It only takes a minute to sign up. Grab all the id's, pick a random one from it, and retrieve the full row. Share Follow answered Oct 20, 2018 at 15:55 Elliott Brossard 30.5k 2 64 96 Thanks. Let's prime the random number generator (with a "seed") so that the sequence is repeatable, then use OFFSET to pick which 10. It seems the possibilities not even. something like One way that i find pretty good if there's an autogenerated id is to use the modulo operator '%'. Note that this gets only the ids and gets them in random order. Actually most, maybe all, of the techniques in that link involve a full scan. To select first 10 elements from a database using SQL ORDER BY clause with LIMIT 10. Having more than 1 row is easy since you can create the Id using python and do one request for each row, but since they are cached, it's ok. This is especially efficient on MyISAM (since the COUNT(*) is instant), but even in InnoDB it's 10 times more efficient than ORDER BY RAND(). gets you a random 10. 2. tablename. It has to be random but in that table I have only 5 rows. This approach does not guarantee 10 rows; but if the query is run enough times the average number of rows per execution will be around 10 and each row in the table will be selected evenly. A quick improvement over "table scan" is to use the index to pick up random ids. Cannot connect remotely to a SQL Server named instance. //Took 0.0014secs against a table of 130 rows, //Took 0.0042secs against a table of 130 rows, //Took 0.0040secs against a table of 130 rows. Read about it here: How can i optimize MySQL's ORDER BY RAND() function? This solution discriminates the 'edge rows' with the highest and the lowest random_sortorder, so rearrange them in intervals (once a day). All Rights Reserved. And then the single value from the expression will be used in the outer query. The assumption is that there are no gaps in the record id's although I doubt it would affect the result if there were (haven't tried it though). At the same time, it is very handy. Ready to optimize your JavaScript with Rust? Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, MySQL select random row - rand() performance. Specify the table name from which the random data will come. Examples of frauds discovered because someone tried to mimic a random sequence. I found this hack in the book SQL Antipatterns from Bill Karwin. Indexing should be applied on the table if its large. As I said at the end of my answer @edwardaa, it only really works if you want a single row. Specifing a Sharded Collection with Spring Data MongoDB. Usually it is completely fine to cache these X random rows for 1 second (or even 10 seconds). To get a more random distribution, you'd need to have RAND() evaluated just one time. For example, you may want to show random blog posts or images on your website. I don't want to repeat myself but again, that's full table scan. id is the primary key, sorted by id, Almost every answer on Stack Overflow for this is terrible on moderately complex or large real data - https://stackoverflow.com/questions/4329396/mysql-select-10-random-rows-from-600k-rows-fast. SELECT column_name FROM table_name ORDER BY RANDOM() LIMIT 1; Select random row from table in Microsoft SQL Server SELECT TOP 1 column_name FROM table_name ORDER BY NEWID(); Select random row from table in Oracle Difference between using REFERENCES with and without FOREIGN KEY? MySQL select rows by range using ROW_NUMBER() function. How do I import an SQL file using the command line in MySQL? The main idea here is that we don't sort, but instead keep two variables and calculate the running probability of a row to be selected on the current step. The query to create a table is as follows: mysql> create table generateRandomRow -> ( -> Id int NOT NULL AUTO_INCREMENT, -> Name varchar(20), -> Age int, -> PRIMARY KEY(Id) -> ); Query OK, 0 rows affected (1.66 sec) You can also apply a where clause like so, EDIT: The offset might take a value close to the end of the table, which will result in the select statement returning less rows (or maybe only 1 row), to avoid this we can check the offset again after declaring it, like so. Enter your required column names from where you want to retrieve the random rows. @Hassaan riedsio's answer gives 1 row, this one gives you n rows, as well as cuts down on the I/O overhead for querying. For most general case, here is how you do it: This supposes that the distribution of ids is equal, and that there can be gaps in the id list. How do I make MySQL auto increment in random order? 