primary key, Database Management System

what is primary key
Posted Date: 11/29/2013 2:15:23 AM | Location : USA







Related Discussions:- primary key, Assignment Help, Ask Question on primary key, Get Answer, Expert's Help, primary key Discussions

Write discussion on primary key
Your posts are moderated
Related Questions
Consider a relation s over the attributes A and B with the following characteristics: 5,000 tuples with 10 tuples per page A 2-level B+ tree index on attribute

Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes

What are the two types of indices? The two types of indices are:- A)     Dense index B)      Sparse index

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 ex

external and internal mapping with examples

PHYSICAL DBMS ARCHITECTURE  The physical architecture defines the software components used to process and enter data, and how these software components are related and interc

3NF Normal Form A relation schema R is in 3NF if it is in 2NF and for each FD X A either of the following is true X is a Super-key of R. A is a prime attribute of R

For this application, we will consider IBM DB2 catalog data (i.e., metadata) for IBM's enterprise-class servers running the z/OS (formerly OS/390 or MVS) operating system.  One of

What are segments in oracle? Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections

Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat