This blog explains how to disable strict sql_mode on a Linux server via command line.
1.The temporary method by command line:
In order to disable or enable the strict mode, firstly need to login to MySQL server using the below command:
mysql -u root -p or mysql
Please note that “STRICT_TRANS_TABLES “ is responsible for setting MySQL strict mode. We need to check whether the strict mode is enabled or not by using the mysql command.
SHOW VARIABLES LIKE 'sql_mode';
While checking the screen shot above we could see that STRICT_TRANS_TABLES variable is present.
If the STRICT_TRANS_TABLES is present then we realized that the sql strict mode is enabled.
To disable the mode run the below command.
set sql_mode='';
Check again whether the mode is disabled or not by the below command.
SHOW VARIABLES LIKE 'sql_mode';
Permanent method via my.cnf config file.
We can disable sql strict mode by editing the mysql configuration file. This method referred as a permanent method to disable the strict mode.
The mysql configuration file location is /etc/my.cnf.
Before making any changes to the mysql configuration file we should take backup of my.cnf file as a security. Please find the below command to make the backup of my.cnf file.
cp -pr /etc/my.cnf /etc/my.cnf.org
In order to disable the strict mode first we need to find out the below entry in my.cnf config file under [mysqld] section.
sql_mode = “STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION”
Replace the line with the below entry. If the line is not present, create it under [mysqld] section.
sql_mode= “”
Then restart the mysql server using the below command.
service mysqld restart
3.Third method to disable strict sql_mode on a linux server
Environment:
MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD} MYSQL_DATABASE: ${MYSQL_DATABASE} MYSQL_USER: ${MYSQL_USER} MYSQL_PASSWORD: ${MYSQL_PASSWORD} command: mysqld --sql_mode="" restart: always
If you are running mysql on docker add command: mysqld –sql_mode=”” on the docker compose file
These are 3 methods for turning off strict sql_mode on a linux server.
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