Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? None of these Equijoin Non-Equijoin Self-Join None of these Equijoin Non-Equijoin Self-Join ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query is correct for using comparison operators in SQL? None of these SELECT name, course_name FROM student WHERE age>50 and WHERE age<80; SELECT name, course_name FROM student WHERE age>50 and age <80; SELECT name, course_name FROM student WHERE age>50 and <80; None of these SELECT name, course_name FROM student WHERE age>50 and WHERE age<80; SELECT name, course_name FROM student WHERE age>50 and age <80; SELECT name, course_name FROM student WHERE age>50 and <80; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? REVOKE GRANT RENAME UPDATE REVOKE GRANT RENAME UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username, Password FROM Users SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username, Password FROM Users SELECT Username AND Password FROM Users 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
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