Briefly describe the various types of records that are normally present in a log. Ans: The system log, which is generally writt
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