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List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
One-to-one relationship: For every 1:1 relationship type R in the ER diagram including two entities E1 and E2 we take one of entities (say E1) preferably with total participatio
What do you mean by an execution plan? Why is it used? How will you view it? a.) An execution plan can be known as a road map which textually or graphically illustrates the dat
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Importance Of File Organisation In Database To execute a database efficiently, there are various design tradeoffs needed. One of the most vital ones is the file Organisation. F
Discuss the count function? The COUNT function used returns the number of tuples or values fixed in a query. The count function comprises two types of syntax: (1) COUNT (*)
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
why data in an RDMS need to be normalised
how many hourse have been spent on a certain project
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