'Then run your new select statement offsetting it by the random value. MySQL select 10 random rows from 600K rows fast A great post handling several cases, from simple, to gaps, to non-uniform with gaps. The reason for the skewing is that id's following such holes will have a higher chance of being picked than ones that follow another id. Not the answer you're looking for? Selecting Rows Randomly from a Large Table on MSDN has a simple, well-articulated solution that addresses the large-scale performance concerns. i didn't see your answer before i posted mine but i made it more clear here, @ZOLDIK it seems that you pick the first 10 rows after offset. That's full table scan + filesort + tmp table = bad performance. Doing the union helps you fit everything into 1 query so you can avoid doing multiple queries. MYSQL Select One Random record from each Category, quick selection of a random row from a large table in mysql, How to fetch entire row as array of objects with JDBC, SQL Query optimization to avoid temporary table, MySQL select 10 random rows from 600K rows fast. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. There is however another solution which is fast but also has a trade off when it comes to randomness, but may suit you better. The syntax is as follows. Is it cheating if the proctor gives a student the answer key by mistake and the student doesn't report it? Can i put a b-link on a standard mount rear derailleur to fit my direct mount frame, I'm calculating and saving the max. Wouldn't reccomend it for huge tables though, NOT IN is kind of slow. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, (That's actually 5 techniques -- some were not improvements.). SELECT * FROM questions WHERE question_id NOT IN (SELECT question_id FROM student_answers WHERE student_id = '5') ORDER BY RAND () LIMIT 10; I have assumed that there is 3 tables. mysql: avoid writing outfile if no records are found, I'm trying to set up a table in mysql, but keep getting an error and can't figure out the correct way to fix it, Having trouble with the output/structure of a nested Array in PHP and MySQL. It also lets you save the overhead of calculating MAX(id). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Besides performance, it's also far from perfectly random; you're ordering by the product of the id and a random number, rather than simply ordering by a random number, which means that rows with lower ids are going to be biased towards appearing earlier in your results set. Fetch 100 rows and get random 10 rows using this query. MySQL does not have any built-in statement to select random rows from a table. In SSRS is there a way to copy formatting between cells? rev2022.12.11.43106. I'm solving the problem by adding another column to the table, populated with contiguous numbers, starting from 1 (edit: this column is added to the temporary table created by the subquery at runtime, doesn't affect your permanent table): In the article i can see he went to great lengths to optimize the code; i have no ideea if/how much my changes impact the performance but works very well for me. In MySQL, use: select . Why do we use perturbative series if they don't converge? I was thinking about the same solution, please tell me, is it faster then the others method ? https://www.warpconduit.net/2011/03/23/selecting-a-random-record-using-mysql-benchmark-results/#comment-1266. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You could use modulo as a first pass filter to lower the cost of an ORDER BY RAND operation. Concurrency will kill you. but this will probably not be the case. Then use this number as an offset you need to make sure each row has an even chance of being selected. SELECT * FROM questions WHERE question_id NOT IN (SELECT question_id FROM student_answers WHERE student_id = '5') ORDER BY RAND() LIMIT 10; I expect that student_id is the primary key of student table and foreign key of student_answer table. So yes, sorting the entire file is ridiculous. Then use this number as an offset Question is how random do you need it to be. This is fast because the sort phase only uses the indexed ID column. The student_is is brought from session or somewhere. Also try to run that query in 200 req/s webpage. The inner query does a full table scan and sorts the results. Depending on the quantity of times you access the random value, it is not worthy to use MySQL, just because you won't be able to cache the answer. A great post handling several cases, from simple, to gaps, to non-uniform with gaps. If you want one random record (no matter if there are gapes between ids): Source: https://www.warpconduit.net/2011/03/23/selecting-a-random-record-using-mysql-benchmark-results/#comment-1266. select l.data_id as whole How to print column names as count of rows in mysql? How to Select Random Records in MySQL Sometimes you may need to pick random rows from your database table, for the purpose of inspection or displaying on your website. Should I store an image in MongoDB or in local File System (by Node.js), Easy way to Sync Data between MongoDB and Apache Solr, Order results to match the order of values in a WHERE IN expression, Chaining JSON_EXTRACT with CAST or STR_TO_DATE fails. You can see this behaviour in the explain: If you are getting 100 req/s, is it really needed that each visitor gets random rows? You can see this behaviour in the explain: SELECT * FROM tbl ORDER BY RAND() LIMIT 10: SELECT * FROM tbl AS t1 JOIN (SELECT id FROM tbl ORDER BY RAND() LIMIT 10) as t2 ON t1.id=t2.id, Weighted Version: https://stackoverflow.com/a/41577458/893432, I am getting fast queries (around 0.5 seconds) with a slow cpu, selecting 10 random rows in a 400K registers MySQL database non-cached 2Gb size. random. you have to do this 10 times. Is it possible to hide or delete the new Toolbar in 13.1? How if you want to get 10 rows with "LIMIT 10"? When I was interviewing with Facebook back in 2010, they asked me how to select a random record from a huge file of unknown size, in one reading. Example1: Retrieve Random Rows From Single Column. A great post handling several cases, from simple, to gaps, to non-uniform with gaps. I used this http://jan.kneschke.de/projects/mysql/order-by-rand/ posted by Riedsio (i used the case of a stored procedure that returns one or more random values): In the article he solves the problem of gaps in ids causing not so random results by maintaining a table (using triggers, etcsee the article); When would I give a checkpoint to my D&D party that they can return to if they die? EXPLAIN table_with_600k_rows, find that row does not scan the entire table. First get the maximum record id: Where max is the maximum record id in the table and n is the number of rows you want in your result set. Is it possible to hide or delete the new Toolbar in 13.1? number between 0 and the count. Basically if you randomly select a number in the gaps, it will just pick the next id. rev2022.12.11.43106. Another simple solution would be ranking the rows and fetch one of them randomly and with this solution you won't need to have any 'Id' based column in the table. MySQL Select rows that from table01 that doesn't exist on table02, Select random rows but without duplicates of values from another column, Select corresponding rows from another table for each row in first table in mysql, MySQL select rows from left join with specific number of distinct values in one column but without total row limit, select multiple rows from mysql and sent to jquery post function in php, PHP Select rows from MySQL then compare one column with a String using Similar Text, Fast way to select random rows from table based on sum of a field. left join datatable dt on dt.id = l.data_id To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This is fast because the sort phase only uses the indexed ID column. Also if the system that writes to the DB creates sets of rows in batches you might not get such a random result as you where expecting. To implement the algorithm it looks like you are attempting to achieve, I'd approach it something like this: In MySQL, the inline views (derived tables in the MySQL parlance) will be materialized first, before the outer query. 525,415 Solution 1. I want to pinpoint another speed-up possibility - caching. What properties should my fictional HEAT rounds have to punch through heavy armor and ERA? SELECT name FROM random AS r1 JOIN (SELECT (RAND () * (SELECT MAX (id) FROM random . ;). SQL Query that selects only one duplicate record, based on the highest date value in that record, getting an error while fetching page title from database using codeigniter php, All Sum Results under a single group by function as static conditions, Sub Total is not getting the changed value from database to input box, flutter and json : NoSuchMethodError: The method '[]' was called on null, Find second highest highest query doesn't work, Cannot get edit page. The syntax is as follows: SELECT * FROM yourTableName ORDER BY RAND () LIMIT 1; To understand the above syntax, let us create a table. This solution is in O(1) where the solution, no, because in the link posted for the accepted solution, there is other methods, I want to know if this solution is faster then the others, other ways, we can try to find another, that's why Iam asking, any way, +1 for your answer. Ready to optimize your JavaScript with Rust? I guess although it's very neat for a single row, for ten rows like the OP asked you'd have to call it ten separate times (or come up with a clever tweak that escapes me immediately). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. And while your answer works, it will generate the random 10 rows (provided I write limit 10) that are consecutive and I wanted more randomness so to speak. See the article for more advanced examples. For the. Most engaging questions postgresql. Syntax:-SELECT column1, column2. Indexes are helpful for very specific things, and this query is not one of them. Now that i think so, if you need random rows every time you call it, this is useless. See here my code: Fast selection of random rows in MySQL, Still another technique that avoids problems found in the preceding ORA-06550 wrong number or types of arguments when calling Oracle stored procedure, SQL IN operator for multiple columns from different tables, How to wait for dbms_scheduler jobs to finish, How to merge consecutive date range Oracle. You can rewrite it like "SELECT id, url FROM pages WHERE id IN (SELECT id FROM pages ORDER BY rand() LIMIT 10)", Your technique still does a table scan. It does not work, if the generated random number for select is bigger than any random number in the database. This will cause a mass amount of MySQL usage and, at least for me, MySQL is the biggest problem to optimize. If you need 10 use some sort of union to generate 10 unique rows. How to select rows from a table with identical but random values in a column without knowing that value with only one query? I like it because does not require other tables, it is simple to write, and it is very fast to execute. To achieve this idea i've created a random rank with group_id + '-' + a random number and named it rand_rank in a subquery. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Is there a higher analog of "category with all same side inverses is a groupoid"? e.g. Here is a game changer that may be helpfully for many; I have a table with 200k rows, with sequential id's, I needed to pick N random rows, so I opt to generate random values based in the biggest ID in the table, I created this script to find out which is the fastest operation: Based in this results, order desc is the fastest operation to get the max id, mysql sql random. MOSFET is getting very hot at high frequency PWM. For most general case, here is how you do it: This supposes that the distribution of ids is equal, and that there can be gaps in the id list. The ROW_NUMBER() is a window function in MySQL that assigns a sequential number to each row. How do I set a default value for an HStore field in a Ruby on Rails fixtures YAML file? SELECT * FROM tbl AS t1 JOIN (SELECT id FROM tbl ORDER BY RAND () LIMIT 10) as t2 ON t1.id=t2.id This query on a 200K table takes 0.08s and the normal version (SELECT * FROM tbl ORDER BY RAND () LIMIT 10) takes 0.35s on my machine. this example will help you mysql select random records. We have a button there to access a random page, and a user could click in there several times per minute if he wants. Assuming the gaps are uniformly distributed, this shouldn't be a problem. Combine the answer of @redsio with a temp-table (600K is not that much): And then take a version of @redsios Answer: If the table is big, you can sieve on the first part: Version: You could keep the table tmp_randorder persistent, call it datatable_idlist. If you order by random, you're going to have a terrible table-scan on your hands, and the word quick doesn't apply to such a solution. MySQL select random 10 rows from 5-mysql. With the ORDER BY, you're going to get the lowest. So the query is returning a set that is more weighted to the lower PhotoID values. I needed a query to return a large number of random rows from a rather large table. id= t2. Are the S&P 500 and Dow Jones Industrial Average securities? Can we keep alcoholic beverages indefinitely? Just create an extra column, random_number, and set it's default to RAND(). you need to execute that 10 times. Connect and share knowledge within a single location that is structured and easy to search. Migrate database from Sql Server 2008 to MySql? Finding the original ODE using a solution. When using this caching you can use also some of the slower solution for getting the random data as it will be fetched from MySQL only once per second regardless of your req/s. Dual EU/US Citizen entered EU on US Passport. The full article addresses issues like unequal distributions and repeated results. It's really a big problem and not easy to solve fulfilling all the requirements, MySQL's rand() is the best you can get if you really want 10 random rows. Floor will be 0 and rand 0+1 = 1. id > rand will not return anything (1 > 1) If random returns 0.999*****. I store all the answers in another table named user_answer. varOFFSET = rnd * varcount. You need to use rand () function to select random result from MySQL. I've looked through all of the answers, and I don't think anyone mentions this possibility at all, and I'm not sure why. how to select random and unique records from mysql (in php language), Select random database records between subset of records having the same count(*) in a query. Recreate that table in certain intervals (day, hour), since it also will get holes. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. I know it is not what you want, but the answer I will give you is what I use in production in a small website. To learn more, see our tips on writing great answers. Do you have to set limit to 10 and then iterate 10 times with, Random requires an equal chance for any result, in my mind. I created the sql with MySQL: 'Get the number of possible rows in the table. you need to make sure each row has an even chance of being selected. . alternatives is to count the rows in the data set and return a random How to find the boundaries of groups of contiguous sequential numbers? specifically, if you have a gap at the start of your IDs the first one will get picked (min/max-min) of the time. Mathematica cannot find square roots of some matrices? A great post handling several cases, from simple, to gaps, to non-uniform with gaps. Find centralized, trusted content and collaborate around the technologies you use most. Document updates using mongo-ruby-driver? Radial velocity of host stars and exoplanets. I think here is a simple and yet faster way, I tested it on the live server in comparison with a few above answer and it was faster. SELECT * FROM (SELECT * FROM employee LIMIT 100) `a` ORDER BY RAND () LIMIT 10; Or you can create a table where you can store the first 100 rows and select random 10 rows from it. Generate random string/characters in JavaScript. I can't imagine any scenario where this can be guaranteed. How to select 1 random row from the latest 30 rows in MySql? All rights reserved. Select Random Rows in MySQL SELECT column_name1, column_name2, column_nameN FROM table_name ORDER BY RAND () LIMIT 20; Another way that is more efficient way of selecting random rows in MySQL SELECT column_name1, column_name2, column_nameN FROM table_name AS t1 JOIN ( SELECT id FROM table_name ORDER BY RAND () LIMIT 20) as t2 ON t1. I'm running MySQL 5.5.38 on Windows 2008, 32GB, dual 3GHz E5450, and on a table with 17,361,264 rows it's fairly consistent at ~.03 sec / ~11 sec to return 1,000,000 rows. You might be able to get rows faster, but with more load on your system. Use this solution when you cant assume contiguous key values and Zorn's lemma: old friend or historical relic? http://jan.kneschke.de/projects/mysql/order-by-rand/. mysql> create table Clients - > ( - > Client_Id int NOT NULL AUTO . I have one table (questions) with 54 questions. See the article for more advanced examples. In pure SQL I'd probably do something like this, assuming you save the answers for each 10 answers. Index that column. :) Thank you. Generate a Random-Value in your Application (I'll call it $rand). Or if you don't mind the overhead of calling it multiple times. you will learn display a random row from a database in php with mysql. Once you come up with an idea, it is easy to generalize it for selecting multiple records. DECLARE @N INT = 5 --Any random number SELECT * FROM (SELECT ROW_NUMBER() OVER . We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. You can do this by using following query. The query to create a table is as follows. tahts what i said. Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. How would you create a standalone widget from this widget tree? And so if I select: SELECT m.* FROM names m,names n order by rand() limit 10. Hi Joe. Don't do that, nor should you order by a GUID, it has the same problem. alternatives is to count the rows in the data set and return a random Do one call to your MySQL: With your min and max Id, you can, in your server, calculate a random number. How to add column alias to subquery in select statement? How can I best write a query that selects 10 rows randomly from a total of 600k? Why is Singapore currently considered to be a dictatorial regime and a multi-party democracy by different publications? I would go another approach, where you can store in cache the answer. I was only thinking about the need to get random rows from a set to do some research. I use hypen so the rand rank becomes to string and sorting is . The ORDER BY clause sorts all rows in the table by the random number generated by the RAND () function. SELECT * FROM Table1 WHERE (ABS (CAST ( (BINARY_CHECKSUM (*) * RAND ()) as int)) % 100) < 10 Share Improve this answer answered Sep 5, 2012 at 22:23 Kyle McClellan 2,009 1 13 8 Very interesting. id; I improved the answer @Riedsio had. Postgres Interval not working with native spring data JPA query, Using boolean expression in order by clause, pg gem: 'Warning: no type cast defined for type "numeric" ', flask-migrate cannot drop table because other objects depend on it. How do I randomly select ONE row in MySQL? ORDER BY RAND() function taking long time to execute in mysql, php randomly select records from database. The following is an example. Here is my answer to the question: FYI: To get 10 random rows from a 200k table, it took me 1.78 ms (including all the operations in the php side). How to use PHP to display 50 random images from hundreds? https://stackoverflow.com/a/41577458/893432, TabBar and TabView without Scaffold and with fixed Widget. This is super fast and is 100% random even if you have gaps. Also, I'd prefer not to execute multiple queries (three separate SELECT statements) when I can get the work done in a single statement, and without user-defined variables. when querying the data set. The following query selects a random row from a database table: SELECT * FROM table_name ORDER BY RAND () LIMIT 1; Code language: SQL (Structured Query Language) (sql) Let's examine the query in more detail. This is the most efficient query I can find on a large, uniformly distributed table with gaps (tested on getting 1000 random rows from a table that has > 2.6B rows). Can