PHP Mysql Table:Messages idsenderreceivertime_sentMessageSendDel RecDel 1132011-08-17 14:00:00[text]00 2312011-08-17 15:00:00[text]00
SOLVED SEE BELOW I am trying to use both GROUP BY and ORDER BY in my query where I retrieve data sorted by difficulty. I have to use the GROUP BY because of the GROUP CONCAT since some tables such as
I have a MongoDB and I nee开发者_C百科d to order by a field (id), but this field is a string field with a number in it.
This question already has answers here: Closed 11 years ago. Possible Duplicate: Why does MYSQL higher LIMIT offset slow the query down?
When retrieving entries in a database, is there a difference between storing values as a floa开发者_JAVA技巧t or decimal vs. an int when using ORDERBY in a SELECT statement? It depends. You didn\'t sp
ok, lets see if i can explain this. i have a List<Games> _Games = new List<Games>(); which containts 870 Games.
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 export test data into a versioned project. To keep diffs small, I\'d like to order the exported XML data by primary 开发者_运维技巧key.
If I have two tables, First table1 : idname 1John 2Andrew 3Serj 4Mike 5Adam and Second table2 : user_idcountdate
I have a list of posts with associated author_ids, and I\'m selecting a list of posts where each author has at least one published post like this:
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