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What are called multilevel indices?
Indices with two or more levels are known as multilevel indices.
What are the two types of errors? The two types of errors are: a) Logical error b) System error
What are the kinds of Strings? -A binary string in MySQL is one that MySQL treats as case sensitive in comparisons. -A non binary string in MySQL is one that MySQL does'nt
Explain controlled redundancy? Controlled redundancy : The replication of data within the data warehouse for the purposes of improved data access or understand ability.
Explain the θ-join and equijoin Refer tables Car and Boat which list models of cars and boats and their relevant prices. Assume a customer wants to buy a car and a boat, but sh
what is completeness constrent?
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
prototype of a distributed information system for a national car part retail outlet chain.
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
what is database management system? & why it is required?
What is the difference between serial and sequential files? How searching is applied on both? Ans: A serial file is one where the records have been stored in the order where
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