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What is Explicit update
In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that derived attributes are affected by each change to a basic attribute, and inserts code into update operation on base object to explicitly update derived attributes which depend on it.
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.
Define Aggregate functions and what aggregate functions supported by the MySQL To calculate a summary value from a set of individual values and uses one of the functions known
why shadow copy technique is used?
What is the purpose of tables, private synonyms and public synonyms? If there are multiple objects of similar name on an Oracle database, that order are they accessed in? The r
What Command You Use What Day of the week were you born
#quesDefine a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pi
Consider the subsequent relation Professor (Pfcode, dept, head, time) It is assumed that (i) A professor can work in much more than one
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
Views in relational algebra: 1. Basic expression contains either a) A relation in the database. b) A constant relation. 2. General expressions are madde out of sma
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