I\'m currently stuck trying to get the average value of groups of n rows using MySQL. I have a MySQL table (data_conso) composed of columns in the following format :
Ok so I have a table Tasks -- TaskId(unique autoinc primary) ChildOf(Contains task ID of parent, or 0 if top tier (no parent))
I have a query that updates a boolean value for a given record, then inserts that record into another table (depending on the action performed) using a sele开发者_StackOverflowct subquery. The select
I\'m a MySQL user. I have two queries, and I wish to compare their results for equality. I would like to do this with a single query which would return true or false, so each of my two queries would m
I have the following tables in my game\'s database: rankedUp (image_id, user_id, created_at) globalRank (image_id, rank )
I have a model (say Requirement), which has three foreign keys model1_id, model2_id and model3_id. Other than these, I have a value attribute in the Requirement model.
I have a legacy database that I am working with a basic column layout as such: SampleID CompanyID CompanyApplication
I often see something like...开发者_运维问答 SELECT events.id, events.begin_on, events.name FROM events
SQL Server 2005. I have a stored procedure which accepts a few parameters that may or may开发者_如何学编程 not actually have data passed to them.So they may come through as an empty string, or they m
I\'ve run into some confusing behavior in Analysis Services 2005 (and 2008 R2) and would appreciate it if someone could explain why this is happening. For the sake of this question, I\'ve reproduced t
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