Database Redesign Information systems and organizations do not just influence each other; they create each other. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The process of reading a database schema and producing a data model from that schema is known as: data modeling. reverse engineering. None of these database design. data modeling. reverse engineering. None of these database design. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is especially difficult if the database has no data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which SQL-92 standard SQL command can be used to change a table name? RENAME TABLE CHANGE TABLE ALTER TABLE None of these RENAME TABLE CHANGE TABLE ALTER TABLE None of these 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 Both of the above actions should succeed Changing a column data type from char to date Neither of the above actions will succeed Changing a column data type from numeric to char Both of the above actions should succeed Changing a column data type from char to date ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How can you find rows that do not match some specified condition? Double use of NOT EXISTS None of these NOT EXISTS EXISTS Double use of NOT EXISTS None of these NOT EXISTS EXISTS ANSWER DOWNLOAD EXAMIANS APP
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