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 tree file a hashed file an indexed file None of these a sequential file a tree file a hashed file an indexed file None of these a sequential file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Log file Update file Specialized file Master file Log file Update file Specialized file Master file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? DELETE TABLE ERASE TABLE DROP TABLE UNATTACH TABLE DELETE TABLE ERASE TABLE DROP TABLE UNATTACH TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a relational database? FoxPro 4th Dimension Reflex dBASE IV FoxPro 4th Dimension Reflex dBASE IV ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema stores data in tables permits many-to-many relation¬ships All of the listed here restricts the structure to a one-to-many relationship stores data in tables permits many-to-many relation¬ships All of the listed here restricts the structure to a one-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
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