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  • SQL Server 2008, join or no join?

    - by Patrick
    Just a small question regarding joins. I have a table with around 30 fields and i was thinking about making a second table to store 10 of those fields. Then i would just join them in with the main data. The 10 fields that i was planning to store in a second table does not get queried directly, it's just some settings for the data in the first table. Something like: Table 1 Id Data1 Data2 Data3 etc ... Table 2 Id (same id as table one) Settings1 Settings2 Settings3 Is this a bad solution? Should i just use 1 table? How much performance inpact does it have? All entries in table 1 would also then have an entry in table 2. Small update is in order. Most of the Data fields are of the type varchar and 2 of them are of the type text. How is indexing treated? My plan is to index 2 data fields, email (varchar 50) and author (varchar 20). And yes, all records in Table 1 will have a record in Table 2. Most of the settings fields are of the bit type, around 80%. The rest is a mix between int and varchar. The varchars can be null.

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  • How can I do this with LINQ?

    - by Liam
    All I'm after doing is this: SELECT CallTypeID, Count(CallTypeID) as NumberOfCalls FROM [Helpdesk_HR].[dbo].[CallHeader] WHERE CallHeader.DateOpened <= GETDATE()-7 GROUP BY CallTypeID in LINQ. But I can't work out a way of doing it and getting it to work. I would use Linqer, but my company won't pay for it at present. Any help is greatly appreciated as I'm sure the answer is obvious. It's just been one of those days today.

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  • Using LINQ to fetch result from nested SQL queries

    - by Shantanu Gupta
    This is my first question and first day in Linq so bit difficult day for me to understand. I want to fetch some records from database i.e. select * from tblDepartment where department_id in ( select department_id from tblMap where Guest_Id = @GuestId ) I have taken two DataTable. i.e. tblDepartment, tblMap Now I want to fetch this result and want to store it in third DataTable. How can I do this. I have been able to construct this query up till now after googling. var query = from myrow in _dtDepartment.AsEnumerable() where myrow.Field<int>("Department_Id") == _departmentId select myrow; Please provide me some link for learning Linq mainly for DataTables and DataSets. EDIT: I have got a very similar example here but i m still not able to understand how it is working. Please put some torch on it.

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  • How to select the top n from a union of two queries where the resulting order needs to be ranked by individual query?

    - by Jedidja
    Let's say I have a table with usernames: Id | Name ----------- 1 | Bobby 20 | Bob 90 | Bob 100 | Joe-Bob 630 | Bobberino 820 | Bob Junior I want to return a list of n matches on name for 'Bob' where the resulting set first contains exact matches followed by similar matches. I thought something like this might work SELECT TOP 4 a.* FROM ( SELECT * from Usernames WHERE Name = 'Bob' UNION SELECT * from Usernames WHERE Name LIKE '%Bob%' ) AS a but there are two problems: It's an inefficient query since the sub-select could return many rows (looking at the execution plan shows a join happening before top) (Almost) more importantly, the exact match(es) will not appear first in the results since the resulting set appears to be ordered by primary key. I am looking for a query that will return (for TOP 4) Id | Name --------- 20 | Bob 90 | Bob (and then 2 results from the LIKE query, e.g. 1 Bobby and 100 Joe-Bob) Is this possible in a single query?

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  • FullText Search using multiple tables in SQL

    - by Caesar
    Hi there. I have 3 tables, tblBook(BookID, ISBN, Title, Summary) tblAuthor(AuthorID, FullName) tblBookAuthor(BookAuthorID, BookID, AuthorID) tblBookAuthor allows for a single book to have multiple authors and an author may have written any number of books. I am using full text search to search for ranking base on a word: SET @Word = 'FORMSOF(INFLECTIONAL, "' + @Word + '")' SELECT COALESCE(ISBNResults.[KEY], TitleResults.[KEY], SummaryResults.[KEY]) AS [KEY], ISNULL(ISBNResults.Rank, 0) * 3 + ISNULL(TitleResults.Rank, 0) * 2 + ISNULL(SummaryResults.Rank, 0) AS Rank FROM CONTAINSTABLE(tblBook, ISBN, @Word, LANGUAGE 'English') AS ISBNResults FULL OUTER JOIN CONTAINSTABLE(tblBook, Title, @Word, LANGUAGE 'English') AS TitleResults ON ISBNResults.[KEY] = TitleResults.[KEY] FULL OUTER JOIN CONTAINSTABLE(tblBook, Summary, @Word, LANGUAGE 'English') AS SummaryResults ON ISBNResults.[KEY] = SummaryResults.[KEY] The above code works fine for just searching tblBook table. But now I would like to search also the table tblAuthor based on key word searched. Can you help me with this?

