Introduction to SQL Which one of the following sorts rows in SQL? SORT BY GROUP BY ORDER BY ALIGN BY SORT BY GROUP BY ORDER BY ALIGN BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL data definition commands make up a(n) ________ . DDL HTML DML XML DDL HTML DML XML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 6789 2345 456789 1234 6789 2345 456789 1234 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False 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. has a distinct form that cannot be duplicated by a join. can only be used with two tables. cannot have its results sorted using ORDER BY. can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. can only be used with two tables. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. True False True False ANSWER DOWNLOAD EXAMIANS APP