Tag: mysql

Taking mysql dumps is pretty straightforward, but what if you needed to take a dump excluding certain tables? For this, you have two options: 1. use the –ignore-table option: mysqldump -u username -p database –ignore-table=database.table1 –ignore-table=database.table2 > database.sql This works fine as long as you don’t have too much tables to exclude. 2. The second … Continue reading Taking MySQL dumps with a twist

A lot of times, developers are asked to export data from a MySQL database to hand over to a client. In most of the cases, when tools like phpMyAdmin are available, the data is exported through the web tool. But when no such tools are at hand, developers most likely turn to their developers skills … Continue reading Export directly from MySQL to CSV

MySQL and replication, it has always been a touchy subject. Overall, things work properly. Non the less, on a certain project, we experienced regular replication failures: Error ‘Can’t create table ‘db.temp_table’ (errno: -1)’ on query. Default database: ‘db’. Query: ‘CREATE TEMPORARY TABLE temp_table … Basically the errors clearly points out that the temporary MySQL table … Continue reading Mysql temporary tables and replication

A few days ago, I tried to make a backup using the mysqldump command and got the following error: mysqldump: Got error: 1044: Access denied for user ‘root’@’localhost’ to database ‘information_schema’ when using LOCK TABLES A quick workaround is to pass the –-single-transaction option to mysqldump: $ mysqldump –single-transaction -u user -p DBNAME > backup.sql … Continue reading mysqldump: 1044 Access denied when using LOCK TABLES