Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. False True False True 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
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return less than 10 rows None of these more than 10 rows exactly 10 rows less than 10 rows None of these more than 10 rows exactly 10 rows ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Hi Nothing TRUE FLASE Hi Nothing TRUE FLASE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints 0 9 10 5 0 9 10 5 ANSWER DOWNLOAD EXAMIANS APP
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