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Which is another name for weak entity?
Child is another name of weak entity.
Indexed (Indexed Sequential) File Organisation It organises the file like a big dictionary, i.e., records are kept in order of the key but an index is stored which also allows
What is Hierarchical DBMS In HDBMS, data is structured in a tree like manner. There is a parent-child relationship between data items and the data model is very suitable for re
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
What are composite attributes? Composite attributes can be separated in to sub parts.
we need example of 2phase locking
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
sy bcs project of hospital managment system
Explain the disadvantages of file oriented approach? In the oriented approach Applications are designed in isolation. Design of application is optimized for one application. In
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
Benefits of using heuristics
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