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What is dbms function?
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What is concurrency control?
Explain the Logical Schema of Database
What are the various types of relationships in database? Define them.
What's the difference between file and database? Can files qualify as a database?
what are the different levels of database schema?
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????
State three differences between Dbms and Rdbms?
How to change database dialect?
Define primary and unique key?
Differentiate nested loop, hash join and merge join.
Name the different data models that are available for database systems.
How many records can a database hold?
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