I am not an expert of MySQL, and I have search a lot about the following problem without finding the solution.
I\'ve been thinking about开发者_开发知识库 my database indexes lately, in the past I just kind of non-chalantly threw them in as an afterthought, and never really put much thought into if they are cor
I have the following setup: Mac Pro with 2 GB of RAM (yes, not that much) MongoDB 1.1.3 64-bit 8 million entries in a single collection
i have a table containing 15+ million records in oracle. its sort of a log table which has a created_ts column of type \"date\" .i havea simple \"non-unique\" type index on created_ts column.
My gut tells me there is no good way to achieve this, but, unlike Mr. Stephen Colbert开发者_如何学运维, I\'d rather trust a community of developers than my gut...
I\'m working on a small project in QT (well, pyQT4 actually, but it shouldn\'t matter too much) and I\'ve run into the following problem. I have a QTableView with several rows and columns. I have set
Is it possible to create unclustered indexes in SQL Server 2005 that are not updated as data is changed (insert/delete/udpate) so I can ensure a stable set of data to report on?
I have created a recursive template for getting the first n number of items from my XML. It uses an index(counter) just like how I would in a for loop. Now how can I get a node from my XML using the
I have a table with a nullable datetime field. I\'ll execute queries like this: select * from TABLE where FIELD is not null
Suppose we have a denormalized table with about 80 columns, and grows at the rate of ~10 million rows (about 5GB) per month.We currently have 3 1/2 years of data (~400M rows, ~200GB).
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