Introduction to Database System A command that lets you change one or more fields in a record is Look-up Insert None of these All of these Modify Look-up Insert None of these All of these Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS each user can access every sub¬schema each subschema contains every field in the logical schema all of the listed here each user can "see" only a small part of the entire database each user can access every sub¬schema each subschema contains every field in the logical schema all of the listed here each user can "see" only a small part of the entire database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? tree network chain relational tree network chain relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has more rows than the original table none of the listed here more fields than the original table both of the listed here more rows than the original table none of the listed here more fields than the original table both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these both (a) and (b) can use aggregate functions like SUM and COUNT All of these are written in English None of these both (a) and (b) can use aggregate functions like SUM and COUNT All of these are written in English ANSWER DOWNLOAD EXAMIANS APP
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