I am new to using mysql and i am trying to backup a mysql database using mysqldump.
So this is what i have done so far:-
I ssh'ed into my VM and run mysql to get into the mysql CLI
Then i ran the command mysql> SHOW DATABASES; which gives me the following output :-
information|
| rap_songs|
| celebrities|
Now i am trying to backup my rap songs database and i run the following command :-
mysql> mysqldump -u root -p rap_songs > rap_songs_backup.sql
But nothing happens after this step. What am i doing wrong? Any help will be appreciated. thank you.
Run mysqldump in SSH terminal not in mysql terminal
For all database::
mysqldump --all-databases --single-transaction -u root -p > /all_databases.sql
For one database (rap_song in this case)::
mysqldump -u root -p rap_songs > /your_backup.sql
Now you need to go to / to see your files, mysqldump usually show nothing once its done terminal again avail for new cmd. So if terminal is again avail it means its done!
Non-root user | Permission denied error!
Don't use /your_backup.sql
use ~/your_backup.sql instead
~/ is your user data directory
Mysqldump without password
You can create a .my.cnf in ~/
[mysqldump]
user=mysqluser
password=userpass
Then chmod 600 ~/.my.cnf
now in your script or crontab don't mention -p or --password and when your cron or script execute it will automatically pick password from here
Okay so I had to run this query in order to circumvent the errors :-
mysqldump --complete-insert --routines --triggers --single-transaction
rap_songs> rap_songs_backup.sql
I have file.sql, and I want to restore it. I found this command:
mysql -u username -p database_name < file.sql
Where should I put 'file.sql' in file system? I'm using Windows and XAMPP. Thank you.
*) The dump file is 3GB++
you should navigate to dump file location and run mysql -u username -p database_name < file.sql
for example if your file is at c drive you can open terminal type cd \ (this will go to root folder if your windows is installed on c dirve) and run the above command
There are a little different to do this on Windows.
Create a bat file, contains mysql database backup command text.
Create a task in Windows Task Schedule to execute this bat file.
Then you could config this task as your wish, and do restore.
1: Backup Database.
#ECHO OFF
set filename=%date:~0,4%%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%%time:~6,2%
"C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqldump.exe" -uroot -p123456 -hlocalhost databaseName > C:\Danny\MySql-BackUp\databaseName-%filename%.sql
Format Explain:
mysqldump.exe –e –u[username] -p[password] -h[hostname] [database name] > C:[filename].sql
Run batch file, you will get a sql file contains all database info.
2:Restore database using backup sql.
Get into Mysql root path in CMD, and execute below command:
C:\Program Files\MySQL\MySQL Server 5.7\bin>mysql.exe -uroot -p123456 -hlocalhost databaseName < C:\Danny\MySql-BackUp\databaseName-201801311848321.sql
I have copy of .sql file that contains large data. I saved it from phpmyadmin while I was using WAMP for development. Now I am working with CentOS, and I have transferred the data to my VirtualBox running CentOs already.
So, the problem is not about transferring the file but running the .sql file using shell, so the data can be transferred to the new mysql server.
Does anyone know any commands?
Initially I thought moving this entire directory:
C:\wamp\bin\mysql\mysql5.5.24\data
To my new server environment would be a good idea, but I can't seem to find where the data folder is kepyt in centos-mysql.
whereis mysql gives mysql: /usr/bin/mysql /usr/lib/mysql /usr/share/mysql /usr/share/man/man1/mysql.1.gz
I have checked all this folders to find the data folder but to no avail.
if you created the .sql file with mysqldump or if it is otherwise a legal mysql script containing sql commands you can simply pipe this contents to your centOs mysql instance:
$ mysql -uroot -p dbname < dump.sql
where dbname is the name of your database and dump.sql your .sql file.
Follow these steps:
1- In your Windows Environment, from command line(CMD), go to the folder:
cd "C:\wamp\bin\mysql\mysql5.5.24\bin
2- Run: mysqldump -uroot -pYourPassword DataBaseName > myBackup.sql
3- On your centOs machine, open a terminal:
mysql -uroot -p
4- In mysql console:
create database DataBaseName;
exit;
5- Transfer the myBackup from your Windows System, to centOS, open a terminal in
the same directory where myBackup.sql lives:
mysql -uroot -p DataBaseName < myBackup.sql
How can I import a database with mysql from terminal?
I cannot find the exact syntax.
Assuming you're on a Linux or Windows console:
Prompt for password:
mysql -u <username> -p <databasename> < <filename.sql>
Enter password directly (not secure):
mysql -u <username> -p<PlainPassword> <databasename> < <filename.sql>
Example:
mysql -u root -p wp_users < wp_users.sql
mysql -u root -pPassword123 wp_users < wp_users.sql
See also:
4.5.1.5. Executing SQL Statements from a Text File
Note: If you are on windows then you will have to cd (change directory) to your MySQL/bin directory inside the CMD before executing the command.
Preferable way for windows:
Open the console and start the interactive MySQL mode
use <name_of_your_database>;
source <path_of_your_.sql>
mysql -u <USERNAME> -p <DB NAME> < <dump file path>
-u - for Username
-p - to prompt the Password
Eg. mysql -u root -p mydb < /home/db_backup.sql
You can also provide password preceded by -p but for the security reasons it is not suggestible. The password will appear on the command itself rather masked.
