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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
Submission Requirements All answers must be computer generated (including text and diagrams). The hand-in version must include a header page (or with sufficient space)
explain the steps for reduction of er model into relational model?
#questiontypes of keys examples..
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Question: (a) Define the term e-Government and briefly explain, using appropriate examples, the aspects it covers. (b) Give four reasons as to why a country should adopt e
domain
Which of the operations constitute a basic set of operations for manipulating relational data? Relational algebra operations constitute a basic set of operations for manipulati
Which two tools are used to administer users for Active Directory?
Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.
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