Which command undo all the updates performed by the SQL in the transaction? DELETE TRUNCATE COMMIT ROLLBACK TRUE ANSWER : ? YOUR ANSWER : ?
Find the temperature in increasing order of all cities SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY city; TRUE ANSWER : ? YOUR ANSWER : ?
SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. False True TRUE ANSWER : ? YOUR ANSWER : ?
Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function. True False TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the correct order of keywords for SQL SELECT statements? FROM, WHERE, SELECT WHERE, FROM,SELECT SELECT, FROM, WHERE SELECT,WHERE,FROM TRUE ANSWER : ? YOUR ANSWER : ?
NULL is the same as 0 for integer the same as blank for character not a value the same as 0 for integer and blank for character TRUE ANSWER : ? YOUR ANSWER : ?
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 9 10 5 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a SQL aggregate function? LEN LEFT AVG JOIN TRUE ANSWER : ? YOUR ANSWER : ?
Find the SQL statement below that is equal to the following: SELECT NAME FROM CUSTOMER WHERE STATE = 'VA'; SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA'); SELECT NAME IN CUSTOMER WHERE STATE IN ('VA'); SELECT NAME IN CUSTOMER WHERE STATE = 'V'; SELECT NAME IN CUSTOMER WHERE STATE = 'VA'; TRUE ANSWER : ? YOUR ANSWER : ?
The result of a SQL SELECT statement is a ________ . report table form file TRUE ANSWER : ? YOUR ANSWER : ?