limit

How to SUM() from an offset through the end of the table?

If SELECT SUM(amount) FROM transactions ORDER BY order LIMIT 0, 50 sums the amount field for the first 50 records in a table, how do a sum all records after the first 50? In other words, I'd like to do something like SELECT SUM(amount) from transactions ORDER BY order LIMIT 50, *, but that doesn't work. ...

MYSQL - Group by limit

Hello Is there a simple way to LIMIT the GROUP BY results to the top 2. The following query returns all the results. Using 'LIMIT 2' reduces the overall list to the top 2 entries only. select distinct(rating_name), id_markets, sum(rating_good) 'good', sum(rating_neutral)'neutral', sum(rating_bad) 'bad'...

LIMIT then RAND rather than RAND then LIMIT

I'm using full text search to pull rows. I order the rows based on score (ORDER BY SCORE) , then of the top 20 rows (LIMIT 20), I want to rand (RAND) the result set. So for any specific search term, I want to randomly show 5 of the top 20 results. My workaround is code based- where I put the top 20 into an array then randomly select 5....

SQL: Limit rows linked to each joined row

Hello, I've certain situation that requires certain result set from MySQL query, let's see the current query first & then ask my question: SELECT thread.dateline AS tdateline, post.dateline AS pdateline, MIN(post.dateline) FROM thread AS thread LEFT JOIN post AS post ON(thread.threadid = post.threadid) LEFT JOI...

PHP - How to display other values, when a query is limited by 3?

Hello. Can anyone tell me how to display the other values, when a query is limited my 3. In this question I asked how to order and limit values, but now I want to show the others in another query. How would I go about doing this? Here's the code I used before: $query = "SELECT gmd FROM account ORDER BY gmd DESC LIMIT 3"; $result = mysq...

how to limit network bandwidth for testing (win7, virtualbox)

Hi! I develop ASP.NET application on Windows 7 machine (IIS 7.5). I need to limit network bandwidth to test my AJAX GUI. What kind of software could you recommend for those cases: a) I deploy my app to the remote IIS box and try to limit bandwidth of my network connection in Windows 7. b) I deploy my app to the IIS installed on Win7 an...

Maximum number of records in a MySQL database table

What is the upper limit of records for MySQL database table. I'm wondering about autoincrement field. What would happen if I add milions of records? How to handle this kind of situations? Thx! ...

JPQL / SQL: How to select * from a table with group by on a single column?

I would like to select every column of a table, but want to have distinct values on a single attribute of my rows (City in the example). I don't want extra columns like counts or anything, just a limited number of results, and it seems like it is not possible to directly LIMIT results in a JPQL query. Original table: ID | Name |...

Limit number of results per screen

Hi all, I need modify this code (is a search engine) http://www.gamarod.com.ar/javascript/ejemplos/85-buscador-javascript-search-javascript.htm ...I need that the user choose the amount of result per screen Please help me! Thanks. ...

Subsonic 3.0 Query limit with MySQL c#.net LinQ

Hello, a quick question which may or may not be easily answered. Currently, in order to return a limited result set of data to my calling reference using SubSonic I use a similar function as below: _DataSet = from CatSet in t2_aspnet_shopping_item_category.All() join CatProdAssignedLink in t2_aspnet_shopping_li...

Is there a way to LIMIT results per group of result rows in MySQL?

Hi, I have the following query: SELECT title, karma, DATE(date_uploaded) as d FROM image ORDER BY d DESC, karma DESC This will give me a list of image records, first sorted by newest day, and then by most karma. There is just one thing missing: I want to only get the x images with the highest karma per day. So for example, per day I...

HTML5 localStorage restrictions and limits

HTML5's localStorage databases are usually size-limited — standard sizes are 5 or 10 MB per domain. Can these limits be circumvented by subdomains (e.g. example.com, hack1.example.com and hack2.example.com all have their own 5 MB databases)? And is there anything in the standard that specifies whether parent domains can access their chil...

Best approach to limit users to a single node of a given content type in Drupal

I need to limit users to a single node of a given content type. So a user can only create one node of TypeX. I've come up with two approaches. Which would be better to use... 1) Edit the node/add/typex menu item to check the database to see if the user has already created a node of TypeX, as well as if they have permissions to create it...

How can I implement a download rate limited in Java?

Hello, I'm going to implement a (simple) downloader application in Java as a personal exercise. It is going to run several jobs in different threads, in a way that I will be downloading a few files at the same time at all times during execution. I want to be able to define a download rate limit that is shared between all the download j...

How to read more than 256 columns from an excel file (2007 format) using OLEDB

I'm trying to import a excel file with more than 256 columns using OLEDB in C#. I tried all kinds of things, but it doesn't seem to be possible to read more than 256 columns from a excel (2007 format) file. I'm wondering if it's a bug or I'm simply missing something. Here is the connection string I used: Provider=Microsoft.ACE.OLEDB.12....

Limiting landscape views in UITabBarController containing UINavigationController

I have a tab bar application that contains navigation views in 2 of its tabs. I would like 1 view in the 1 navigation controller to allow landscape view but because of the nav bar in tab bar limitation I now have to allow landscape views for every single view in my app to make the tilt messages get passed to my app which I don't want. I...

twitter api post rate limit

Does anyone know Twitter's rate limit on posting? Looking at their web page they claimed to not have one but I get an exception thrown if my program posts too fast... Any help is appreciated. ...

Displaying SQL results using PHP

Hi, I have an SQL query that returns an amount of tuples (about 50). Now I need to display the results, 15 tuples at a time, then I will have a "view more" button to view the next 15 results. Can you please help me how I can make this? The issue is that I cannot use the 'limits' because each time I run the query the results will be dif...

How do I export a large table into 50 smaller csv files of 100,000 records each

I am trying to export one field from a very large table - containing 5,000,000 records, for example - into a csv list - but not all together, rather, 100,000 records into each .csv file created - without duplication. How can I do this, please? I tried SELECT field_name FROM table_name WHERE certain_conditions_are_met INTO OUTFILE ...

Can you name a single popular database that doesn't support LIMIT statement?

Drupal uses db_query_range() for the reason that not all databases support LIMIT, can you name a few? ...