Database Redesign How many copies of the database schema are typically used in the redesign process? Three Four One Two Three Four One Two ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Correlated subqueries are similar to a regular subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following modifications may not succeed? Neither of the above actions will succeed Changing a column data type from numeric to char Changing a column data type from char to date Both of the above actions should succeed Neither of the above actions will succeed Changing a column data type from numeric to char Changing a column data type from char to date Both of the above actions should succeed ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign. ambivalent None of these optimistic skeptical ambivalent None of these optimistic skeptical ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The use of the double NOT EXISTS can be used to find rows that do not match some specified condition. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign It is not easy to build a database correctly the first time. False True False True ANSWER DOWNLOAD EXAMIANS APP
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