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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
Speedup Query Processing: A query that includes data at various sites can be split into sub-queries. These sub- queries can be implemented in parallel by various sites. Such parall
What is aggregate function? Briefly describe it? Aggregate functions are functions that take a collection of values as input and return a one value. SQL offers 5 built-in aggre
what is meant semantic query optimization? how does it differ from other query optimization techniques?
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Define hot swapping? Hot swapping permits the removal of faulty disks and changes it by new ones without turning power off. Hot swapping decreases the mean time to repair.
Illustrate the collaboration and relationship diagram A collaboration is the society of interfaces, classes and other elements which work together to provide some cooperative b
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
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What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
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