Introduction to SQL In SQL, which command is used to change a table's storage characteristics? MODIFY TABLE None of these ALTER TABLE CHANGE TABLE MODIFY TABLE None of these ALTER TABLE CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to eliminate a table from a database is: REMOVE TABLE CUSTOMER; UPDATE TABLE CUSTOMER; DROP TABLE CUSTOMER; DELETE TABLE CUSTOMER; REMOVE TABLE CUSTOMER; UPDATE TABLE CUSTOMER; DROP TABLE CUSTOMER; DELETE TABLE CUSTOMER; 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 AND Password FROM Users SELECT Username, Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username AND Password FROM Users SELECT Username, Password FROM Users ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds colors of boats reserved by "Dustin"? SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND r.bid = b.bid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid AND r.bid = b.bid; SELECT DISTINCT b.color FROM boats b, sailors s WHERE s.sname = 'Dustin' AND s.sid = b.sid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND r.bid = b.bid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid AND r.bid = b.bid; SELECT DISTINCT b.color FROM boats b, sailors s WHERE s.sname = 'Dustin' AND s.sid = b.sid 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
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