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What are the three types of data sources used with ODBC?
An ODBC file data source is a file that can be shared between database users. An ODBC system data source is one that is local to a one computer. A ODBC user data source is only available to the user who created it.
Control Files : The redo and control files logs support the rest of the architecture. Every database must have at least one control file, although you have more than one to guard
Enumerate or state the steps in creating a relevant database of a shop.
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Give the two reasons for allowing concurrency
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to
Example :; transfers transfer_amount from x's account to y's account ; Supposes x&y both accounts exist TRANSACTION (x, y, transfer_amount) Start transaction IF X AND Y
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
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
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