Explain the relational completeness, Database Management System

Explain the Relational Completeness

Codd described the term relational completeness to consider to a language that is complete with respect to first-order predicate calculus except for the restrictions he proposed. Actually the restrictions have no unfavorable effect on the applicability of his relational algebra for database purposes.

Posted Date: 5/6/2013 2:31:09 AM | Location : United States







Related Discussions:- Explain the relational completeness, Assignment Help, Ask Question on Explain the relational completeness, Get Answer, Expert's Help, Explain the relational completeness Discussions

Write discussion on Explain the relational completeness
Your posts are moderated
Related Questions
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions

Create a view emp_dep containing e_name and number of dependents from the tables employee and dependent of (i) CREATE VIEW emp_dept AS SELECT ename, COUNT(*) FROM employee, dep

What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data


Nested Queries Let us see some more complex queries in this section. Sub-queries: Some of the basic concerns of sub-queries are: A sub-query is a SELECT statemen

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

Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.

What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can

Determine the Derived attribute to avoid re-computation Each class box consists of an ordered list of attributes and operations, each represented as a next string. We can find

Data Control The data control mostly refers to commands that permit system and data privileges to be passed to several users. These commands are usually available to database admi