Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. One-to-one relationship None of these Many-to-one relationship Many-to-many relationship One-to-many relationship One-to-one relationship None of these Many-to-one relationship Many-to-many relationship One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Primitive operations common to all record management systems include All of the listed here Print Sort Look-up All of the listed here Print Sort Look-up ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is All of these Look-up None of these Modify Insert All of these Look-up None of these Modify Insert ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Relationships Entities Attributes Primary keys Relationships Entities Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for 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 None of these improving data integrity All of these reducing storage space requirements ANSWER DOWNLOAD EXAMIANS APP
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