What are the different types of database?
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what is the difference between securityand protection in dbms?
What are database data types?
What are five advantages of a database?
what is the age limit for groups1 examination
What is db context?
What is Distributed database ?
Explain the main control blocks available in ims db?
List few restrictions that are imposed while creating views?
1.If we have a Salary coloumn in Staff entity with this description the salary must be monetary and >=$35450.00, how we can write it in into schemain SQL? 2. If we have Weight and Marks in Assessment entity and the Weight has the description of this it must be Non-zero percentage. And also the Marks attribute stores the maximum possible raw mark for assessment (e.g., 30), while Weight stores of the weight of this assessment for the paper as a whole (e.g., 10%). If Marks is not specified, then Weight is used for both. How we can convert this into schema in SQL????
What is normalization in database with example?
Give us a non-computer example of preemptive and non-preemptive scheduling?
Define denormalization.
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