Introduction to SQL Which SQL statement is used to delete data FROM a database? ALTER COLLAPSE DELETE REMOVE ALTER COLLAPSE DELETE REMOVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat? SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; None of These SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; None of These ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of a SQL SELECT statement is a(n) ________ . form file report table form file report table ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which one of the following sorts rows in SQL? GROUP BY ALIGN BY SORT BY ORDER BY GROUP BY ALIGN BY SORT BY ORDER BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The ADD command is used to enter one row of data or to add multiple rows as a result of a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
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