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In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
how to design tables
Which model is record based logical model? Network Modelis basically known as record based logical model.
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
1. Create the tables for the play-scheme database as specified in the TMA. 2. Enter the data as given in the spreadsheet. 3. Create queries to retrieve specified information
Write short note on Events Events consist of inputs, interrupts, decisions and actions performed by any external device or users. Every event always has a sender and receiver.
How does Oracle act as ODBC and give examples of front end uses with ODBC? ODBC achieve portability at the level of the executable by introducing an extra level of indirection.
Explain the functions of data manager? Functions of Data Manager : - Convert operations in user's queries coming directly through query processor or indirectly in an applicatio
define attribute inheritance with example?
What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
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