Introduction to SQL SQL data definition commands make up a(n) ________ . HTML XML DML DDL HTML XML DML DDL ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the name of all cities with their temperature, humidity and countries. SELECT city, temperature, humidity, country FROM location; SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity, country FROM weather, location; SELECT city, temperature, humidity, country FROM location; SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity, country FROM weather, location; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; None of these SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; None of these SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - SYSDATE FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints bc gh ab 23 bc gh ab 23 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? UPDATE RENAME REVOKE GRANT UPDATE RENAME REVOKE GRANT ANSWER DOWNLOAD EXAMIANS APP
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