I'm pretty confused - I'm not too used to using command prompt for anything but I've recently been forced to do it as I'm trying to host my database with Digital Ocean.
I'm currently attempting to transfer my local database onto their servers by using the MySQL 8.0 Command Line Client.
The guide on their website says to use this command:
mysql -u doadmin -p -h mysql-test-do-user-4915853-0.db.ondigitalocean.com -P 25060 your_database_name \
< /path/to/database_file_name.sql
where the first part is the connection string that you get from their website and the second part is the file path on my PC.
I pass the connection string and it gives no errors, indicating to me that it's connecting to my database, but when I try to pass it a file path I get the following errors:
ERROR:
Unknown command '\U'
ERROR:
Unknown command '\J'
ERROR:
Unknown command '\D'
It seems like it's getting these strings from the file path, as if it's not recognising it as a file path but instead throwing errors.
I've tried putting just the file name on its own - nothing happens.
I don't even know the commands to check whether or not the tables have been added to my database.
The guide is not specific as to what the file path should look like.
Can anyone offer guidance? All I want to do is transfer my 6 tables into my new database (and rename the database, preferably).
Thanks,
Jordan
Related
I'm trying to add the employee sample database for practicing with MySQL however there's an error since there's a source command and from what I've found it says that MySQL doesn't support this command anymore.
So, how could I add the complete database without any error?
[this is the code line where the source command is called]
SOURCE is one of the mysql client builtin commands. These are recognized by the mysql client, but not by the MySQL Server's SQL parser.
See https://dev.mysql.com/doc/refman/8.0/en/mysql-commands.html
My Ansible/Rundeck host is an Ubuntu 20.04 LTS system. I installed Ansible to tinker and then installed Rundeck. Once I was able to get the two talking and working properly (in my mind), I thought it would be best to move Rundeck to a production level DB engine instead of H2. I installed MySQL on the same host and setup the DB and the DB user as directed in the Rundeck docs. I then modified the RD properties file as the same document instructs but I keep getting a failure to connect to the database.
First it was this error:
WARN internal.JdbcEnvironmentInitiator - HHH000341: Could not obtain connection metadata : Could not connect to address=(host=10.10.140.23)(port=3306)(type=master) : Socket fail to connect to host:10.10.140.23, port:3306. Connection refused (Connection refused)
So then I researched the issue and it suggested to validate the user account in MySQL, grants, access, etc. - It all works from a command line testing in MySQL.
I read in one of my searches that some people had luck with removing the useSSL=false or setting it to true. That led to my next error of:
WARN internal.JdbcEnvironmentInitiator - HHH000341: Could not obtain connection metadata : Could not connect to address=(host=localhost)(port=3306)(type=master) : RSA public key is not available client side (option serverRsaPublicKeyFile)
During my research on this error, I read that I needed to add a property to allow the retrieval of the RSA keys, and I did but it didn't change a thing.
I then downloaded the Oracle MySQL jdbc driver and placed it in the var/lib/rundeck/lib folder and changed the driver class name in the properties file and then I received my next error of
WARN internal.JdbcEnvironmentInitiator - HHH000341: Could not obtain connection metadata : Could not connect to address=(host=127.0.0.1)(port=3306)(type=master) : (conn=355) Access denied for user 'sa'#'localhost' (using password: YES)
Current charset is UTF-8. If password has been set using other charset, consider using option 'passwordCharacterEncoding'
when I attempted to run Rundeck.
At this point I am back on H2 and I am too much of a Linux novice to understand what the issue may be. Can anyone kindly point me in a direction that helps as the Rundeck docks for using a MySQL DB seem to either be old or missing some content as a lot of the searches I have made on trying to resolve the issue directs me to perform things slight differently or all new commands that the Rundeck docs don't even mention.
