Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return exactly 10 rows None of these less than 10 rows more than 10 rows exactly 10 rows None of these less than 10 rows more than 10 rows ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username AND Password FROM Users SELECT Username, Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username AND Password FROM Users SELECT Username, Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as blank for character the same as 0 for integer and blank for character not a value the same as 0 for integer the same as blank for character the same as 0 for integer and blank for character not a value the same as 0 for integer ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP