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What is the archtetype/instance pattern?
The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among CLASS and SECTION, where the actual occurrence of a class occurs when students register for a SECTION of that CLASS. The archetype/instance pattern is executed as an ID-dependent relationship.
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
explain ER Modeling?
Describe the term- State Diagram State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of in
A Data Model in software engineering is an abstract model that organizes and documents the business data for interaction between team members and is used as a plan for creating
What are called jukebox systems? Jukebox systems have a few drives and numerous disks that can be loaded into single of the drives automatically.
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
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