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List the requirements needed to design a trigger.
The requirements are:-
Specifying when a trigger is to be implemented.
State the actions to be taken when the trigger implements.
what are the states of transaction?
how to submit answers softcopy
Replicating Data One approach that may support efficient access to dissimilar applications as above may be to give access to every of the applications from dissimilar replicate
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Give the two reasons for allowing concurrency
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
Ancestry database records information about family trees . Following information is recorded about each person: FIRSTNAME first name SURNAME surname MNAME maiden name (if
Question : (a) Database Management Systems (DBMS) is the foundation of business intelligence. Explain the following concepts related to DBMS: (i) Entity Relationship Diagr
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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