Introduction to SQL Which of the following is a SQL aggregate function? AVG LEN LEFT JOIN AVG LEN LEFT JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return None of these more than 10 rows exactly 10 rows less than 10 rows None of these more than 10 rows exactly 10 rows less than 10 rows ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? ALTER TABLE MODIFY TABLE All of these CHANGE TABLE ALTER TABLE MODIFY TABLE All of these CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? ROLLBACK TRUNCATE DELETE COMMIT ROLLBACK TRUNCATE DELETE COMMIT ANSWER DOWNLOAD EXAMIANS APP