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oracle/sql, Database Management System
can you create a database for me in oracle/sql
Posted Date: 11/13/2012 1:43:12 PM | Location : United Kingdom
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ERD, The entity type STUDENT has the following attributes: Student Name, Ad...
The entity type STUDENT has the following attributes: Student Name, Address, Phone, Age, Activity, and No of Years. Activity represents some campus-based student activity, and No o
Object-based models - data models, Object-based Models: Use objects as key ...
Object-based Models: Use objects as key data representation components . Examples:- Entity-Relationship Model: It is a collection of real world objects known as entitie
Normalize table 3nf , Normalize the following tables upto and including the...
Normalize the following tables upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the
Define the division operation of relational algebra, Define the Division Op...
Define the Division Operation of Relational Algebra Let R be a relation comprising attributes (A1,...Ap,Ap+1,...An) and S comprising attributes (Ap+1,...An) DEF: Division
Security-drawbacks of data distribution, Security: In a centralised system...
Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
Intersection, If R1 and R2 are two union compatible relations or functions,...
If R1 and R2 are two union compatible relations or functions, then the result of R3 = R1 ∩R2 is the relation that contains all tuples that are in both the relations In other words,
Ordering of tuples, In a relation, tuples are not inserted in any definite ...
In a relation, tuples are not inserted in any definite order. Ordering of tuples is not defined as a part of a relation definition. Though, records may be structured later accordin
Draw an er diagram with primary key for a farm, Draw an ER diagram that rep...
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
Describe the storage structure of indexed sequential files, Describe the st...
Describe the storage structure of indexed sequential files and their access method. Ans: Storage structure of Indexed Sequential files and their access: To achieve fast rand
Components of a typical database environment, Question: (a) List four d...
Question: (a) List four disadvantages of the File Processing System as compared to the Database Systems. (b) The integrity of a database is enforced by integrity rules. One
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