I have a Dataframe 1, Df1, Dataframe 2 , Df2 – Same Schema I have Row 1 from Df1 – Dfw1, Row 1 from Df2 – Dfw2 I need to compare both to get differences b/n Dfw1 and Dfw2 and get the differences out as collection (Map or something) Answer A simple solution would be to transform the Row objec…
Tag: sql
Conditional Join Between SQL Table and Pandas Dataframe
I am working on an application and one step of the processing involves joining drug NDC’s from claim data with a table that contains the NDC along with a variety of other information including unit price, multisource code, and more. The table of claims data looks something like this: It was read into a …
Can you name dbplyr’s simulated lazy tables?
dbplyr has some very useful-looking simulation functions so you can write queries while not connected to any real database, but I can’t seem to get actual table names into any of the queries I write …
SQL Join on table with revision dates
I am about to begin working on a solution for my company in SQL that requires me to link product category mappings based on a SKU number. The problem is that the category mappings can change, and they will have a date associated with the change. For example: Product 1 is currently mapped to category A. User r…
Support needed for a query
I need help to finish a SQL Query for a Woocommerce product list. I need this for a wpdatatable sql input. I searched for a example code and have adapted a found code: SELECT p.ID, p.post_title, …
I want this query in Sequelize form
I am getting the output in RAW SQL but I am unable to do with SequelizeJS SELECT * FROM `tbl_a` a LEFT JOIN `tbl_b` b on b.b_uuid = a.a_uuid LEFT JOIN `tbl_c` c on c.c_uuid = a.a_uuid
I have been looking for solution to get sum of multiple columns(for a single row) in Mysql to get total of every hour for electricity invoice?
I wrote below query to get sum but it is showing(something progressing) total as null for couple of records. It is showing 1064 error at line 4 when I include all records like below. Answer it is showing total as null for couple of records Probably, at least one of the columns has a null value for those recor…
How to select from string array added in SQL column?
Below is my table, tried its not working for i want to select rows by passing colPar as ‘param1,param2’ so it will result me all the records containing param1 and param2 in colParam Answer This quiet tricky. to Return all matching values. Output:
Subtract values from the same Column in sql? [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 y…
How to use Replace/Substitution function in PL SQL
I’ve a doubt regarding replacing / substituting values in PLSQL. I’ve used listagg to segregate n number of values with each and every value being splitted by comma delimiter. For instance when executing the above query it returns 7digit alpha numeric values. For example ABCD123,EFGH456,IJKL789 Af…