several CRTs be wired in parallel to one oscilloscope circuit? In fact the chance that the first ID after the biggest gap getting picked is actually the highest. Then when you want to retrieve a row generate a random number in your code (PHP, Perl, whatever) and compare that to the column. In python: Then, with your random number, you can get a random Id in your Table: In this method you do two calls to your Database, but you can cache them and don't access the Database for a long period of time, enhancing performance. however this is NOT really random because your keys will most likely not be distributed evenly. In this particular case keys should not lack gaps, but over time this may change. Getting a random value from a JavaScript array. QGIS Atlas print composer - Several raster in the same layout. order by num desc limit 10 How to skip the first n rows in sql query. If you want utmost simplicity and speed, at a minor cost, then to me it seems to make sense to store a random number against each row in the DB. SELECT column FROM table ORDER BY RAND () LIMIT 10. This fills in the gaps. To select last 10 rows from MySQL, we can use a subquery with SELECT statement and Limit concept. This is fast because the sort phase only uses the indexed ID column. Another way would be getting all the question ID's and keeping track of them in the application. If you know the id's are sequential without holes, you can just grab the max and calculate a random id. which will basically ensure that you get a random number in the range of your keys and then you select the next best which is greater. Do bracers of armor stack with magic armor enhancements and special abilities? Making statements based on opinion; back them up with references or personal experience. Error using mysql and javascript, SQL compare multiple columns in different tables, Codeigniter cannot get data from mysql table, how to group by a field that has both select and count, Multiple dynamic drop down select menus not working - PHP MySQL Jquery, Java batch which never gets finished due to getting blocked at java.lang.System.exit(int), Calculate Sum of Values from calculation done on MySQL Query Result in Python. See the article for more advanced examples. To understand the above syntax, let us create a table. Syntax The following is a syntax to select random records from a database table: SELECT * FROM table_name ORDER BY RAND () LIMIT N; How is Jesus God when he sits at the right hand of the true God? question - Hold all questions student_answers - hold student specific answers of each question. This can be simplified in this query: If the result of dividing target rows by total available is not an integer, you will have some extra rows than what you asked for, so you should add a LIMIT clause to help you trim the result set like this: This does require a full scan, but it is faster than ORDER BY RAND, and in my opinion simpler to understand than other options mentioned in this thread. follow bellow step for mysql get random row with code examples. Note that this is not random if you have holes in your table. Thanks. Select all rows from a table where a value is NOT found? @G.Adnane its not quicker or slower then the accepted answer, but the accepted answer assumes equal distribution of id's. In SQL server, use: select top 10 . The query to create a table is as follows. Optimising a SELECT query that runs slow on Oracle which runs quickly on SQL Server, Finding #temp table in sysobjects / INFORMATION_SCHEMA. Depending on your application, this might matter a lot or very little. Designed by Colorlib. ORDER BY RAND () LIMIT N; . Use this solution when you cant assume contiguous key values and 1. column_name. How to check if widget is visible using FlutterDriver. I had a scenario where the main table I wanted a random row from had 5 million rows, and quite a lot of joins, and after trying most approaches in this question this was the kludge that I settled on. The only draw back is the fact that you traded space for speed, which seems like a fair deal in my opinion. Ideally you pick the random value in your code, but unhex(md5(rand())) is a quick hack that should produce a random 16 byte string: I suspect you are seeing that small range of values because RAND() (in the WHERE clause) is being evaluated for every row in the table. In order to accomplish this, you use the RAND () function. How does legislative oversight work in Switzerland when there is technically no "opposition" in parliament? How can i optimize MySQL's ORDER BY RAND() function? Any disadvantages of saddle valve for appliance water line? You can also use the symbol (*) to get the random data from all the columns of a table. MySQL does not provide any built-in statement for returning the random rows from a database table. I was using the samething, there is a case when you want to get x number of rows but the offset goes to the end of the table which will return
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