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List the table modification commands in SQL?
A) Deletion
B) Updates
C) Insertion
D) Update of a view
Determine the OBJECTIVES of object design After passing through this unit, you should be able to: describe and apply concept of generalisation; understand and appl
what is natural join?
Define a relation ? Relation - A relations is a named two-dimensional table of data. Mathematically, a relation can be described as a subset of the cartesian product of a lis
external and internal mapping with examples
In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)
What are the problems if one were not to normalize? When do these problems surface? Ans: Database normalization, sometimes considered to as canonical synthesis, is
please i request for your assistance in developing a case-based online phone repair
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
What do you mean through integrity constraints? Integrity Constraints -An integrity constraint is a condition specified on a database schema and restricts the data in which
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