In the header, the method name is always followed by __________.

In PHP-MySQL connectivity, what is the purpose of the @ symbol?

a. error suppression b. connection string c. alternate credentials d. HTTPS instead of HTTP transmission

Which of the following statements is false?

a. A dictionary associates keys with values. Each key maps to a specific value. b. A dictionary’s keys must be mutable (such as strings, numbers or tuples) and unique (that is, no duplicates). c. Multiple keys can have the same value, such as two different inventory codes that have the same quantity in stock. d. All of the above are true.