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  • Linq to sql, summing timespan?

    - by DaRKoN_
    I have a time field in a mssql 2008 database that I want to do something to the effect of: Timespent = x.sum(x => x.AmountOfTime); Where AmountOfTime is a time MSSQL field. Sum seems to only work on decimals, how can I add these columns?

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  • Linked servers SQLNCLI problem. "No transaction is active"

    - by Felipe Fiali
    Im trying to execute a stored procedure and simply insert its results in a temporary table, and I'm getting the following message: The operation could not be performed because OLE DB provider "SQLNCLI" for linked server "MyServerName" was unable to begin a distributed transaction. OLE DB provider "SQLNCLI" for linked server "MyServerName" returned message "No transaction is active.". My query looks like this: INSERT INTO #TABLE EXEC MyServerName.MyDatabase.dbo.MyStoredProcedure Param1, Param2, Param3 Exact column number, names, the problem is not the result. MSDTC is allowed and started in both computers, Remote procedure calling too. The machines are not in the same domain, but I can execute remote queries from my machine and get the result. I can even execute the stored procedure and see its results, I just can't insert it in another table. Help, please? :)

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  • Regex expresion in MS SQL

    - by adopilot
    I do not not know much about Regex, I want to try parsing sting from database according to flowing instructions. I know that I am need to use CLR but for begin I want to learn Regex Data in tables look like create table #tempTBL (opis varchar(40)) go insert into #tempTBL select 'C 136' union select 'C 145' union select 'C146' union select 'AK C 182' union select 'C 277' union select 'C-240' union select 'ISPRAVKA PO C 241' And select sting looks like Select reverse( rtrim( ltrim( replace( (substring (reverse(opis) ,0 ,charindex( 'C',reverse(opis) ) ) ) ,'-',' ') ) ) ) as jci from #tempTBL How should looks like my C# code to I repeat this using regex

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  • Parralelization in Microsoft SQL Server 2008 R2

    - by stan31337
    We have a specific accounting and production software, called 1C, which uses single user connection to the MS SQL 2008 R2 database. And there are about 500 users connecting to 1C server to perform their tasks. 1C and SQL 2008 are on separate servers. How to configure MS SQL 2008 R2 to effectively use parallelization in this configuration? We have 24 cores, and only one is loaded at 100% at MS SQL 2008 R2 server. We have already configured MS SQL max parallelizm from this MSDN article: http://msdn.microsoft.com/en-us/library/ms181007(v=sql.105).aspx Thank you!

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  • SQL Max Group By Query Help

    - by Hcabnettek
    Hi All, I have a quick question. How do I select the two values I need in one query? Currently I'm doing this, which works fine, but it's obviously running two queries when one should do the trick. I tried MAX(columnA) and GROUP BY ColumnB, but that returns multiple row. I only want one row returned. DECLARE @biID bigint , @dtThreshold DateTime SELECT @biID = MAX(biID) FROM tbPricingCalculationCount WITH (NOLOCK) SELECT @dtThreshold = dtDateTime FROM tbPricingCalculationCount WITH (NOLOCK) WHERE biID = @biID I would like both those variables to be set correctly in one query. How can I do that? Thanks, ~ck

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  • To store images in SQL or not?

    - by Brett
    Generally, I had thought it was always better to store images in the filesystem and link to it via the database entry. However, I am trying to optimize my db design and am having a few questions. My images are all really small thumbmails in black and white (not greyscale, but true B&W) and are 70x70 in size. If we take the images (which is basically a 2D array of 1 and 0), it can be stored as binary data that would be approximately 600 bytes each. So my question is whether querying the 600 bytes stored in a db would be faster than querying a link followed by accessing the filesystem; assuming there are a lot of "image" queries being made. Does anyone have any experience with this area? If it matters, I am using MySQL, and MonetDB (separately, but have the same question for both). Many thanks, Brett

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  • Can't get heroku work with rails 3.x postgresql

