Certificate application process:
centos6 is the host that needs certificate services, centos7 is the server
1, establish a CA
1, [[emailprotected] ~]# tree /etc/pki/CA
/etc/pki/CA
├── certs
├─
Tag: Establishment
MySQL needs attention when establishing index optimization
1, create an index
is dominant for queries For applications, the index is particularly important. In many cases, the performance problem is simply because we forgot to add an index, or because w
PowerDesigner software creates a new model.
li> Open PowerDesigner software, select menu file->create new model, or click Keyboard ctrl+N
The Create New Model window pops up, and the model type is Object- Oriented Model, select Class
PowerDesigner connects Mysql, establishing a reverse engineering diagram – Mysql’s ODBC establishment
anywhere else Solved, there was a problem in the last step, and an exception was prompted:
In the legend, programmers like to use powerDesign for database modeling. Usually, the physical mode
PowerDesigner establishes a connection with SQL Server collaboration (壹)
There are many descriptions of PD on the Internet, so I won’t repeat them here. PD is very cool to use, but after you are familiar with the tool, if you are not familiar with it, I hope you will li