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What are the two statements regarding transaction?
The two statements regarding transaction of the form are:-
A) Begin transaction
B) End transaction
SELECT Statement This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:
A relation instance indicates as r is a collection of tuples for a given relational schema at a exact point of time. A relation state r of the relation schema R (A 1 ,A 2 ,.....
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
how oracle can be used
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
Describe entity referential integrity and integrity. Give an example of each. Entity Integrity Rule - If there is a attribute A of relation R is a prime attribute of R then A
Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
Explain in details about the f unctions of DBA ?
what is Mapping Constraints? with examples
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