Introduction to SQL Which of the SQL statements is correct? 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 SELECT Username AND Password FROM Users ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ON UPDATE CASCADE ensures which of the following? Data Integrity Normalization All of these Materialized Views Data Integrity Normalization All of these Materialized Views ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is not a value the same as 0 for integer and blank for character the same as 0 for integer the same as blank for character not a value the same as 0 for integer and blank for character the same as 0 for integer the same as blank for character ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column. False True False True ANSWER DOWNLOAD EXAMIANS APP