Truncating Duplicate Entries In A Table
Hi,
I have a table with no primary key and i just want to see all the duplicate entries on the basis of two columns. Can anyone suggest me how should i go about it.
Can anyone provide me the syntax for the same?
I have only 1 table say ISSR_TBL and two columns using which i want to delete the duplicate ones. i.e. MIN and MAX.
Please help me out...
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I have a table 'Group2Operation' that stores many to many relationsbetween the 'Group' table and the 'Operation' table (each group is haspermission to perform one or more of the available operations)PROBLEM=======I need to prevent duplicate entries being created. e.g. lets say thatin the 'Group2Operation' table a record links the 'editor' group tothe 'publish' operation. Should I prevent an administrator creating aduplicate of that record? (Otherwise deleting that permission willhave to be done twice or more for it to be effective)SOLUTION?=========So far I've done this with a trigger:CREATE TRIGGER Group2OperationDuplicates ON dbo.Group2OperationFOR INSERT, UPDATEAS UPDATE Group2OperationSET NoDuplicate = CONVERT(nvarchar(10),GroupID) + OperationTagThe 'NoDuplicate' unique index column in the Group2Operation tablestores a concatenation of the unique group and operation identifiers.So when an attempt is made to create a record, the trigger is fired.If there is a duplicate, this will mean a duplicate entry in the'NoDuplicate' column. As a result, the INSERT or UPDATE will fail andthe duplication will be prevented.WHAT DO YOU THINK?==================What do you think? Am I going about this in the right way? Is atrigger a good way to do this or should I rely on application logic toprevent duplicates?Any help appreciated by this db novice.John Grist
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Retrieving Data From Table With 7 Million Entries Takes Time
Can anyone help me on this... when i select data from table using select statement it takes huge amount of time....The table contains 7 million entries and when i select by mentioning a criteria it takes around 45 secs..The system has 4GB RAM and Dual Processing CPU. The select statement does not contain any grouping and all.. Will it take this much time to retrieve data.?. The table does include an indexed field, So can anyone help me on the different things i can do to make the retrieval faster? Andy
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&"Save&" DELETED Entries To New Table
Hi all I would like to know if its possible to "Save" records when they get deleted. For example: I have a table, tblUsers, with coulmns, UserID, Name, Surname, etc... In VWD I've created a GridView which shows everything on a webpage. I've also added a confirm return('Are you sure you want to delete the user?') option in OnClientClick field. What i want to achieve is, have some sort of log file, or log table if you want to call it that, of which users has been deleted by the end user. So, in later stages, i can see who deleted who, when, where, etc... - by building a report or view. All this should go to a seperate database or seperate table, it doesnt really matter. My delete query:DELETE FROM [tblUsers] WHERE [UserID] = @UserID
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Hi,In my program i need to duplicate a table in a current data base.I'm thinkin' of reading the data base columns and then rows and so icreate another tableIs there any other easy and fast method with SQL Server 2005, becausemy idea is so slowI'm using VB 2005 Express with SQL Server 2005 ExpressThanks
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I have data below .. 01, 'Mampang Prapatan' 02, 'Mampang Prapatan' 03, 'Mampang Pertigaan' 04, 'Mampang Perlimaan' I want to get twice row that have double entry like below, (i need query without parameter). 01, 'Mampang Prapatan' 02, 'Mampang Prapatan' Please help me...
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Duplicate Table
Hi, I have a table with data in it, (tblT1) A. How do I create a table tblT2 with the same columns in tblT1, but without data in (blank tblT2 table with columns). B. And also how do I copy the enitre table's data (tblT1) into tblT2. Thank you,
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Hi, I am absolutely innocent as far as T-SQL is concerned. I need to detect all duplicates (key consists of 5 fields) in the table and delete the duplicates. I tried different approaches like joins etc but nope. Any help is appreciated Thanks
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Please Help me... How to create duplicate table dynamically(In Code). I have written query like this... select * into table2 from table1. But this creates only structure and data. I need to create along with constraints also(Primary key, default,index). Please help out me....
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Del. Duplicate Rows From A Table Having No Pk
hi, create TABLE #t ( id int,names varchar(50)) INSERT INTO #t VALUES(1,'master') INSERT INTO #t VALUES(2,'tempdb') INSERT INTO #t VALUES(2,'tempdb') INSERT INTO #t VALUES(3,'model') INSERT INTO #t VALUES(3,'model') INSERT INTO #t VALUES(3,'model') INSERT INTO #t VALUES(1,'master') SELECT * FROM #t Iam using sql server 2005. I want to delete the duplicate records from the table.Please specify a method which is very good at performance. Thanks in Advance..........
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Creating Duplicate Table
ravi writes "plz tell me code for 1. i want to create a table with same structure and key value as an existing table. 2. How can i modify the primary key there i new table"
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Replicate (Duplicate) A Row's Data Into Same Table
I'm working on a web app that needs to be able to take a row in the database and duplicate it, creating a new row in the same table with the same data except for the ID field and reference field.So basically: table1.row1 references table2.row1. I need to duplicate the data in table1.row1 (creating table1.row2) with the same reference to table2.row1.Is there any easy way to do this in SQL? I'm just looking for some ideas or a framework to accomplish this.
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Find Duplicate Records In Table
Hello friends, I have a one problem, i have a table in that some reocrds are duplicate.i want to find which records are duplicate. for exp. my table is as follows emp_id emp_name 1 aa 2 bb 3 cc 1 aa 3 cc 3 cc and i want the result is like emp_id emp_name 1 aa 1 aa 3 cc 3 cc 3 cc
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Help With Duplicate Contacts In Contact Table
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Remove Duplicate Rows From Table
I have a table with one column, and i want to remove those records from the table which are duplicate i meant if i have a records rakesh in table two time then one records should be remove... my tables is like that Names ------------ Rakesh Rakesh Rakesh Kumar Sharma Rakesh Kumar Sharma Baburaj Raghu Raghu and Output of query should be like that Names ----------- Rakesh Rakesh Kumar Sharma Baburaj Raghu Thanks in advance
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Deleting Duplicate Rows In SQL Table
I have an SQL tables [Keys] that has various rows such as: [ID] [Name] [Path] [Customer] 1 Key1 Key1 InHouse 2 Key2 Key2 External 3 Key1 Key1 InHouse 4 Key1 Key1 InHouse 5 Key1 Key1 InHouse Obviously IDs 1,3,4,5 are all exactly the same and I would like to be left with only: [ID] [Name] [Path] [Customer] 1 Key1 Key1 InHouse 2 Key2 Key2 External I cannot create a new table/database or change the unique identifier (which is currently ID) either. I simply need an SQL script I can run to clean out the duplicates (I know how they got there and the issue has been fixed but the Database is still currently invalid due to all these duplicate entires). Any help would be greatly appreciated. Thanks,
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Duplicate Names In Sysindexes Table
WHen researching an index name problem, I found duplicate index names in sysindexes, referencing the same table. I notice that one of the indexes has a status = 2097154 and a indid of 2 while the other has a status of 0 and a indid of 0. I believe these are duplicates. Anybody have an idea if these really are and what the status and indid fields mean?
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