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What is 2-tier architecture?
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What do you understand by data redundancy?
What is domain in dbms?
What is natural key?
What is a trigger?
Explain the difference between a dynamic and materialized view.
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 a key in database?
What is normalization and why it is used?
What are the applications of rdbms?
If an UNIQUE KEY constraint on DATE column is created, will it accept duplicate values?
The use of LAST_VALUE() AND FIRST_VALUE() with an example
What is dbms architecture?
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