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 Which SQL keyword is used to sort the result-set? SORT BY ORDER BY SORT ORDER SORT BY ORDER BY SORT ORDER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a valid SQL type? NUMERIC FLOAT CHARACTER All of these NUMERIC FLOAT CHARACTER All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 6789 1234 2345 456789 6789 1234 2345 456789 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
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