Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Structured Query Language Structured Question Language Sequential Query Language Sequential Question Language Structured Query Language Structured Question Language Sequential Query Language Sequential Question Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? UNATTACH TABLE ERASE TABLE DELETE TABLE DROP TABLE UNATTACH TABLE ERASE TABLE DELETE TABLE DROP TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data file data record data bank database data file data record data bank database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? increased security All of these elimination of the data redundancy ability to associate related data program/data independence increased security All of these elimination of the data redundancy ability to associate related data program/data independence ANSWER DOWNLOAD EXAMIANS APP
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