    - by framomo86
    I followed Heroku official guides to push rails project to heroku. The application.rb file is ok, I added pg gem and database.yml in the right way. When I push to heroku I get: -----> Preparing app for Rails asset pipeline Detected manifest.yml, assuming assets were compiled locally But when I open heroku via heroku open I get an error. I put heroku logs and get this. Started GET "/" for 93.45.227.255 at 2012-10-11 13:28:04 +0000 2012-10-11T13:28:04+00:00 app[web.1]: Processing by ProductsController#index as HTML 2012-10-11T13:28:04+00:00 app[web.1]: : SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull 2012-10-11T13:28:04+00:00 app[web.1]: ActiveRecord::StatementInvalid (PG::Error: ERROR: relation "products" does not exist 2012-10-11T13:28:04+00:00 app[web.1]: LINE 4: WHERE a.attrelid = '"products"'::regclass 2012-10-11T13:28:04+00:00 heroku[router]: GET gift4.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=203ms status=500 bytes=643 2012-10-11T13:28:04+00:00 app[web.1]: ): 2012-10-11T13:28:04+00:00 app[web.1]: ON a.attrelid = d.adrelid AND a.attnum = d.adnum 2012-10-11T13:28:04+00:00 app[web.1]: 2012-10-11T13:28:04+00:00 app[web.1]: 2012-10-11T13:28:04+00:00 app[web.1]: ^ 2012-10-11T13:28:04+00:00 app[web.1]: 2012-10-11T13:28:04+00:00 app[web.1]: Completed 500 Internal Server Error in 72ms 2012-10-11T13:28:04+00:00 app[web.1]: FROM pg_attribute a LEFT JOIN pg_attrdef d 2012-10-11T13:28:04+00:00 app[web.1]: WHERE a.attrelid = '"products"'::regclass 2012-10-11T13:28:04+00:00 app[web.1]: AND a.attnum > 0 AND NOT a.attisdropped 2012-10-11T13:28:04+00:00 app[web.1]: ORDER BY a.attnum 2012-10-11T13:28:04+00:00 app[web.1]: app/controllers/products_controller.rb:5:in `index' 2012-10-11T13:28:04+00:00 heroku[router]: GET gift4.herokuapp.com/favicon.ico d So I tried heroku run rake db:reset And get this Heroku client internal error. ! Search for help at: https://help.heroku.com ! Or report a bug at: https://github.com/heroku/heroku/issues/new Error: Operation timed out - connect(2) (Errno::ETIMEDOUT) Backtrace: /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/client/rendezvous.rb:39:in `initialize' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/client/rendezvous.rb:39:in `open' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/client/rendezvous.rb:39:in `block in start' /Users/francescochecco/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/timeout.rb:68:in `timeout' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/client/rendezvous.rb:31:in `start' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/command/run.rb:125:in `rendezvous_session' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/command/run.rb:112:in `run_attached' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/command/run.rb:21:in `index' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/command.rb:206:in `run' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/lib/heroku/cli.rb:28:in `start' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/gems/heroku-2.32.6/bin/heroku:16:in `<top (required)>' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/bin/heroku:19:in `load' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/bin/heroku:19:in `<main>' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval' /Users/francescochecco/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `<main>' Command: heroku run rake db:reset Version: heroku-gem/2.32.6 (x86_64-darwin11.3.0) ruby/1.9.3 autoupdate I tried everything. Anyone could help?

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  • SQL Query problem: How to merge two lists.

    - by ProfK
    I have a base table of Participants and Answers, with the following structure: ParticipantId, BusUnitId, QuestionNum, Answer. In this table, QuestionNum ranges, say, from 1 to 6. I also have two other tables that sort of link QuestionNum to the actual question table, BusUnitQuestions, and ParticipantQuestions. For each QuestionNum, I must get the actual question text, based on QuestionId. BusUnitId, QuestionId ParticipantId, QuestionId Now assuming records with QuestionNum from 1 to 6. BusUnitQuestions has 3 records, so QuestionNum 1 to 3 must join to Question on the QuestionId's from BusUnitQuestions, and QuestionNum 4 to 6 must join to Question on the QuestionId's from ParticipantQuestions. I assume I need to use ROW_NUMBER() in the subquery from BusUnitQuestions to join to my answer table, but I'm lost after that. If anyone at all understands me, do you have any suggestions?

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  • Query Optimizing Request

