Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

6. A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid.

A. True
B. False

Show Answer

7. When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement.

A. True
B. False

Show Answer

8. The UNION clause is used to combine the output from multiple queries together into a single result table.

A. True
B. False

Show Answer

9. ROLLBACK WORK asks SQL to empty the log file.

A. True
B. False

Show Answer

10. The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join.

A. True
B. False

Show Answer
Warning: Undefined variable $in_same_cat in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Warning: Undefined variable $excluded_categories in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27