Database Redesign The EXISTS keyword will be true if any row in the subquery meets the condition. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Adding null columns to a table is straightforward. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Changing cardinalities in a database is: a rare database design task, but does occur. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a database design task that never occurs. a rare database design task, but does occur. is impossible to do, so a new database must be constructed and the data moved into it. a common database design task. a database design task that never occurs. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A regular subquery is processed from the bottom up. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The NOT EXISTS keyword will be true if: neither of these two conditions is met. any row in the subquery meets the condition. both of these two conditions are met. all rows in the subquery fail the condition. neither of these two conditions is met. any row in the subquery meets the condition. both of these two conditions are met. all rows in the subquery fail the condition. ANSWER DOWNLOAD EXAMIANS APP
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