We want to create the equivalent of some materialized views in a read-only slave for really performant reporting. The queries used to generate these tables span 19 tables with a fair number of ...
This might be related to the idea of data warehousing, but i'm not sure, though it is extreme theory. We have a table where records get written to first, let's call it tbl_recording which looks like: ...
Let's assume a query like the following as typical: select A.`date` as `date`, count(*) as N from A as A join B as B on B.id = A.b_id join C as C on C.id = B.c_id join D as D on D.id = ...
I have mysql local database, in it I have sample data mart. I have installed jasperReport server to my computer. Just using this tool, I want connect to the local mysql database and just create a pdf ...
We currently have a MySQL data set that was started about 10 years ago that aggregates a log of data, and accumulates millions of rows each month. The people that developed our system started ...
Astor Data, Greenplum and GridSQL all allow Massive Parallel Processing of SQL queries. They are also all built around PostgreSQL technology. Is this just because of licensing issues or are there ...