    - by mithilatw
    I am very sorry if this question is structured in not a very helpful manner or the question itself is not a very good one! I need to update a MSSQL table call component every 10 minutes based on information from another table call materials_progress I have nearly 60000 records in component and more than 10000 records in materials_progress I wrote an update query to do the job, but it takes longer than 4 minutes to complete execution! Here is the query : UPDATE component SET stage_id = CASE WHEN t.required_quantity <= t.total_received THEN 27 WHEN t.total_ordered < t.total_received THEN 18 ELSE 18 END FROM ( SELECT mp.job_id, mp.line_no, mp.component, l.quantity AS line_quantity, CASE WHEN mp.component_name_id = 2 THEN l.quantity*2 ELSE l.quantity END AS required_quantity, SUM(ordered) AS total_ordered, SUM(received) AS total_received , c.component_id FROM line l LEFT JOIN component c ON c.line_id = l.line_id LEFT JOIN materials_progress mp ON l.job_id = mp.job_id AND l.line_no = mp.line_no AND c.component_name_id = mp.component_name_id WHERE mp.job_id IS NOT NULL AND (mp.cancelled IS NULL OR mp.cancelled = 0) AND (mp.manual_override IS NULL OR mp.manual_override = 0) AND c.stage_id = 18 GROUP BY mp.job_id, mp.line_no, mp.component, l.quantity, mp.component_name_id, component_id ) AS t WHERE component.component_id = t.component_id I am not going to explain the scenario as it too complex.. could somebody please please tell me what makes this query this much expensive and a way to get around it? Thank you very very much in advance!!!

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  • SQL Server 2005 user permissions

    - by karl
    I have created a database and some dbo.tables. Now I want to create a user that are can read and write to these tables, but not modify or drop. However I want this user to be able to create own tables and let him do what he want with these. Is this possible? Could someone explain how this can be done?

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  • Cannot render images locally with Sql Server 2005 Report Services SOAP service calls

    - by user289146
    I am trying to render images from SSRS 2005 via the SOAP call. When the reports service is installed on the same server as my website, the images generated do not render in the page. However, when I connect to the reporting service URL from the same web code on a separate machine the images render just fine. Is there a dependency that I am missing to allow me to run the web and SSRS on the same box?

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  • Question about SQL Server HierarchyID depth-first performance

    - by AndalusianCat
    I am trying to implement hierarchyID in a table (dbo.[Message]) containing roughly 50,000 rows (will grow substantially in the future). However it takes 30-40 seconds to retrieve about 25 results. The root node is a filler in order to provide uniqueness, therefor every subsequent row is a child of that dummy row. I need to be able to traverse the table depth-first and have made the hierarchyID column (dbo.[Message].MessageID) the clustering primary key, have also added a computed smallint (dbo.[Message].Hierarchy) which stores the level of the node. Usage: A .Net application passes through a hierarchyID value into the database and I want to be able to retrieve all (if any) children AND parents of that node (besides the root, as it is filler). A simplified version of the query I am using: @MessageID hierarchyID /* passed in from application */ SELECT m.MessageID, m.MessageComment FROM dbo.[Message] as m WHERE m.Messageid.IsDescendantOf(@MessageID.GetAncestor((@MessageID.GetLevel()-1))) = 1 ORDER BY m.MessageID From what I understand, the index should be detected automatically without a hint. From searching forums I have seen people utilizing index hints, at least in the case of breadth-first indexes, as apparently CLR calls may be opaque to the query optimizer. I have spent the past few days trying to find a solution for this issue, but to no avail. I would greatly appreciate any assistance, and as this is my first post, I apologize in advance if this would be considered a 'noobish' question, I have read the MS documentation and searched countless forums, but have not came across a succinct description of the specific issue.

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  • SQL Server JDBC Exception

    - by user267581
    When using ANT to build my Java application I keep getting this error. I have tried multiple times to use SQLJDBC.JAR and SQLJDBC4.JAR but continually receive this error message. I am completely stumpped why this error is received even after upgrading to sqljdbc4.jar. [javadoc] java.lang.UnsupportedOperationException: Java Runtime Environment (JRE) version 1.6 is not supported by this driver. Use the sqljdbc4.jar class library, which provides support for JDBC 4.0.

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  • Counting number of children in hierarchical SQL data

    - by moontear
    Hello, for a simple data structure such as so: ID parentID Text Price 1 Root 2 1 Flowers 3 1 Electro 4 2 Rose 10 5 2 Violet 5 6 4 Red Rose 12 7 3 Television 100 8 3 Radio 70 9 8 Webradio 90 For reference, the hierarchy tree looks like this: ID Text Price 1 Root |2 Flowers |-4 Rose 10 | |-6 Red Rose 12 |-5 Violet 5 |3 Electro |-7 Television 100 |-8 Radio 70 |-9 Webradio 90 I'd like to count the number of children per level. So I would get a new column "NoOfChildren" like so: ID parentID Text Price NoOfChildren 1 Root 8 2 1 Flowers 3 3 1 Electro 3 4 2 Rose 10 1 5 2 Violet 5 0 6 4 Red Rose 12 0 7 3 Television 100 0 8 3 Radio 70 1 9 8 Webradio 90 0 I read a few things about hierarchical data, but I somehow get stuck on the multiple inner joins on the parentIDs. Maybe someone could help me out here. moon

