Introduction to SQL What operator tests column for the absence of data? None of these EXISTS operator NOT operator IS NULL operator None of these EXISTS operator NOT operator IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of a SQL SELECT statement is a(n) ________ . table form report file table form report file ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? COUNT SUM All of these MAX COUNT SUM All of these MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 456789 1234 6789 2345 456789 1234 6789 2345 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the full form of SQL? Structured Query Language Structured Query List None of these Simple Query Language Structured Query Language Structured Query List None of these Simple Query Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. True False True False ANSWER DOWNLOAD EXAMIANS APP
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