Database Redesign The data model that is produced from reverse engineering is: None of these a conceptual model. an internal model. a logical model. None of these a conceptual model. an internal model. a logical model. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The NOT EXISTS keyword will be true if: both of these two conditions are met. any row in the subquery meets the condition. neither of these two conditions is met. all rows in the subquery fail the condition. both of these two conditions are met. any row in the subquery meets the condition. neither of these two conditions is met. all rows in the subquery fail the condition. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Two Three One Four Two Three One Four ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The SQL-92 command to change a table name is RENAME TABLE. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How can you find rows that do not match some specified condition? None of these EXISTS NOT EXISTS Double use of NOT EXISTS None of these EXISTS NOT EXISTS Double use of NOT EXISTS ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model produced from the reverse engineering process is a true logical model. True False True False ANSWER DOWNLOAD EXAMIANS APP
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