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 A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery. 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 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 SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the temperature in increasing order of all cities SELECT city, temperature FROM weather ORDER BY city; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY city; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city FROM weather ORDER BY temperature; ANSWER DOWNLOAD EXAMIANS APP
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