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Explain What is Relation?
A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
why are older data base model are being replaced by new data model
Benefits of heap files 1. This is a easy file Organisation method. 2. Insertion is somehow capable. 3. Good for bulk-loading data into a table. 4. Best if file
Compare three clustering algorithms in Weka. For this comparison, you will need to use at least two different datasets. Run the algorithms on the datasets, and use the visual
why three level architecture had been developed/
I need ERP system We are selling automotive spare parts on the internet and we require ERP software, which would sync with our e-shop. Our e-shop doesn't use any e-commerce plat
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
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