Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ALTER TABLE MODIFY TABLE INSERT COLUMN ADD COLUMN ALTER TABLE MODIFY TABLE INSERT COLUMN ADD COLUMN ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a sequential file a hashed file a tree file an indexed file None of these a sequential file a hashed file a tree file an indexed file None of these 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 A data dictionary doesn't provide information about: It will be the dominant data base of the future where data is located It allows a many-to-many relationship It is conceptually simple the size of the disk storage device It will be the dominant data base of the future where data is located It allows a many-to-many relationship It is conceptually simple the size of the disk storage device ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? None of these FMS EMMS DASD DBMS None of these FMS EMMS DASD DBMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? DROP TABLE ERASE TABLE UNATTACH TABLE DELETE TABLE DROP TABLE ERASE TABLE UNATTACH TABLE DELETE TABLE ANSWER DOWNLOAD EXAMIANS APP
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