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#questiontypes of keys examples..
Explain Relational model and their use in DBMS? Relational Model - The relational model was first introduced through E.F. Codd of the IBM Research in the year of 1970. The mode
What is a Transaction? A transaction is an event which happens on the database. Generally a transaction reads a value from the database or writes a value to the database. If y
What is system log? What are the entries? Ans: The system log that is generally written on stable storage contains the redundant data required to recover from volatile
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
what are the limitations of dbms?
Write short notes on tuple relational calculus. The tuple relational calculation is anon procedural query language. It defines the desired information without giving a particul
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Develop a database broker framework to implement a persistence mechanism for the domain objects involved in the use case dealt with in Question 2. a. Specify the attribute type
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