Deadlock in DBMS A deadlock is a condition where two or more transactions are waiting indefinitely for one another to give up…
Tag:
dbms generalization
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Join Operations: A Join operation combines related tuples from different relations, if and only if a given join condition is satisfied. It…
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QUESTIONS ON THIRD NORMAL FORM To solve the question on 3 NF, we must understand it’s both definitions: Definition 1: A relational…
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SQL Aggregate Functions SQL aggregation function is used to perform the calculations on multiple rows of a single column of a table.…
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States of Transaction In a database, the transaction can be in one of the following states – Active state The active state…
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Decomposition Algorithms In the previous section, we discussed decomposition and its types with the help of small examples. In the actual world,…
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Keys Keys play an important role in the relational database. It is used to uniquely identify any record or row of data…
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QUESTIONS TO IDENTIFY NORMAL FORM To solve the question to identify normal form, we must understand its definitions of BCNF, 3 NF,…
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SQL Clauses The following are the various SQL clauses: 1. GROUP BY SQL GROUP BY statement is used to arrange identical data…
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Static Hashing In static hashing, the resultant data bucket address will always be the same. That means if we generate an address…