Database Redesign Which SQL-92 standard SQL command can be used to change a table name? ALTER TABLE None of these RENAME TABLE CHANGE TABLE ALTER TABLE None of these RENAME TABLE CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A tool that can help designers understand the dependencies of database structures is a: dependency graph. data model. graphical display. None of these dependency graph. data model. graphical display. None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following SQL statements are helpful in database redesign? Both of the above are helpful Correlated subqueries only EXISTS/NOT EXISTS expressions only None of these Both of the above are helpful Correlated subqueries only EXISTS/NOT EXISTS expressions only None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Dependency graphs are diagrams that consist of nodes and arcs that show the dependencies of a database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The NOT EXISTS keyword will be true if any row in the subquery meets the condition. True False True False ANSWER DOWNLOAD EXAMIANS APP
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
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