Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Sort key Update Delete Index Sort key Update Delete Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True 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? One-to-Many Relationship Composite Relationship One-to-One Relationship Many-to-Many Relationship One-to-Many Relationship Composite Relationship One-to-One Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system both (a) and (b) allow you to entry data in all the forms lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations None of these both (a) and (b) allow you to entry data in all the forms lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Insert Delete None of these All of these Look-up Insert Delete None of these All of these Look-up ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? program/data independence increased security elimination of the data redundancy ability to associate related data All of these program/data independence increased security elimination of the data redundancy ability to associate related data All of these ANSWER DOWNLOAD EXAMIANS APP
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