Introduction to SQL Which of the following group functions ignore NULL values? COUNT MAX SUM All of these COUNT MAX SUM All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is a programming language. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: create database structures only. All of these modify database data only. query database data only. create database structures only. All of these modify database data only. query database data only. 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 9 5 10 0 9 5 10 0 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 2345 6789 456789 1234 2345 6789 456789 1234 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: as a wildcard. to limit the columns displayed. None of these for ranges. as a wildcard. to limit the columns displayed. None of these for ranges. ANSWER DOWNLOAD EXAMIANS APP
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