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 SQL can be used to: All of these modify database data only. query database data only. create database structures only. All of these modify database data only. query database data only. create database structures only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? SUM MAX COUNT All of these SUM MAX COUNT All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a valid SQL type? CHARACTER NUMERIC FLOAT All of these CHARACTER NUMERIC FLOAT All of these 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 only be used with two tables. can always be duplicated by a join. cannot have its results sorted using ORDER BY. has a distinct form that cannot be duplicated by a join. can only be used with two tables. can always be duplicated by a join. cannot have its results sorted using ORDER BY. ANSWER DOWNLOAD EXAMIANS APP
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