Introduction to SQL A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000? SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; None of these SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; None of these SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? All of these MAX SUM COUNT All of these MAX SUM COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? MAX MOST TOP UPPER MAX MOST TOP UPPER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? ALTER TABLE MODIFY TABLE CHANGE TABLE None of these ALTER TABLE MODIFY TABLE CHANGE TABLE None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Hi Nothing TRUE FLASE Hi Nothing TRUE FLASE ANSWER DOWNLOAD EXAMIANS APP
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