What is the best way to merge two tables with duplicates?

query joining multiple tables getting duplicates- how to stop

I'm joining several tables and when I add the last one I get duplicate results. How can I get just one for each? Thanks for any ideas.

How to join two tables while merging duplicate cells in one row?

More than a join it looks like filtering + grouping to me. You can easily solve your task with just two nodes: 1) a Reference Row Filter node, ...

Merge Two Tables with duplicates in first table - Page 2

1 · Shell Programming & Scripting · Filtering duplicates based on lookup table and rules · 2 · Original Questions & Answers · How to merge two tables ...

One-to-many join — Editing duplicate input table rows

Solved: We can use the Add Join (Data Management) tool to make a one-to-many join. The resulting attribute table will have duplicate input ...

[Question] How to prevent merge for duplicate key values? #1793

I used to get an error when I tried to merge two data tables with duplicate key values, unless I specified allow.cartesian=T. This has ...

Joining 2 tables and removing duplicates - SAS Support Communities

Why not a simple merge after sorting. If cartesian is not considered an overhead before left join on equality operator to filter your needs, I ...

SQL Join creates duplicates - Databases - Spiceworks Community

Hi, A very simple query I am sure, but one that has me stumped. Apologies for the poor explanation as I am new to SQL… I have 2 table of ...

Removing Duplicates after joining two data sources

Table A has the correct Sum(revenue), but I need another metric from table B to divide it to get penetration. However, when I left join on ...

Preventing Duplicates when merging tables with multiple matching ...

I am matching on the students college ID number. The query results in multiple matching rows (each unique row on one table brings multiple ...

Joining Multiple DataTables In Dynamic Way without duplicates

Hello, I need to Join 6 tables by avoiding duplicate rows is there any way to dynamically join the data tables, please find the excel ...

Getting duplicate records after using Joins for three different tables

For Ex: If there are two records for the same OrderID in Table 1 and have two records in the Table 3 for the respective AssignmentID, then after applying the ...

Table Merge creates duplicate records in Power Query - Mr. Excel

When I join the tables, BI creates duplicate rows on some records for no apparent reason. The duplicates are identical in every way. I followed ...

Duplicate join columns in Tableau Prep

On a clean step, just Drag one field on top of the other, this will merge the id field. Another option is to create a calc: IFNULL([id],[id-1]) and remove the ...

Merge linked records discarding duplicated - Airtable Community

I don't know a way to "merge" 2 Linked Record columns, discard duplicates and have a format left for the Dashboard to make me the proper percentage chart.

Duplicates after joining datasets - Domo Community Forum

You would need to add supplier code as another primary key in your join. That would work as long as your Test QTY Rejected has no duplicate ...

How to remove duplicates from a join column. - FME Community

I have a dataset which came with duplicates in what I need to be a join column (PID) therefore unique. How can I filter and remove the duplicate rows based on ...

"duplicate merge key detected in join" error on tables without keys

When I run the MERGE statements I receive a “Duplicate MERGE key detected in join” error, which shows that it is treating only the not null columns as a key.

What happens if tables we perform UNION on have duplicate rows?

When you combine tables with UNION , duplicate rows will be excluded. To explain why this is the case, recall a Venn Diagram, which shows the ...

Best way to remove duplicates based on multiple tables

Comments · 1. add a new column WHICH_TABLE NUMBER to the temp table · 2. update the new column to -1 for records that are dups. · 3. update the new column (might ...

Table Transformer - Merge Cells with Duplicate Row...

The Table Transformer macro sees the source table as a mini SQL database, so it can merge cells into one big cell by joining their contents.