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State the Object Design for Processing
The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as internal data structures and algorithms to implement operations, restructuring classes for efficiency, implementation of control, implementation of associations and packaging into the physical modules. Object design extends analysis.
Suppose R is a relation with attributes A1, A2,..., An. As a function of n, tell how many superkeys R has, if: 1.1 The only key is A1. 1.2 The only key is A1 and A2. 1.3 The o
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.
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
draw ER diagram of student entity and course entity where attribute of student entity are student roll, student name, student phone and student address and attribute of course enti
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
A database is a set of data. But, is the data kept in a database trustworthy? To answer that query we must first answer the question. What is integrity? Integrity simply means t
A student entity type has the following attributes,name..
Explain the Query Processing Data Query Processing permits a user to report or analyze structured and unstructured data pulled from multiple data sources.
Database Recovery And Security Introduction In this part we will introduce two main issues relating to database management systems. A computer system suffers from dissi
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
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