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Which is another name for weak entity?
Child is another name of weak entity.
Describe how you can simplify Operations. To simplify operation, one should use inheritance, where possible to use, to reduce the quantity of distinct operations. Introduce new
Explain the Role of a database administrator a. Defining the Schema The DBA describes the schema which consists of the structure of the data in the application. The DBA
What is system log? What are the entries? Ans: The system log that is generally written on stable storage contains the redundant data required to recover from volatile
Question: Data Mining is the process of extracting knowledge hidden from large volumes of raw data. (a) Using a suitable example, illustrate how Data Mining can be useful t
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
While sorting field groups we cannot use more than one key field False.
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Waterfall model is the linear model. The process is completed by step by step. We couldn't stop in between of the process. Prototype model: after get the model by low cost budget o
What is OLAP? OnLine Analytical Processing (OLAP) is a Business Intelligence (BI) reporting system. OLAP gives the user with the capability to sum, count, average and do other
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
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