Introduction to SQL SUM, AVG, MIN, and MAX can only be used with numeric columns. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: has a distinct form that cannot be duplicated by a join. can always be duplicated by a join. cannot have its results sorted using ORDER BY. can only be used with two tables. has a distinct form that cannot be duplicated by a join. can always be duplicated by a join. cannot have its results sorted using ORDER BY. can only be used with two tables. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: brackets -- [...]. CAPITAL LETTERS. braces -- {...}. parenthesis -- (...) . brackets -- [...]. CAPITAL LETTERS. braces -- {...}. parenthesis -- (...) . ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs FLASE Hi TRUE Nothing FLASE Hi TRUE Nothing ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. True False True False ANSWER DOWNLOAD EXAMIANS APP