Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of distinct values. groups. values. columns. distinct values. groups. values. columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the full form of SQL? Simple Query Language Structured Query List Structured Query Language None of these Simple Query Language Structured Query List Structured Query Language None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return more than 10 rows less than 10 rows None of these exactly 10 rows more than 10 rows less than 10 rows None of these exactly 10 rows ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ON UPDATE CASCADE ensures which of the following? Materialized Views All of these Data Integrity Normalization Materialized Views All of these Data Integrity Normalization ANSWER DOWNLOAD EXAMIANS APP