Introduction to SQL In SQL, which command is used to change a table's storage characteristics? None of these MODIFY TABLE ALTER TABLE CHANGE TABLE None of these MODIFY TABLE ALTER TABLE CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? None of these EXISTS operator NOT operator IS NULL operator None of these EXISTS operator NOT operator IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DIFFERENT DISTINCT DISTINCTIVE UNIQUE DIFFERENT DISTINCT DISTINCTIVE UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints 0 5 9 10 0 5 9 10 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a valid SQL type? FLOAT NUMERIC CHARACTER All of these FLOAT NUMERIC CHARACTER All of these 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS