Database Life Cycle The database too must be subject to constant evaluation, which is known as database life cycle (DBLC). Database manages data and ...
The data model is the abstraction of the real world events by which we create, capture and save the data in the database that are required by the user ...
List of various Tests of Adequacy of Index Number Formula Are: Unit TestTime Reversal TestFactor Reversal TestCircular Test Unit Test: This test ...
Deflating: One of the most useful application of price indices is to adjust series of rupee figures for changes in level of prices. This is known as ...
Problems in the Construction of Index Numbers: Selecting the purpose of the index number: There cannot be any all-purpose index. For example, if an ...
Mid -value: It is the average of the lower limit and the upper limit of a class.Example: Lower limit of the first class is 0 and the upper ...
Relational database theory was first introduced by Edgar Frank Codd in 1970. Edgar Frank Codd was a British computer scientist who, while working for IBM, ...
The relational table’s characteristics are: A table is perceived as a two-dimensional structure composed of rows and columns.Each table row (also known as ...
Centralized Database Design: For a small organization and limited scope of operations, the database may be small in terms of data. Therefore, the ...
Software Design: Software design is a process of problem solving and planning for a software solution. After the purpose and specifications of software are ...