I am writing a chat app and want to get a list of recent contacts to show in the sidebar. My table has the standard chat fields (sender, receiver, ms ...
I am writing a chat app and want to get a list of recent contacts to show in the sidebar. My table has the standard chat fields (sender, receiver, ms ...
I have a table named assets: I am trying to write a query to get the most recent value for each day based on business_time. This is a sample query ...
I have a table named assets. Here is the ddl: I need to extract the newest (based on insert_time) value for each asset name. This is the query that ...
table production code part qty process_id 1 21 10 10 1 22 ...
Let's say I have the following PostgreSQL table called products which has millions of records: I have a SELECT statement targeting this table with ...
Let's say I have the following PostgreSQL table called products: Here is some test data. Note my actual table has millions of records. I want to ...
I am migrating some queries from PostgreSQL dialect over to BigQuery. One nice pattern in PostgreSQL is DISTINCT ON (key), which returns the first row ...
I'm trying to build a query which sums up a column for all rows with unique IDs (interested only in the latest entry for a given ID). The thing is the ...
In pandas, I can drop duplicates by a subset of columns and keep first by df = df.drop_duplicates(subset=['column1', 'column6'], keep='first') I am ...
I've got a query returning 200 random distinct foo from my Database. I want to update the notes field for those rows. My first thought was to use ...
I have a some_dictionary table and a some_dictionary_language table with data in multiple languages(and a reference to some_dictionary). I need to ge ...
I have a table below: id product_id price 1 1 100 2 1 150 ...
The model Subscription has_many SubscriptionCart. A SubscriptionCart has a status and an authorized_at date. I need to pick the cart with the oldest ...
i have table as below i need to get last or recent records with unique product_id, and product_type_id order by created_dttm desc. so i have below ...
The Question I have two SQL tables albums and photos. Albums can be hierarchically nested as a tree and use the nested set paradigm. Photos are child ...
I'm sure this has been asked over and over, but I can't quite find a simple example that I can fully grok. I'm trying to deduplicate (do a DISTINCT O ...
Here is my full SQL Statement: I am trying to turn this statement into Laravel Eloquent code: I have read that eloquent somehow does not supp ...
I'm wondering if this is valid and will work as expected. Meaning, will this return all columns from my_table, based on distinct some_col? I've read ...
I have a table with multiple occurence of a value (SKU) linked with a certain value for another column (column2). I want to update the value of column ...
I am a beginner in postgres and would like to get the first row for each month (group by) but I'm not really sure how. My table order is as per below ...