Introduction to Database System An indexing operation sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? UNATTACH TABLE DROP TABLE ERASE TABLE DELETE TABLE UNATTACH TABLE DROP TABLE ERASE TABLE DELETE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: third normal form. fourth normal form. second normal form. domain/key normal form. third normal form. fourth normal form. second normal form. domain/key normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Entity Identifier Relationship Attribute Entity Identifier Relationship Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for None of these improving data integrity All of these reducing storage space requirements protecting data in data communication systems None of these improving data integrity All of these reducing storage space requirements protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
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