Introduction to SQL What operator tests column for the absence of data? NOT operator IS NULL operator None of these EXISTS operator NOT operator IS NULL operator None of these EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the meaning of LIKE '%0%0%' Feature ends with two 0's Feature has more than two 0's Feature has two 0's in it, at any position Feature begins with two 0's Feature ends with two 0's Feature has more than two 0's Feature has two 0's in it, at any position Feature begins with two 0's ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: parenthesis -- (...) . brackets -- [...]. braces -- {...}. CAPITAL LETTERS. parenthesis -- (...) . brackets -- [...]. braces -- {...}. CAPITAL LETTERS. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? DELETE REMOVE COLLAPSE ALTER DELETE REMOVE COLLAPSE ALTER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To establish a range of values, < and > can be used. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
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