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Which method is used to key transformation ?
A hash method is used to key transformation.
Using a database design approach of your choice, produce a logical design for Pharma. 1) Your answer must consist of ONE the following: An entity-relationship (ER) diagra
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
If one requires to access data using Logical Database , the use of events is unavoidable. Yes, if someone wants to access data using Logical database then the use of events
Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
Describe in brief about the Sequence Diagrams Sequence diagrams are interaction diagrams which emphasize time ordering of messages. In UML, it is shown as a table which shows
Define decision tree classifiers? As the name suggests decision tree classifiers use a tree: Every leaf node has an associated class, and every internal node has a predicate as
examples of fields in a database
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