TypeError: tuple indices must be integers, not str
Like the error says, row is a tuple, so you can’t do row[“pool_number”]. You need to use the index: row[0].
database
Authentication plugin ‘caching_sha2_password’ cannot be loaded
You can change the encryption of the user’s password by altering the user with below Alter command : ALTER USER ‘username’@’ip_address’ IDENTIFIED WITH mysql_native_password BY ‘password’; OR We can avoid this error by make it work with old password plugin: First change the authentication plugin in my.cnf file for Linux / my.ini file in Windows: [mysqld] … Read more
What are the differences between B trees and B+ trees?
The image below helps show the differences between B+ trees and B trees. Advantages of B+ trees: Because B+ trees don’t have data associated with interior nodes, more keys can fit on a page of memory. Therefore, it will require fewer cache misses in order to access data that is on a leaf node. The … Read more
How do I quickly rename a MySQL database (change schema name)?
For InnoDB, the following seems to work: create the new empty database, then rename each table in turn into the new database: You will need to adjust the permissions after that. For scripting in a shell, you can use either of the following: OR Notes: There is no space between the option -p and the password. If your … Read more
How do I restore a dump file from mysqldump?
It should be as simple as running this: If the dump is of a single database you may have to add a line at the top of the file: If it was a dump of many databases, the use statements are already in there. To run these commands, open up a command prompt (in Windows) … Read more
Can’t connect to MySQL server on ‘127.0.0.1’ (10061) (2003)
Looks like the mysql server is not started. Look to the official documentation of MySQL how you can start a service under windows. Install the server as a service using this command: C:> “C:\Program Files\MySQL\MySQL Server 5.5\bin\mysqld” –install
Export Pervasive to MySQL (C#)
i’m looking for a way to export whole database from Pervasive 11, send it and import to MySQL server. I’ve tried to export it to xml file but i had problems with import it to MySQL. Any ideas?
Can’t find mysqladmin on Mac OSX 10.6.8
On a Mac, by default, mysql is installed to /usr/local/mysql/ The path to the binaries (mysql, mysqladmin, etc.) should therefore be /usr/local/mysql/bin
Can’t connect to MySQL server on ‘127.0.0.1’ (10061) (2003)
Looks like the mysql server is not started. Look to the official documentation of MySQL how you can start a service under windows. Install the server as a service using this command: C:> “C:\Program Files\MySQL\MySQL Server 5.5\bin\mysqld” –install
How to update multiple columns in single update statement in DB2
The update statement in all versions of SQL looks like: So, the answer is that you separate the assignments using commas and don’t repeat the set