hi have index simple document where you 开发者_开发知识库have 2 fields: 1. profileId as long 2. profileAttribute as long.
I have a table that has a column called tableNum and another column called deviceNum I would like to group by tableNum, but if tableNum is empty then I would need to group by deviceNum.
In my SQL query I am selecting开发者_如何学JAVA data with GROUP BY and ORDER BY clauses. The table has the same numbers across multiple rows with different times in each row. So I think I want to appl
I\'m wonderin开发者_JAVA百科g how I can use JOIN or LEFT JOIN to group users. users table: id (primary)
I have two tables in my SQL For example Table1 - ItemPrice: DATETIME|ITEM | PRICE 2011-08-28 |ABC123 2011-09-01 |ABC125
I have a set of records with the following structure: {u\'_id\': ObjectId(\'4e60fc677fdfb50fc3000000\'),
I have a table called Call_Data and the data looks like: Arr_DateIntervalHan_TimeSL_Time 2011-03-16 18:39:31.00018301200245
I wanted to get the latest 4 dates for each symbolid. I adapted the code here as follows: set @num := 0, @symbolid := \'\';
This is pretty simple but I\'m at a loss: Given this type of data set: UserInfo(name, metric, day, other_metric)
I have a table like this: ------------- id|A| ------------- |1|2| |1|5| |1|6| |2|6| |2|9| ------------- How can I select all ids that have values of A that don\'t contain certain numbers, like I
加载中,请稍侯......