-1
votes
2answers
85 views

What are the possible risks involved in partitioning large database tables? [closed]

There has been much talk about the benefits of table partitioning in Relational DBMS. I would like to know: Are there any risks to table partitioning ? What measures are there to take to minimize ...
5
votes
0answers
195 views

Storing and querying rolling data in PostgreSQL

I have a large quantity of weather model data being put into a PostgreSQL database. The machine has 8 cores and 16 GB of RAM. I'm running PostgreSQL 9.3 with PostGIS 2.1. Each table will have a ...
0
votes
1answer
2k views

Database partitioning - Horizontal and Vertical sharding - Difference between Normalization and Row Splitting?

I am trying to grasp the different concepts of Database Partitioning and this is what I understood of it: Horizontal Partitioning/Sharding: Splitting a table into different tables that will contain a ...
0
votes
0answers
152 views

When to split a large table

I run the SQL Anywhere DBMS, and we have a table of about 10 columns(normal text, timestamps etc). However, in my use-case, every single day, the table gets 2160000 new rows. It's also crucial that ...
13
votes
3answers
2k views

effective mysql table/index design for 35 million rows+ table, with 200+ corresponding columns (double), any combination of which may be queried

I am looking for advice on table/index design for the following situation: I have a large table (stock price history data, InnoDB, 35 million rows and growing) with a compound primary key (assetid ...
3
votes
3answers
993 views

Is it a good practice to apply Vertical Partition to a newly created model?

Suppose you are modeling the ER model for a new Object Oriented Web Application. There is a table with 20 columns, and there are going to be a lot of INSERTs populating 10 columns, and a lot of ...
4
votes
1answer
215 views

MySQL table design of logging tables

I'm not a DBA by any means, but I have a basic understanding of some of the underlying principles of database optomization. Currently we have a table that logs session data, it writes about ...
4
votes
2answers
832 views

Partitioning a table vs moving entries to another table

I don't understand how partitioning helps me more or less than using a separate table to store older records. I need to maintain a list of stock entries along with historical records about the stock. ...
3
votes
2answers
1k views

Separate tables or partition one huge table?

I'm building a rather large table that includes a particular column, my_column. There are a small-ish number of possible values for my_column, and each unique value of my_column should have the same ...
14
votes
4answers
3k views

SQL large table design

I have a general question about SQL Server 2008 table(s) design. We currently have a table that is over 600GB and grows at about 3GB a day. This table has the appropriate indecies but is becoming a ...
15
votes
3answers
4k views

How Does Table Partitioning Help?

I am having difficulty to grab the idea of pros and cons of table partitioning. I am about to start work on a project which would have 8 tables and one of them will be the main data table which will ...
4
votes
1answer
306 views

Proper Database Partitioning

I had asked a previous question "Proper technique for storing users event data" and the correct answer in my opinion was to create a database partition. Now from what I have read on it there are ...
4
votes
2answers
1k views

Creating partitions on a production database

I have a production MySQL 5.1 database that is running well but I want to improve query performances. I have never used Partitions and just going through the manuals. I have two tables that involve a ...