Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? TRUNCATE COMMIT ROLLBACK DELETE TRUNCATE COMMIT ROLLBACK DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL query and modification commands make up a(n) ________ . HTML DDL DML XML HTML DDL DML XML 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . question mark (?); asterisk (*) underscore(_); question mark (?) asterisk (*); percent sign (%) percent sign (%); underscore (_) question mark (?); asterisk (*) underscore(_); question mark (?) asterisk (*); percent sign (%) percent sign (%); underscore (_) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? JOIN INSERT SELECT DELETE JOIN INSERT SELECT DELETE ANSWER DOWNLOAD EXAMIANS APP