Re: triggers- how to bring updates in one table to another table

2010-01-28 Thread Alexander Kolesen
CREATE TRIGGER sync_t AFTER UPDATE ON table1 FOR EACH ROW UPDATE table2 SET name = NEW.name WHERE id = NEW.id; > i have two tables namely.. table1 and table2, table1 and table2 have the two > columns samely like id and name, by using triggers i have to bring the > updates in table1 to table2, if

Re: SCALING INSERT

2010-01-23 Thread Alexander Kolesen
If you only need very fast INSERTs, you might try to use ARCHIVE storage engine ( http://dev.mysql.com/tech-resources/articles/storage-engine.html ). It was developed for handling INSERTs very fast. Many peoples use it, for example, for storing logs. > Hi list, > > I want to insert 1 records/s

Re: Best way to synchronize two database schemas

2010-01-23 Thread Alexander Kolesen
One of the ways is to keep db scema under revision control system. And update it every N minutes. % crontab -l 0 * * * * mysqldump testdb --no-data > testdb_schema.sql && svn ci -m "db schema: `date`" > /dev/null > I have a two databases, one in a production environment (let's call it > db_prod)

Re: Table advice.

2009-08-01 Thread Alexander Kolesen
Hello. Your query performs a full table scan, because if you match text with '%...' wildcard, MySQL can't using index. Try to use external full-text search engines like Sphinx (http://www.sphinxsearch.com/) or Lucene (http://lucene.apache.org). > I have a database that I am (will) be using to tra