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mahesh, Database Management System
Posted Date: 12/19/2012 6:16:56 AM | Location : USA
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What is called an evaluation primitive, What is called an evaluation primit...
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
SQL, Ask Write the SQL code that will create the table structure for a tabl...
Ask Write the SQL code that will create the table structure for a table named EMP _1. This table is a subset of the EMPLOYEE table. The basic EMP_1 table structure is summarized in
A distributed transaction, A Distributed Transaction Let us demonstrate...
A Distributed Transaction Let us demonstrate the concept of a distributed transaction by considering a banking system having of three branches located in 3 different cities. Ev
Explain the concept of data mining, Question 1 Explain the concept of Fore...
Question 1 Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? Question 2 With a necessary example explain (i)
What are the general transformation rules, What are the General Transformat...
What are the General Transformation Rules for Relational operations? Ans: The transformation rules transform one relational algebra expression to AN EQUIVALENT ONE 1. E
State the objectives-data source, You will be analysing a set of financial ...
You will be analysing a set of financial data of your choice. It is not necessary to collect any primary data of your own, and publicly available secondary data will be sufficient
What is thread splitting, What is Thread splitting A thread of cont...
What is Thread splitting A thread of control is a path by which a set of state diagrams on that a single object is active at a time. Objects are shared between threads
Illustrate about the advanced object design, Illustrate about the advanced ...
Illustrate about the advanced object design Advanced object design is a complex task. The objects discovered through analysis serve as a skeleton of design. The operations reco
What is database files , The database files accept the actual data and ...
The database files accept the actual data and are typically the biggest in size. Depending on their shape, the tables for all the user operation can go in one database file-but
Objectives-database recovery and security, Objectives Define the te...
Objectives Define the terms RECOVERY and INTEGRITY; Define Recovery Techniques; Explain Error and Error detection techniques, and Define types of Authorisation.
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