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What is called an evaluation primitive?
A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
What are the disadvantages of file processing system? The drawbacks of file processing systems are a) Data redundancy and inconsistency b) Complexity in accessing data
Explain the challenges before an E-business management.
Oracle Fusion Middleware: Key Skills: Consulting,Architect, Oracle Fusion Middleware,ECM, UCM, Stellent,Identity Management, SOA Suites, BPEL, ESB,OAM,OIM,J2ee, Java, Livelink
Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela
Problem 1. Write the SQL queries using Data Manipulation Language (DML) statements. Insert values into student table with field names using insert command Display the
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
losers with new information systems
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
What type of view of total database content? Data base content Conceptual view of total database contain.
non numeric literals
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