Introduction to SQL Which operator performs pattern matching? BETWEEN operator LIKE operator None of these EXISTS operator BETWEEN operator LIKE operator None of these EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DISTINCT DISTINCTIVE DIFFERENT UNIQUE DISTINCT DISTINCTIVE DIFFERENT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard in a WHERE clause is useful when? An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is not possible in a CREATE statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is not possible in a CREATE statement. An exact match is necessary in a SELECT statement. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the meaning of LIKE '%0%0%' Feature has more than two 0's Feature ends with two 0's Feature begins with two 0's Feature has two 0's in it, at any position Feature has more than two 0's Feature ends with two 0's Feature begins with two 0's Feature has two 0's in it, at any position ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000? None of these Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; SELECT name FROM staffinfo WHERE salary IN (10000, 25000); None of these Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; SELECT name FROM staffinfo WHERE salary IN (10000, 25000); ANSWER DOWNLOAD EXAMIANS APP
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