Introduction to SQL ON UPDATE CASCADE ensures which of the following? Normalization Materialized Views Data Integrity All of these Normalization Materialized Views Data Integrity All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? MAX All of these COUNT SUM MAX All of these COUNT SUM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? ROLLBACK TRUNCATE COMMIT DELETE ROLLBACK TRUNCATE COMMIT DELETE ANSWER DOWNLOAD EXAMIANS APP