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What are the three classes of SQL expression?
SQL expression consists of three clauses:
Select
From
Where
Describe about Object oriented design Object oriented design is concerned with developing an object oriented model of a software system to implement known requirements. Many OO
wh
sql is relationally complete-justify
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
Why older data models are being replaced by new data modelling 100 words accepted#
You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
Gaps in sequence values can happen when: - A rollback happens that is when a statement changes are not accepted. - When the system crashes - When a sequence i
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
please i request for your assistance in developing a case-based online phone repair
Insertion Anomaly: Inability to show certain information-The primary key of the over relation be (enrolment number, Cno). Any new tuple to be inserted in the relation should have
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