I have a mysql master-slave replication setup. when I checked "show slave status", I got the result as "Slave_Sql_running:No" and Last error as "Duplicate entry 'x' on query." But when I tried to ...
What is the fastest method to convert the following query: SELECT COUNT(*) as c FROM tbl_fields WHERE fieldnotes IS NULL GROUP BY fieldno,fieldserial,id,fielddate,fieldsid HAVING COUNT(*) > 1; ...
I have an OLTP database hosted on a SQL Azure instance. I want to pull a copy of the database down from the cloud so I can run some heavy extracts and OLAP-style queries against it without impacting ...
I got a question about 2 databases (oracle 10g) that I have, let's call them A and B. A have some information(in various tables) and I want B to get a partial copy of some tables from A, and ...
Is there a difference between duplication and replication with reference to a database? I am not sure if I am correct at all, but duplication means to me that we are copying bit by bit without ...