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ER diagram on cosmetics
how many hourse have been spent on a certain project
education.
Strict 2PL :Though, this basic 2PL suffers from the trouble that it can result into loss of isolation / atomic property of transaction as theoretically speaking once a lock is rele
The ABC Bank authority now wants to create a database for their customers. So you are requested to modify your program of Assignment A3 as follows. The main program first displa
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
How does Oracle act as ODBC and give examples of front end uses with ODBC? ODBC achieve portability at the level of the executable by introducing an extra level of indirection.
Explain the Aggregation implies concurrency Concurrency actually is: This in objects can be identified by the way they change state. Present objects can change state independen
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
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