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  • Multi-base conversion - using all combinations for URL shortener

    - by Guffa
    I am making an URL shortener, and I am struggling with the optimal way of encoding a number (id) into a character string. I am using the characters 0-9,A-Z,a-z so it will basically be a base-62 encoding. That is pretty basic, but it doesn't make use of all possible codes. The codes that it would produce would be: 0, 1, ... y, z, 10, 11, ... zy, zz, 100, 101, ... Notice that the codes 00 to 0z is not used, the same for 000 to 0zz, and so on. I would like to use all the codes, like this: 0, 1, ... y, z, 00, 01, ... zy, zz, 000, 001, ... It would be some combination of base-62 and base-63, with different bases depending on the position... Using base-62 is easy, for example: create procedure tiny_GetCode @UrlId int as set nocount on declare @Code varchar(10) set @Code = '' while (@UrlId > 0 or len(@Code) = 0) begin set @Code = substring('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', @UrlId % 62 + 1, 1) + @Code set @UrlId = @UrlId / 62 end select @Code But I haven't yet managed to make a multi-base conversion out of it, to make use of all the codes.

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  • optimizing an sql query using inner join and order by

    - by Sergio B
    I'm trying to optimize the following query without success. Any idea where it could be indexed to prevent the temporary table and the filesort? EXPLAIN SELECT SQL_NO_CACHE `groups`.* FROM `groups` INNER JOIN `memberships` ON `groups`.id = `memberships`.group_id WHERE ((`memberships`.user_id = 1) AND (`memberships`.`status_code` = 1 AND `memberships`.`manager` = 0)) ORDER BY groups.created_at DESC LIMIT 5;` +----+-------------+-------------+--------+--------------------------+---------+---------+---------------------------------------------+------+----------------------------------------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------------+--------+--------------------------+---------+---------+---------------------------------------------+------+----------------------------------------------+ | 1 | SIMPLE | memberships | ref | grp_usr,grp,usr,grp_mngr | usr | 5 | const | 5 | Using where; Using temporary; Using filesort | | 1 | SIMPLE | groups | eq_ref | PRIMARY | PRIMARY | 4 | sportspool_development.memberships.group_id | 1 | | +----+-------------+-------------+--------+--------------------------+---------+---------+---------------------------------------------+------+----------------------------------------------+ 2 rows in set (0.00 sec) +--------+------------+-----------------------------------+--------------+-----------------+-----------+-------------+----------+--------+------+------------+---------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | +--------+------------+-----------------------------------+--------------+-----------------+-----------+-------------+----------+--------+------+------------+---------+ | groups | 0 | PRIMARY | 1 | id | A | 6 | NULL | NULL | | BTREE | | | groups | 1 | index_groups_on_name | 1 | name | A | 6 | NULL | NULL | YES | BTREE | | | groups | 1 | index_groups_on_privacy_setting | 1 | privacy_setting | A | 6 | NULL | NULL | YES | BTREE | | | groups | 1 | index_groups_on_created_at | 1 | created_at | A | 6 | NULL | NULL | YES | BTREE | | | groups | 1 | index_groups_on_id_and_created_at | 1 | id | A | 6 | NULL | NULL | | BTREE | | | groups | 1 | index_groups_on_id_and_created_at | 2 | created_at | A | 6 | NULL | NULL | YES | BTREE | | +--------+------------+-----------------------------------+--------------+-----------------+-----------+-------------+----------+--------+------+------------+---------+ +-------------+------------+----------------------------------------------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | +-------------+------------+----------------------------------------------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+ | memberships | 0 | PRIMARY | 1 | id | A | 2 | NULL | NULL | | BTREE | | | memberships | 0 | grp_usr | 1 | group_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 0 | grp_usr | 2 | user_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | grp | 1 | group_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | usr | 1 | user_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | grp_mngr | 1 | group_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | grp_mngr | 2 | manager | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | complex_index | 1 | group_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | complex_index | 2 | user_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | complex_index | 3 | status_code | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | complex_index | 4 | manager | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | index_memberships_on_user_id_and_status_code_and_manager | 1 | user_id | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | index_memberships_on_user_id_and_status_code_and_manager | 2 | status_code | A | 2 | NULL | NULL | YES | BTREE | | | memberships | 1 | index_memberships_on_user_id_and_status_code_and_manager | 3 | manager | A | 2 | NULL | NULL | YES | BTREE | | +-------------+------------+----------------------------------------------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+

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