indexing

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SQL Server Indexes - Non-Clustered Index on HEAP

We have got 221gb table in our SQL Database, mainly duplicate data. Team has created NON-CLUSTERED index on HEAP. Does really this help in terms of performan开发者_如何转开发nce?[详细]

2023-04-10 20:41 分类：问答
Remove page from Google Listings using robots.txt file

Is this the correct way to do this - below is my txt file, would this prevent Google from indexing my admin d开发者_JS百科irectory as well as oldpage.php?[详细]

2023-04-10 20:12 分类：问答
FullText INDEXING on MyISAM is really slow

I have a table CREATE TABLE `dataFullText` ( `id` int(11) NOT NULL, `title` char(255) NOT NULL, `description` text NOT NULL,[详细]

2023-04-10 19:22 分类：问答
LINQ to Objects and improved perf with an Index?

I am using LINQ to Objects and wonder if it is possible to improve the performance of my queries by making use of an index that I have. This is best explained with an example. Imagine a simple type...[详细]

2023-04-10 15:59 分类：问答
How to index rows like columns in Solr

I have a products table on my database, and a table with features of this products. The features table have 3 columns: id, type and value. Id is 开发者_如何学Pythona foreign key from products.[详细]

2023-04-10 09:44 分类：问答
Does a MySQL index on columns (A,B,C) optimize for queries than just select/order by (A,B) only?

Given a table with columns A,B,D,E,F. I have two queries: one that orders by A then B. one that orders by A, then B, then C[详细]

2023-04-10 02:11 分类：问答
jquery find index() of same node name

I have this setup, just to find the index() of an element, but it should look at elements of the same level with the same nodename.[详细]

2023-04-10 00:35 分类：问答
What SQL indexes should I add for this bloated query?

I\'m wondering if indexes will speed this query up. It takes 9 seconds last time I checked.The traffic table has about 300k rows, listings and users 5k rows.I\'m open to ridicule/humiliation too, if t[详细]

2023-04-09 20:11 分类：问答
Mysql (innodb) index decision for better perfomence

I have a simple table with 1,000,000 rows. this row has a datetime field that I am always quering where statement on it.[详细]

2023-04-09 20:10 分类：问答
Sql Server Index on Bit fields

I am using Sql Server 2000 and want to know why we can not create index on 开发者_JAVA技巧bit fields?Just a limitation of the product. SQL Server 2005+ does allow this.[详细]

2023-04-09 19:31 分类：问答