Introduction to SQL The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters." True False True False 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 meeting the full criteria are to be returned. None of these all records with even partial criteria met are to be returned. all columns of the table are to be returned. all records meeting the full criteria are to be returned. None of these all records with even partial criteria met are to be returned. all columns of the table are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? RENAME REVOKE GRANT UPDATE RENAME REVOKE GRANT UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ORDER BY can be combined with the SELECT statements. False True False True 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 DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These 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; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): LIKE only. NOT IN only. Both IN and NOT IN. IN only. LIKE only. NOT IN only. Both IN and NOT IN. IN only. ANSWER DOWNLOAD EXAMIANS APP