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 statement is used to delete data FROM a database? ALTER DELETE COLLAPSE REMOVE ALTER DELETE COLLAPSE REMOVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: for ranges. to limit the columns displayed. as a wildcard. None of these for ranges. to limit the columns displayed. as a wildcard. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: CAPITAL LETTERS. brackets -- [...]. parenthesis -- (...) . braces -- {...}. CAPITAL LETTERS. brackets -- [...]. parenthesis -- (...) . braces -- {...}. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities with temperature, condition and humidity whose humidity is in the range of 63 to 79 SELECT * FROM weather WHERE humidity NOT IN (63 AND 79) SELECT * FROM weather WHERE humidity IN (63 to 79) SELECT * FROM weather WHERE humidity NOT BETWEEN 63 AND 79 SELECT * FROM weather WHERE humidity BETWEEN 63 AND 79 SELECT * FROM weather WHERE humidity NOT IN (63 AND 79) SELECT * FROM weather WHERE humidity IN (63 to 79) SELECT * FROM weather WHERE humidity NOT BETWEEN 63 AND 79 SELECT * FROM weather WHERE humidity BETWEEN 63 AND 79 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return more than 10 rows less than 10 rows None of these exactly 10 rows more than 10 rows less than 10 rows None of these exactly 10 rows ANSWER DOWNLOAD EXAMIANS APP