Which of the following products implemented the CODASYL DBTG model? IDMS R:base dBase-II DB2 TRUE ANSWER : ? YOUR ANSWER : ?
What name is given to the collection of facts, items of information or data which are related in some way? Directory information Information provider Database Information tree TRUE ANSWER : ? YOUR ANSWER : ?
In a relational schema, each tuple is divided into fields called Domains All of the listed here Relations Queries TRUE ANSWER : ? YOUR ANSWER : ?
An entity class is a collection of entities and is described by the structure of the entities in that class. False True TRUE ANSWER : ? YOUR ANSWER : ?
In SQL, which command(s) is(are) used to redefine an index's future storage allocation MODIFY INDEX DO INDEX REDEFINE INDEX None of these ALTER INDEX TRUE ANSWER : ? YOUR ANSWER : ?
What is the name given to the database management system which is able to handle full text data, image data, audio and video? Multimedia Full media Graphics media Hypertext TRUE ANSWER : ? YOUR ANSWER : ?
Which command is used to remove a table from the database in SQL? UNATTACH TABLE DELETE TABLE DROP TABLE ERASE TABLE TRUE ANSWER : ? YOUR ANSWER : ?
Which command(s) is(are) used to redefine a column of the table in SQL ? ALTER TABLE DEFINE TABLE MODIFY TABLE all of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
In SQL, which command(s) is(are) used to create a synonym for a schema object? CREATE SCHEMA All of the listed here CREATE SYNONYM CREATE SAME TRUE ANSWER : ? YOUR ANSWER : ?
Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Supertype entity Archetype entity Instance entity Subtype entity TRUE ANSWER : ? YOUR ANSWER : ?