Define- relational algebra, Database Management System

Assignment Help:

Define- relational algebra.

The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relation as output.

Related Discussions:- Define- relational algebra

Create the table, Question: Using the data model express the following ...

Question: Using the data model express the following queries in SQL. (a) Create the Table named "Cinema" and make the cinema_code to be the primary key of the relation and

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

Mapping, external and internal mapping with examples

external and internal mapping with examples

How is concurrency identified, How is concurrency identified? Concurren...

How is concurrency identified? Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation imp

Determine the strong and weak entity, Determine the Strong and Weak Entity ...

Determine the Strong and Weak Entity Based on the method of foreign key, there might be arise a situation when we have to relate an entity having a primary key of its own and a

Property management database, You are to write a property management databa...

You are to write a property management database program that allows a real estate agent to view, add, search, and save property listings. The program is to do the following: 1.

Describe the most important classes of parallel machines, Question 1 Discu...

Question 1 Discuss the classification of DBMS based on location of database Question 2 Explain with examples different SQL commands used for creating and deleting relations.

Define data model, Define data model? A data model is a collection of c...

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

Describe the host language, Describe the host language? Host Language:...

Describe the host language? Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database inter

Structure of the ldb, Though all the ABAP/4 Dictionary Structures that exis...

Though all the ABAP/4 Dictionary Structures that exists in the structure of the LDB, being described in Database Program, we are explaining the Dictionary Structures in the Report.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages