PHP Database Connection

1.		Which of the following functions is used to execute a query in PHP?

mysqli_query()

mysql_query()

pdo_query()

None of the above

2.		Which of the following functions is used to set the character set for the database connection in PHP?

pdo_set_charset()

mysql_set_charset()

mysqli_set_charset()

None of the above

3.		Which of the following functions is used to retrieve information about the most recent query performed on the database connection in PHP?

mysqli_info()

mysql_info()

pdo_info()

None of the above

4.		Which of the following is the correct syntax to connect to a MySQL database in PHP?

$conn = mysqli_connect("localhost", "username", "password", "database_name");

$conn = mysql_connect("localhost", "username", "password", "database_name");

$conn = pdo_connect("localhost", "username", "password", "database_name");

None of the above

5.		Which of the following functions is used to commit a transaction in PHP?

mysqli_commit()

mysql_commit()

pdo_commit()

None of the above

6.		Which of the following functions is used to begin a transaction in PHP?

mysqli_begin()

mysql_begin()

pdo_begin()

None of the above

7.		the following functions is used to escape special characters in a string for use in an SQL statement in PHP?

mysqli_real_escape_string()

mysql_real_escape_string()

pdo_real_escape_string()

None of the above

8.		Which of the following functions is used to roll back a transaction in PHP?

mysqli_rollback()

mysql_rollback()

pdo_rollback()

None of the above

9.		Which of the following functions is used to return the number of rows in a result set in PHP?

mysqli_num_rows()

mysql_num_rows()

pdo_num_rows()

None of the above

10.		Which of the following functions is used to fetch a row as an object from a result set in PHP?

mysqli_get_object()

mysql_fetch_object()

pdo_fetch_object()

mysqli_fetch_object()