MS Access query that includes a join to itself (using a subquery) and reports values that do not exist (null values)

I have the following table named PRICES: VERTEXID TIMEID PRICE 6001 20191231 104.3 6001 20181231 115.3 6001 20171231 138.3 6001 20161231 122.3 6002 20191231 102.3 6002 20190931 123.3 6002 …

Oracle SQL – Outer join based on concat

I need to cross join two tables but the joining conditions are: Select FutureInventory.Item, To_Number(Concat(Location, Channel_Id)) Location, From V_CUST_FUTURE_INV_POSITION FutureInventory, …

Joining two tables on multiple columns and subtracting the value field

I have two tables, Table_A and Table_B both having the same number of columns and structure, without having any unique key in any of them. They have one single value field. I would like to subtract …

Simplification of SQL Query

SQL is not my specialty. I have a working query that accomplishes what I need it to, but I know there has got to be a cleaner way of accomplishing my goal. The query should return: – Name – Date of …

Limit the results returned by MySQL join to 1

I’m doing a JOIN on two tables and the right side has multiple results for the ON clause: e.ID = ti.event_id. How do I limit the results returned by the join to 1? Sort of like LIMIT 1 events_detail …

Join pandas dataframes based on different conditions

I´m using Pandas in Python and I’d like to join 2 dataframes. My first dataframe is: id var date 1 ABCD 2019-01-01 1 ABCD 2017-06-01 1 ABCD 2016-06-01 2 ABCD 2016-01-01 The dataframe I want to …

How to join two tables and add a limit

Given two tables in a SQLite database, app_vendor app_id | vendor_id ————— 43 | 747 3 | 12 83 | 747 …. app id | name ————— 43 | Instagram 5 | Snapchat and I …

joining temporal tables in oracle

I am looking for better solutions to a fairly generic problem with temporal tables. say we have table_a (some_value int, date_from date, date_to date) and a series of similar tables table_b, table_c, …

Laravel – DB::TABLE SQL – how to get join data in one queries

I Have 2 tables first client_group with data like below second table client in Controller I have code like below: $client = DB::table(‘client_group’) ->where(‘client_group.user_id’…

Using sql to recursively generate values depending on keys and column values

I have a table like this: store item value store1 item1 2 store1 item2 3 I want to use it to create the following table: store item value store1 item1 0 store1 item1 1 store1 item1 2 store1 …