Database Redesign Which SQL-92 standard SQL command can be used to change a table name? None of these CHANGE TABLE ALTER TABLE RENAME TABLE None of these CHANGE TABLE ALTER TABLE RENAME TABLE ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if: neither of these two conditions is met. both of these two conditions are met. all rows in the subquery fail the condition only. any row in the subquery meets the condition only. neither of these two conditions is met. both of these two conditions are met. all rows in the subquery fail the condition only. any row in the subquery meets the condition only. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Adding null columns to a table is straightforward. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Reverse engineering is the process of reading a database schema and producing a data model from that schema. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following SQL statements are helpful in database redesign? Correlated subqueries only None of these Both of the above are helpful EXISTS/NOT EXISTS expressions only Correlated subqueries only None of these Both of the above are helpful EXISTS/NOT EXISTS expressions only ANSWER DOWNLOAD EXAMIANS APP
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