Introduction to SQL Which of the following group functions ignore NULL values? SUM COUNT MAX All of these SUM COUNT MAX All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword(s) ________ is used with wildcards. LIKE only IN and NOT IN IN only NOT IN only LIKE only IN and NOT IN IN only NOT IN only ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ON UPDATE CASCADE ensures which of the following? Normalization All of these Materialized Views Data Integrity Normalization All of these Materialized Views Data Integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL How to select all data from student table starting the name from letter 'r'? SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DIFFERENT DISTINCTIVE UNIQUE DISTINCT DIFFERENT DISTINCTIVE UNIQUE DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: CAPITAL LETTERS. parenthesis -- (...) . braces -- {...}. brackets -- [...]. CAPITAL LETTERS. parenthesis -- (...) . braces -- {...}. brackets -- [...]. ANSWER DOWNLOAD EXAMIANS APP