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Strict 2PL :Though, this basic 2PL suffers from the trouble that it can result into loss of isolation / atomic property of transaction as theoretically speaking once a lock is rele
Briefly explain each of the following database terms. Use no more than 2-3 lines for each term. 1. DBMS 2. Update Anomaly 3. Alias (referring to tables in SQL queries)
difference between internal schema and external schema in DBMS
Information about films holds information about movies, stars and studios. Movies have a title, year of production, length and the film type. Stars have a name and address. Studi
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Authorisation Authorisation is the culmination of the administrative policies of the organisation. As the name shows, authorisation is a set of rules that can be used to verif
#questiontypes of keys examples..
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
What are the advantages of creating a table from existing table?
An orchestra database consists of the following relations: CONDUCTS (conductor, composition) REQUIRES (composition, Instrument) PLAYS (Player, Instrument) Give the relational
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