Database Redesign The EXISTS keyword will be true if: all rows in the subquery fail the condition only. neither of these two conditions is met. any row in the subquery meets the condition only. both of these two conditions are met. all rows in the subquery fail the condition only. neither of these two conditions is met. any row in the subquery meets the condition only. both of these two conditions are met. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which SQL-92 standard SQL command can be used to change a table name? ALTER TABLE CHANGE TABLE None of these RENAME TABLE ALTER TABLE CHANGE TABLE None of these RENAME TABLE ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model that is produced from reverse engineering is: a conceptual model. a logical model. an internal model. None of these a conceptual model. a logical model. an internal model. None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign It is not easy to build a database correctly the first time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command can be used to delete columns from a table? MODIFY TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP COLUMN ColumnName MODIFY TABLE TableName DROP ColumnName ALTER TABLE TableName DROP ColumnName MODIFY TABLE TableName DROP COLUMN ColumnName ALTER TABLE TableName DROP COLUMN ColumnName MODIFY TABLE TableName DROP ColumnName ALTER TABLE TableName DROP ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign A correlated subquery is processed as a nested subquery. True False True False ANSWER DOWNLOAD EXAMIANS APP
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