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What is Explicit update
In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that derived attributes are affected by each change to a basic attribute, and inserts code into update operation on base object to explicitly update derived attributes which depend on it.
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
give me a diagram about physical or internal level
Ask questApollo Hospitals (AH) is a popular medical service provider in Oman. AH wants to automate its business functions into an information system. The proposed information syst
The functions of DBA ?
What is it ?
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
how to data store?
A database is to be constructed to remain track of the teams and games of a sport league. A team has a number of players, not all of whom participate in every game. It is desired
An entity type usually has an attribute whose values are distinct for every individual entity in the collection. Such an attribute is known as a key attribute and its values can be
explain multi key file organisation
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