Introduction to SQL SQL data definition commands make up a(n) ________ . HTML DDL DML XML HTML DDL DML XML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is a programming language. False True False True 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 The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' SELECT Username, Password FROM Users None of these SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' SELECT Username, Password FROM Users None of these ANSWER DOWNLOAD EXAMIANS APP