Introduction to SQL Which SQL statement is used to delete data FROM a database? COLLAPSE DELETE ALTER REMOVE COLLAPSE DELETE ALTER REMOVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The FROM SQL clause is used to... specify range for search condition specify what table we are selecting or deleting data FROM specify search condition None of these specify range for search condition specify what table we are selecting or deleting data FROM specify search condition None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a DBMS. an operating system. a programming language. a data sublanguage. a DBMS. an operating system. a programming language. a data sublanguage. 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, 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 s.sid = r.sid 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 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 s.sid = r.sid 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 r.bid = b.bid ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: all records with even partial criteria met are to be returned. None of these all records meeting the full criteria are to be returned. all columns of the table are to be returned. all records with even partial criteria met are to be returned. None of these all records meeting the full criteria are to be returned. all columns of the table are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DISTINCT DIFFERENT DISTINCTIVE UNIQUE DISTINCT DIFFERENT DISTINCTIVE UNIQUE ANSWER DOWNLOAD EXAMIANS APP