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Determine the Objectives of object oriented design
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Find out the names of all employees who work for first Bank Corporation from database. SELECT EMPLOYEE_NAME FROM WORKS WHERE COMPANYNAME = ‘First Bank Corporation';
What is System R? What are its two major subsystems? System R was intended and developed over a period of 1974-79 at IBM San Jose Research Center. It is a prototype and its pur
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.
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
notes about update opreation
Define Database layer? The database layer defines the data formats used in the database.
Explain forms based and graphical interface? Forms based and graphical interface: graphical user interface (GUI) is a kind of user interface which permits people to interact
difference between internal schema and external schema in DBMS
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
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