Directly from var/www/html
mysql -u username -p database_name < /path/to/file.sql
From within mysql:
mysql> use db_name;
mysql> source backup-file.sql
Open Terminal Then
mysql -u root -p
eg:- mysql -u shabeer -p
After That Create a Database
mysql> create database "Name";
eg:- create database INVESTOR;
Then Select That New Database "INVESTOR"
mysql> USE INVESTOR;
Select the path of sql file from machine
mysql> source /home/shabeer/Desktop/new_file.sql;
Then press enter and wait for some times if it's all executed then
mysql> exit
From Terminal:
mysql -uroot -p --default-character-set=utf8 database_name </database_path/database.sql
in the terminal type
mysql -uroot -p1234; use databasename; source /path/filename.sql
Below command is working on ubuntu 16.04, I am not sure it is working or not other Linux platforms.
Export SQL file:
$ mysqldump -u [user_name] -p [database_name] > [database_name.sql]
Example : mysqldump -u root -p max_development > max_development.sql
Import SQL file:
$ mysqldump -u [user_name] -p [database_name] < [file_name.sql]
Example: mysqldump -u root -p max_production < max_development.sql
Note SQL file should exist same directory
I usually use this command to load my SQL data when divided in files with names : 000-tableA.sql, 001-tableB.sql, 002-tableC.sql.
for anyvar in *.sql; do <path to your bin>/mysql -u<username> -p<password> <database name> < $anyvar; done
Works well on OSX shell.
Explanation:
First create a database or use an existing database. In my case, I am using an existing database
Load the database by giving <name of database> = ClassicModels in my case and using the operator < give the path to the database = sakila-data.sql
By running show tables, I get the list of tables as you can see.
Note : In my case I got an error 1062, because I am trying to load the same thing again.
mysql -u username -ppassword dbname < /path/file-name.sql
example
mysql -u root -proot product < /home/myPC/Downloads/tbl_product.sql
Use this from terminal
After struggling for sometime I found the information in https://tommcfarlin.com/importing-a-large-database/
Connect to Mysql (let's use root for both username and password):
mysql -uroot -proot
Connect to the database (let's say it is called emptyDatabase (your should get a confirmation message):
connect emptyDatabase
3 Import the source code, lets say the file is called mySource.sql and it is in a folder called mySoureDb under the profile of a user called myUser:
source /Users/myUser/mySourceDB/mySource.sql
Open the MySQL Command Line Client and type in your password
Change to the database you want to use for importing the .sql file data into. Do this by typing:
USE your_database_name
Now locate the .sql file you want to execute.
If the file is located in the main local C: drive directory and the .sql script file name is currentSqlTable.sql, you would type the following:
\. C:\currentSqlTable.sql
and press Enter to execute the SQL script file.
If you are using sakila-db from mysql website,
It's very easy on the Linux platform just follow the below-mentioned steps, After downloading the zip file of sakila-db, extract it. Now you will have two files, one is sakila-schema.sql and the other one is sakila-data.sql.
Open terminal
Enter command mysql -u root -p < sakila-schema.sql
Enter command mysql -u root -p < sakila-data.sql
Now enter command mysql -u root -p and enter your password, now you have entered into mysql system with default database.
To use sakila database, use this command use sakila;
To see tables in sakila-db, use show tables command
Please take care that extracted files are present in home directory.
First connect to mysql via command line
mysql -u root -p
Enter MySQL PW
Select target DB name
use <db_name>
Select your db file for import
SET autocommit=0; source /root/<db_file>;
commit;
This should do it. (thanks for clearing)
This will work even 10GB DB can be imported successfully this way. :)
In Ubuntu, from MySQL monitor, you have already used this syntax:
mysql> use <dbname>
-> The USE statement tells MySQL to use dbname as the default database for subsequent statements
mysql> source <file-path>
for example:
mysql> use phonebook;
mysql> source /tmp/phonebook.sql;
Important: make sure the sql file is in a directory that mysql can access to like /tmp
If you want to import a database from a SQL dump which might have "use" statements in it, I recommend to use the "-o" option as a safeguard to not accidentially import to a wrong database.
• --one-database, -o
Ignore statements except those those that occur while the default
database is the one named on the command line. This filtering is
limited, and based only on USE statements. This is useful for
skipping updates to other databases in the binary log.
Full command:
mysql -u <username> -p -o <databasename> < <filename.sql>
For Ubuntu/Linux users,
Extract the SQL file and paste it somewhere
e.g you pasted on desktop
open the terminal
go to your database and create a database name
Create database db_name;
Exit Mysql from your terminal
cd DESKTOP
mysql -u root -p db_name < /cd/to/mysql.sql
Enter the password:....
Before running the commands on the terminal you have to make sure that you have MySQL installed on your terminal.
You can use the following command to install it:
sudo apt-get update
sudo apt-get install mysql-server
Refrence here.
After that you can use the following commands to import a database:
mysql -u <username> -p <databasename> < <filename.sql>
The simplest way to import a database in your MYSQL from the terminal is done by the below-mentioned process -
mysql -u root -p root database_name < path to your .sql file
What I'm doing above is:
Entering to mysql with my username and password (here it is root & root)
After entering the password I'm giving the name of database where I want to import my .sql file. Please make sure the database already exists in your MYSQL
The database name is followed by < and then path to your .sql file. For example, if my file is stored in Desktop, the path will be /home/Desktop/db.sql
That's it. Once you've done all this, press enter and wait for your .sql file to get uploaded to the respective database
There has to be no space between -p and password
mysql -u [dbusername] -p[dbpassword] [databasename] < /home/serverusername/public_html/restore_db/database_file.sql
I always use it, it works perfectly. Thanks to ask this question. Have a great day. Njoy :)