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PHP Database Connection


1. What is the function used to establish a connection to a MySQL database in PHP?

my_sqli_connect()

mysql_connect()

pdo_connect()

mysqli_connect()


2. 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


3. 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


4. Which of the following functions is used to close a database connection in PHP?

mysqli_close()

mysql_close()

pdo_close()

None of the above


5. 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()


6. 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


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

mysqli_commit()

mysql_commit()

pdo_commit()

None of the above


8. Which of the following functions is used to fetch an associative array from a result set in PHP?

mysqli_fetch_assoc()

mysql_fetch_assoc()

pdo_fetch_assoc()

None of the above


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

mysqli_character_set_name()

mysql_character_set_name()

pdo_character_set_name()

None of the above


10. Which of the following functions is used to retrieve the error message associated with the most recent database operation in PHP?

mysql_error()

mysqli_error()

pdo_error()

None of the above