Introduction to SQL Which SQL keyword is used to retrieve a maximum value? UPPER TOP MOST MAX UPPER TOP MOST MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ORDER BY can be combined with the SELECT statements. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing FLASE TRUE Hi Nothing FLASE TRUE Hi ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: cannot have its results sorted using ORDER BY. can always be duplicated by a join. can only be used with two tables. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. can always be duplicated by a join. can only be used with two tables. has a distinct form that cannot be duplicated by a join. 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 Most companies keep at least two versions of any database they are using. False True False True ANSWER DOWNLOAD EXAMIANS APP