I’m trying to create a new table in Redshift The code used to create a new table works on it’s own but when I wrap it in create table it stops working Invalid operation: column name “Number” is duplicated; Any ideas what’s happening? I don’t want to specify every single column of b just so i can omit b.numbe Answer
Tag: duplicates
find only the duplicate values in listagg
I am having some duplicate rows in my table. I wanted to find those duplicates. After i have done listagg on the column rp_num my table will have duplicate value like this : SELECT distinct vt….
How to ignore duplicates without unique constraint in Postgres 9.4?
I am currently facing an issue in our old database(postgres 9.4) table which contains some duplicate rows. I want to ensure that no more duplicate rows should be generated. But I also want to keep the duplicate rows that already has been generated. Due to which I could not apply unique constraint on those columns(multiple column). I have created a
Query to delete duplicate records from MS Access
I have a table with multiple duplicate records. I’m using MS Access. I would like to delete duplicate records using a query. This is the table sample: I want my query result to be: Is here any way to do this in MS Access? Perhaps using SQL? I tried using query wizard but it only gives me list of duplicate
Incrementing count ONLY for duplicates in MySQL
Here is my MySQL table. I updated the question by adding an ‘id’ column to it (as instructed in the comments by others). I want to add a new column called row_num to assign an incrementing number ONLY for duplicates, as shown below. Order of the results does not matter. I followed this answer and came up with the code
mySQL – Check Table for duplicates efficiently
I have a table “people” where (for simplicity) everyone has an ID, this ID is not unique so two entries can have the same ID. I now want to find all duplicates which I would do like this: SELECT p1….
How to return only one row per course
I am trying to return a list of course IDs that contain three components: assignments, discussions, and a syllabus. I want my results to have only one row per course ID with either Y’s or N’s …
How to create a new table without duplicates in a field, based on a table that has duplicates in this field?
How do I create a new table in Access without duplicates in the PROD_ID field based on a table that has duplicates in this field? I would like a table like this: Note: PROD_ID; ATC_COD_1 and ATC_COD_2 are the field names. Starting with table like this: Note: PROD_ID; ATC_COD are the field names. There always will be only two records
Deduplicate table SQL with nested rows (type STRUCT)
I have a SQL table (in BigQuery) with possible duplicated rows. The table has over 20 columns, some of them are nested (data type “STRUCT)”. I want to deduplicate the table. I can’t simply query SELECT DISTINCT * because I get an error Query error: Column options of type STRUCT cannot be used in SELECT DISTINCT So far, I tried
How to de-duplicate SQL table rows by multiple columns with hierarchy?
I have a table with multiple records for each patient. My end goal is a table that is 1-to-1 between Patient_id and Value. I would like to de-duplicate (in respect to patient_id) my rows based on “a hierarchical series of aggregate functions” (if someone has a better way to phrase this, I’d appreciate that as well.) For each patient_id, I