Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... UPDATE FROM CUSTOMER ... DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... UPDATE FROM CUSTOMER ... DROP FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the full form of SQL? Structured Query List Structured Query Language Simple Query Language None of these Structured Query List Structured Query Language Simple Query Language None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is sunny. SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location 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 city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What does the following query find?(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'red')MINUS(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'green') None of These Find the sailor IDs of all sailors who have reserved red boats but not green boats Find the sailor IDs of at least one sailor who have reserved red boats but not green boats Find the sailor Ids of atmost one sailor who have reserved red boats but not green boats None of These Find the sailor IDs of all sailors who have reserved red boats but not green boats Find the sailor IDs of at least one sailor who have reserved red boats but not green boats Find the sailor Ids of atmost one sailor who have reserved red boats but not green boats ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 2345 456789 1234 6789 2345 456789 1234 6789 ANSWER DOWNLOAD EXAMIANS APP
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