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 The data model produced from the reverse engineering process is a true logical model. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command can be used to add columns to a table? MODIFY TABLE TableName ADD ColumnName ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD ColumnName ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD COLUMN ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A regular subquery can be processed: from the bottom up. from the top down. by nesting. None of these from the bottom up. from the top down. by nesting. None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How can you find rows that do not match some specified condition? EXISTS None of these Double use of NOT EXISTS NOT EXISTS EXISTS None of these Double use of NOT EXISTS NOT EXISTS ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if: both of these two conditions are met. any row in the subquery meets the condition only. neither of these two conditions is met. all rows in the subquery fail the condition only. both of these two conditions are met. any row in the subquery meets the condition only. neither of these two conditions is met. all rows in the subquery fail the condition only. ANSWER DOWNLOAD EXAMIANS APP
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