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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
How to reduce data redundency
difference between internal schema and external schema in DBMS
The File Based System File based systems are an early attempt to computerise the manual filing system. For example, a manual file can be set up to hold all the correspondence r
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
What is the max. no. Of structures that can be included in a table or structure. Nine.
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
Should I select imaging software that allows changes? An imaging system should not give features to edit or alter images. Images generally are formed as safe and secure records
Explain three main attributes of data.
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
Give detail description on Transactions. - Using transactions we can group all SQL commands into a single unit. - Transaction begins with some task and finishes only when a
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