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 > ALL (SELECT SALARY FROM EMPLOYEE);prints 5 10 9 0 5 10 9 0 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands can be used to add data to a database table? APPEND UPDATE INSERT ADD APPEND UPDATE INSERT ADD ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? Strings All of these Column Alias Dates Strings All of these Column Alias Dates ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? LIKE operator None of these BETWEEN operator EXISTS operator LIKE operator None of these BETWEEN operator EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs TRUE FLASE Hi Nothing TRUE FLASE Hi Nothing ANSWER DOWNLOAD EXAMIANS APP