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Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
write-set(T): Each data items that are written by a transaction T
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Demonstrate the Design of associations During object design phase we must design a strategy to implement associations. Association may be unidirectional or bi-directional. Wha
What is Disadvantages Of DBMS ? 1. Cost of Software and Hardware and Migration - A important disadvantage of the DBMS system is cost. 2. Reduced Response and Throughpu
difference between internal schema and external schema in DBMS
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
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