Objectives-the structured query language, Database Management System

Assignment Help:

Objectives

After reading this part, you should be able to:

Modify, create, and delete database schema objects;
Update database using SQL command;
Retrieve data from the database by queries and sub-queries;
Control database access ;
Handle joins operations;
Deal with database objects like Views, Tables, Indexes, Sequences, and synonyms using SQL

Related Discussions:- Objectives-the structured query language

#title.management information system., what is Storage-Device Hierarchy que...

what is Storage-Device Hierarchy question

Define the terms ddl and dml, Define the terms i) DDL ii) DML DDL: Data...

Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data

What is the main advantage of the object model, What is the main advantage ...

What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many

Explain the management of data store, Explain the Management of Data Store ...

Explain the Management of Data Store Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects

Explain projection operation distribute over union operation, Illustrate th...

Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th

Fds in relationships and teaches relationship, FDs in Relationships: E...

FDs in Relationships: Enrols Relationship: None as it is many to many Teaches Relationship : Course code → Instructor Instructor → Course code The next question is:

Define identify relationship, Define identify relationship? Identifyin...

Define identify relationship? Identifying relationship: An identifying relationship means in which the child table cannot be uniquely recognize without the parent. For exampl

Explain the check clause, Explain the Check Clause The CHECK clause is ...

Explain the Check Clause The CHECK clause is employed to at the end of a CREATE TABLE statement specify table constraints. This is known as table-based constraint because it ap

Draw an entity-relationship model, Draw an Entity-Relationship model for ...

Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline the

Special workarea for interface, While using extract datasets it is required...

While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages