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Define blocks?
The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
Illustrate how you can use QBE to perform logical AND and OR operation
Differentiate between static hashing and dynamic hashing. Ans: Static Hashing comprises the number of primary pages in the directory fixed. So, while a bucket is full, we requ
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
I need to Map an E-R diagram to a relational schema
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
it can be possible to create any table without primary key
Explain the terms primary key, candidate key, alternate key and secondary key. In the given table identify every key? STUDENT(SID,Regno, Name, City) Primary Key: The prim
Question 1 Suppose the employee employee id, name, designation, salary, attendance and address of any employee has to be stored in a database. You can store these data in a sequen
aggregation
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
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