Database Redesign If a database is built correctly the first time, it will not have to be redesigned. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Four Three Two One Four Three Two One ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The process of reading a database schema and producing a data model from that schema is known as: reverse engineering. data modeling. None of these database design. reverse engineering. data modeling. None of these database design. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Information systems and organizations do not just influence each other; they create each other. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model produced from the reverse engineering process is a true logical model. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following SQL statements are helpful in database redesign? EXISTS/NOT EXISTS expressions only Both of the above are helpful Correlated subqueries only None of these EXISTS/NOT EXISTS expressions only Both of the above are helpful Correlated subqueries only None of these ANSWER DOWNLOAD EXAMIANS APP
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