Syntax mysqliselectdb(connection,dbname); Definition and Usage. This function changes the default database. It returns true on success or false on failure. You got the order of the arguments to mysqliselectdb backwards. And mysqlierror requires you to provide a connection argument. MysqliXXX is not like mysqlXXX, these arguments are no longer optional. Note also that with mysqli you can specify the DB in mysqliconnect. Use mysqliconnect, mysqliselectdb, mysqlierror, mysqlifetcharray, mysqli queryo), include, header functions to update the product list of an e- commerce website by giving M% discount on all products. Show the product list with updated price Here, M is the last digit of your ID Just write the backend code in pen paper. For help with your mysqliconnect information, see Find your database hostname. Select the database that you want to access using mysqliselectdb.For example. Mysqliselectdb (mysqli $mysql, string $database): bool Selects the default database to be used when performing queries against the database connection.
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Once you get connection with MySQLi server, it is required to select a particular database to work with. This is because there may be more than one database available with MySQLi Server.
Syntax
Sr.No. | Parameter & Description |
---|---|
1 | db_name Required - MySQLi Database name to be selected |
2 | connection Opencv make doc. Optional - if not specified, then last opened connection by mysqli_connect will be used. |
Example
Mysqli_select_db Syntax
![Error Error](https://otvet.imgsmail.ru/download/25786504_dc77416002d0b7a0ec709351f7121d24.jpg)
Mysqli_select_db Not Working
Here is the example showing you how to select a database.
Mysql Vs Mysqli
If connected and Selected database successfully,then the sample output should be like this −