Introduction to SQL Which of the following is valid SQL for an Index? CREATE INDEX ID; CHANGE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; CHANGE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is sunny. SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The FROM SQL clause is used to... None of these specify range for search condition specify search condition specify what table we are selecting or deleting data FROM None of these specify range for search condition specify search condition specify what table we are selecting or deleting data FROM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? All of these To define the data structures To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language All of these To define the data structures To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Self-Join None of these Non-Equijoin Equijoin Self-Join None of these Non-Equijoin Equijoin ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? DELETE INSERT SELECT JOIN DELETE INSERT SELECT JOIN ANSWER DOWNLOAD EXAMIANS APP