The default port of 1.mysql is 3306. You can edit the my.cnf file in the user directory to modify it.

2. The default port number of 2.sqlserver is:1433;

3. The default port number of 3.oracle is:1521;

4. The default port number of 4.DB2 is: 5000;

5. The default port number of 5.PostgreSQL is: 5432.

relational database

Mysql_fetch_array () is? An extended version of mysql_fetch_row (). In addition to storing data in an array through a numerical index, you can also store data as an associative index and use the field name as the key name.