Introduction to SQL Which of the following SQL commands is used to retrieve data? SELECT DELETE INSERT JOIN SELECT DELETE INSERT JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The benefits of a standard relational language include which of the following? All of these Reduced training costs Increased dependence on a single vendor Applications are not needed All of these Reduced training costs Increased dependence on a single vendor Applications are not needed 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; 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; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard in a WHERE clause is useful when? An exact match is not possible in a CREATE statement. An exact match is necessary in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. An exact match is necessary in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a SELECT statement. 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 FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY city; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY temperature; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ________ was adopted as a national standard by ANSI in 1992. SQL Microsoft Access DBase Oracle SQL Microsoft Access DBase Oracle ANSWER DOWNLOAD EXAMIANS APP
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