I have Post and Tag models: class Tag(models.Model): \"\"\" Tag for blog entry \"\"\" title= models.CharField(max_length=255, unique=True)
I had a Linq query against my Entity Framework model that was something like: from e1 in context.Entity1
I have 6 tables: CREATE TABLE IF NOT EXISTS `s开发者_StackOverflow社区bpr_groups` ( `id` int(11) NOT NULL AUTO_INCREMENT,
I have 2 tables as the following - CREATE TABLE IF NOT EXISTS `nl_members` ( `member_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
i am creating a application as URL Counter. i have created a table to store url and its count. CREATE TABLE [dbo].[tblurlcounter](
I am new to databases.If I m开发者_如何转开发ake a primary key with two columns, userId and dayOfWeek.How can I search this primary key?
I\'m trying to iteratively optimize a slow MySQL query, which means I run the query, get timing, tweak it, re-run it, get timing, etc.The problem is that the timing is non-stationary, and later execut
XML <Data> <Language Name=\"ru-Ru\"> <Item Id=\"1\">value</Item> <Item Id=\"2\">value2</Item>
I am currently maintaining a significant number of SQL queries. Some of them are created by copy/paste operations, then removing unnecessary fields and sometimes forgetting to remove the tables where
When optimizing this query: SELECT DISTINCT Order FROM OrderItem which plans would the different RDBMS engines build and which wou开发者_C百科ld be the most efficient?It will depend on the indexing
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