MySQL database connection solution.

Problems with MySQL connection in Linux
1. The installation fails. This may be related to the system. MySQL has been installed in the previous system (when Linux is installed ). Solution: Follow the prompts and then

Rpm-e name -- nodeps

2. you cannot find functions such as POW. Many online users say that you don't need to install a library. You just need to add the LM option to GCC. you can also compile it using G ++. in my opinion, it is actually because of the C compiler we use, and there are several files with the CPP suffix, which is caused by function fragmentation.