1
vote
1answer
27 views

MySQL: Merge Same Database on Several Location into Single Location

I have registration form, which exactly same for several location. Each of them has REG column, which this field is unique for each row. Basically each data input have different REG number for it, ...
1
vote
1answer
29 views

Merge a table into an existing one

I know how to JOIN two tables as create a new table out of the results, using CREATE TABLE result_table AS ( SELECT * FROM tableA JOIN tableB ). I forgot to include some columns from the JOIN in the ...
3
votes
0answers
72 views

3 table merge with some condition

I am new to this forum and I am learning mysql with the help of online resources, currently I am trying to compare and merge table with some conditions Fiddle These are my tables; ...
0
votes
0answers
60 views

Merge Similar Schema from one MySQL DB to Another

I have two databases (db1 and db2). db2 has all tables from db1 but not necessarily the same columns. I want to move any missing columns in db2 from tables in db1 but keep the rest unchanged. ...
0
votes
0answers
69 views

Merging Large Database Tables Quickly

So I found this other post; Merge multiple tables in a database And that's the general idea, but at an insanely large scale. Anyway -- Over the years, Our site has adapted and three different things ...
1
vote
1answer
140 views

Equivalent of MRG_MYISAM in databases other than MySQL? [closed]

Does anyone know if other database have something equivalent to MRG_MYISAM (aka the MERGE table type/storage engine)? I know about fragmenting, but this is not quite the same AFAIK. We're using ...
1
vote
1answer
169 views

Is there a way to write intelligent queries against a merge table in MySQL that represents a bunch of tables partitioned by date?

I have a set of MySQL tables that are partitioned by date, with a merge table representing all of them. For the query I am writing, the results are joined by date, so rows in table A_2012-12-05 will ...
3
votes
0answers
96 views

Once in a while synchronization of the independently updated mysql databases problem

I have a production database and a test database running on MySQL with MyISAM and InnoDB tables, which are updated independently. The Production database is updated by system and sometimes by a user. ...