Relational Technology And SELECT Statement - Online Test

Test Difficulty Level: Easy

Syllabus of Test

Relational Database Systems - Characteristics of a Relational Database, Application Development Cycle, Oracle's Implementstion of RDBMS and ORDBMS. Oracle Dattypes - Character Datatypes, Numeric Datatypes, The Date Datatype, LOB Datatypes Other Datatypes, Literals. SQL Fundamentals - Operators and Expressions. Writing Simple Queries - SELECT Statement, Limiting Rows, Sorting Rows. SQL *Plus: Basics, Producing More Readable Output, Accepting Values at Runtime.

Sample Question from this online test:

Question: What does a single line with a crowfoot on one end represent in an entity - relationship diagram ?

Option A: One-to-one relationship

Option B: One-to-many relationship

Option C: Many-to-many relationship

Option D: An access path

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Tran Minh on 2011-06-30 19:11:47 wrote,


Ankit Srivastava on 2012-08-06 19:19:53 wrote,

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