When installing mysql, there are two packages: Perl (data:: dumper) and Perl (JSON)

1、 Details

[[email protected] soft]# ls
mysql-community-client-8.0.18-1.el7.x86_64.rpm  mysql-community-devel-8.0.18-1.el7.x86_64.rpm            mysql-community-libs-8.0.18-1.el7.x86_64.rpm         mysql-community-server-8.0.18-1.el7.x86_64.rpm
mysql-community-common-8.0.18-1.el7.x86_64.rpm  mysql-community-embedded-compat-8.0.18-1.el7.x86_64.rpm  mysql-community-libs-compat-8.0.18-1.el7.x86_64.rpm  mysql-community-test-8.0.18-1.el7.x86_64.rpm
[[email protected] soft]# rpm -ivh *
warning: mysql-community-client-8.0.18-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
        perl(Data::Dumper) is needed by mysql-community-test-8.0.18-1.el7.x86_64
        perl(JSON) is needed by mysql-community-test-8.0.18-1.el7.x86_64

2、 terms of settlement

[[email protected] soft]# yum -y install perl
[[email protected] soft]# yum install perl perl-Data-Dumper
[[email protected] soft]# yum install perl perl-JSON

[[email protected] soft]# yum -y install perl
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Package 4:perl-5.16.3-299.el7_9.x86_64 already installed and latest version
Nothing to do
[[email protected] soft]# yum install perl perl-Data-Dumper
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Package 4:perl-5.16.3-299.el7_9.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package perl-Data-Dumper.x86_64 0:2.145-3.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

============================================================================================================================================================================================================================== Package                                                     Arch                                              Version                                                  Repository                                       Size
==============================================================================================================================================================================================================================Installing:
 perl-Data-Dumper                                            x86_64                                            2.145-3.el7                                              base                                             47 k

Transaction Summary
==============================================================================================================================================================================================================================Install  1 Package

Total download size: 47 k
Installed size: 97 k
Is this ok [y/d/N]: y
Downloading packages:
perl-Data-Dumper-2.145-3.el7.x86_64.rpm                                                                                                                                                                |  47 kB  00:00:02     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : perl-Data-Dumper-2.145-3.el7.x86_64                                                                                                                                                                        1/1 
  Verifying  : perl-Data-Dumper-2.145-3.el7.x86_64                                                                                                                                                                        1/1 

Installed:
  perl-Data-Dumper.x86_64 0:2.145-3.el7                                                                                                                                                                                       

Complete!
[[email protected] soft]# yum install perl perl-JSON
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Package 4:perl-5.16.3-299.el7_9.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package perl-JSON.noarch 0:2.59-2.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

============================================================================================================================================================================================================================== Package                                                Arch                                                Version                                                   Repository                                         Size
==============================================================================================================================================================================================================================Installing:
 perl-JSON                                              noarch                                              2.59-2.el7                                                base                                               96 k

Transaction Summary
==============================================================================================================================================================================================================================Install  1 Package

Total download size: 96 k
Installed size: 264 k
Is this ok [y/d/N]: y
Downloading packages:
perl-JSON-2.59-2.el7.noarch.rpm                                                                                                                                                                        |  96 kB  00:00:02     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : perl-JSON-2.59-2.el7.noarch                                                                                                                                                                                1/1 
  Verifying  : perl-JSON-2.59-2.el7.noarch                                                                                                                                                                                1/1 

Installed:
  perl-JSON.noarch 0:2.59-2.el7                                                                                                                                                                                               

Complete!
[[email protected] soft]# rpm -ivh *
warning: mysql-community-client-8.0.18-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:mysql-community-common-8.0.18-1.e################################# [ 13%]
   2:mysql-community-libs-8.0.18-1.el7################################# [ 25%]
   3:mysql-community-client-8.0.18-1.e################################# [ 38%]
   4:mysql-community-server-8.0.18-1.e################################# [ 50%]
   5:mysql-community-test-8.0.18-1.el7################################# [ 63%]
   6:mysql-community-devel-8.0.18-1.el################################# [ 75%]
   7:mysql-community-libs-compat-8.0.1################################# [ 88%]
   8:mysql-community-embedded-compat-8################################# [100%]
[[email protected] soft]#