Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 456789 2345 1234 6789 456789 2345 1234 6789 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the meaning of LIKE '%0%0%' Feature begins with two 0's Feature has more than two 0's Feature has two 0's in it, at any position Feature ends with two 0's Feature begins with two 0's Feature has more than two 0's Feature has two 0's in it, at any position Feature ends with two 0's ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the name of cities with all entries whose temperature is in the range of 71 and 89 SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 to 89); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: CAPITAL LETTERS. parenthesis -- (...) . brackets -- [...]. braces -- {...}. CAPITAL LETTERS. parenthesis -- (...) . brackets -- [...]. braces -- {...}. 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