Can someone look at the linked reference and explain to me the precise statements to run? Oracle DBA\'s Guide: Creating a Large Index
I have a mysql table with 9 million records that doesn\'t have any indices set.I need to join this to another table based on a common ID.I\'m going to add an index to this ID, but I also have other fi
I like to think I know enought theory, but I have little experience optimizing DB in real world. I would like to know points of view, thoughts or experiences.
When I choose an image and push upload, I get this error in my controller: Notice (8): Undefined index:File [APP/controllers/garage_car_images_controller.php, line 22]
I have a classifieds website, with approx 30 categories of classifieds. I am on the stage where I have to build MySQL tables and index them with SOLR.
I\'m in a situation where I have to improve the performance of about 75 stored procedures (created by someone else) used for reporting.The first part of my solution was creating about 6 denormalized t
(Note that this situation isn\'t exactly how it is, but I made this as an example) I have an entity in a table with data that is updated every 5 seconds (Kinematic Data: Speed, Heading, Lat, Long, an
I have this database that I\'m designing. It needs to contain a couple dozen tables with records that we provide (a bunch of defaults) as well as records that the user can add. In order to keep the u
Using SQL Server 2005. This is something I\'ve noticed while doing some performance analysis. I have a large table with about 100 million rows. I\'m comparing the performance of different indexes on
From some arbitrary position in a string I need to find the closest position of a character to the left of 开发者_开发知识库my position. If I want to perform this operation to the right I could just u
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