The Duplication tag covers the topic of duplicated data and the strategies involved in removing the duplicates, often referred to as deduplication or simply dedupe.

learn more… | top users | synonyms

0
votes
1answer
75 views

(My)SQL: management and duplication of multiple sub-databases

I have a pretty simple question, but it seems that there are controversies as to how to solve it in the best possible way. Say I have a web app that makes online surveys. My challenge is that each of ...
1
vote
0answers
140 views

Duplicate GROUP_CONCAT values

Writing a plugin for Wordpress using a custom post type and an additional alias table to hold repetition of the post events. The problem comes with duplicate post meta values. wp_post_meta table: ...
0
votes
0answers
41 views

How to retrieve pkey value in mysql/python on duplicate key update

I'm currently using _mysql library in python. it uses pkey(int, auto increment) value that's created when inserting data using function conn.insert_id() This is how the query is made. INSERT INTO ...
0
votes
0answers
89 views

Synchronization between master and backup server

I am searching for an option to synchronize data between production server and backup server automatically. Does somebody know a method, how I can do this: if I delete, insert or update a record it ...
0
votes
0answers
137 views

Duplication Oracle Database to remote host

I have two scenarios. 1 ) Let's say , I have the same file system and same SID on both nodes. I've created any directories necessary for start the duplicate database. First I used command below. ...
0
votes
0answers
63 views

row locking or avoiding duplicate insertion on primarykey/otherfield combo

i have a table that stores additional data pertaining to files/images saved in files elsewhere, each entry can be associated with another type in the system, for users there may be one or more ...