I've fixed same issue stopping the Rundeck instance, later adding the following config on the rundeck-config.properties file (at /etc/rundeck path, check this):
# works with allowPublicKeyRetrieval=true
dataSource.url = jdbc:mysql://mysql_server_ip/rundeck?autoReconnect=true&useSSL=false&allowPublicKeyRetrieval=true
dataSource.username=rundeckuser
dataSource.password=your_password
dataSource.driverClassName=com.mysql.cj.jdbc.Driver
# to store projects on backend
rundeck.projectsStorageType=db
Next, flushing the connections on the database side with mysqladmin flush-hosts -u root -p.
Now, starting your Rundeck service, you can check that is using MySQL 8 as a data source for your projects.
EDIT: On the MySQL side, make sure that you've created the user properly, I followed these steps:
CREATE DATABASE rundeck;
CREATE USER 'rundeckuser'#'%' IDENTIFIED BY 'P4ssw0rd';
GRANT ALL PRIVILEGES ON rundeck.* TO 'rundeckuser'#'%';
exit;
Also check how MySQL 8 is storing the user's passwords.
I need to sync the database of a live server to our development system, so I did create a dump with mysqldump, zipped it, piped it to the other server, unzipped it and wanted to import said dump. Quite the no-brainer, right?
mysql -uroot -pPASS DBNAME < dump.sql
This is where the error occurs.
ERROR 1064 (42000) at line 270: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''{\n \"parsed_parameters\":91,\n \"max_result\":[\n {\"time\":5076987.68,\"outp' at line 1
Edit: This does also happen if I use the MySQL CL with source.
This is odd, as every technical aspect of the live system is equal to the dev system, the only difference is the backend and the data in the database.
So I am wondering why I can't insert this dump despite having a comparable database with the same schema as the source.
Edit: Just for testing I created an empty database and got the same error.
But the thing I don't get is, that the process successfully imported exactly 500 rows with similar values. Maybe there is something with this 500 rows threshold?
You need to login first using below cmd
mysql -u <your-username> -p
After click enter it will asking for password please enter it, then using below you can import dump in specific schema.
use <schema-name>;
source database/filepath/dump.sql;
If you have not created schema then create it using below cmd first after login.
create schema your_schema_name;
I'm building a tool using Delphi and MySQL to restore a script generated with MySQLDump.
It was supposed to load and execute a SQL file and log any possible errors into a given output file.
I thought about execute the mysql command line and send command lines but i don't know if its possible ou how to do it since I just know how to call mysql using windows cmd and execute a single command line using ShellExecute or CreateProcess
I tried to do it with a single command line but it did'nt logged the errors properly
I tried this:
cmd /c mysql.exe --user root < "C:\restore.sql" > "C:\restore_log.txt"
the content of restore.sql was:
drop database test;
It does execute my script, but on the second attempt it should log "database doesn't exist" but restore_log.txt was empty
It would help if anyone could point the way to call mysql and send multiple lines OR a help with my cmd line to log properly
Anyone can help me?
I don't know what components you've got available to connect to the MySQL db, but using TADOQuery to access SQL Server, I simply load up the queries into a TADOQuery's .SQL property and then call Open or ExecSQL. As long as it's just vanilla SQL that was generated by SQLDump, I'd guess that should work. It's worth a try anyway.
digging more at stackoverflow I found previous answers that helped, the difference is that the output goes to a Memo that I can save to a file.
Thank you all for the help and the insights.
The answers can be found on the following links:
Getting output from a shell/dos app into a Delphi app
How do I run a command-line program in Delphi?
Getting output from a shell/dos app into a Delphi app
I'm getting the message unable to locate SQL program 'mysql' when I attempt to enter sql mode in Emacs. However, I'm able to access mysql just fine via terminal.
For the record, I'm using user and password as root, server as localhost and a database of my choosing. I just don't know why this is happening.
Ideas?
Emacs uses the directories listed in the exec-path variable to look for programs. You can add to it like so:
(add-to-list 'exec-path "/usr/local/bin")
The following shell command should give you the correct value to use:
dirname `which mysql`