I have a data which looks like – Actual Table – VIN Mode Status Start End ABC123456789 Mode 1 Waiting for Auth 01/01/2010 00:00:00 05/05/2014 14:54:54 ABC123456789 Mode 1 Waiting for URL 05/05/2014 14:54:54 05/13/2014 19:09:51 ABC123456789 Mode 1 Waiting for User 05/13/2014 19:09:51 11/13/2014 22:…
Tag: sql
Snowflake-SQL – Add row from one query to another query
I’m looking for assistance in combining query results. I have one query that results in: The query: and I have another query that results in: The query: Is there a way to add the TypeACount column to the second query? Answer You can run both queries in a table expressions in a CTE and then join them.
Update and insert from one table with multiple same ID rows but different column attributes to second table
I would like to update the records from one table to another table and if there are new records then insert those records. In this case, the new records are having the same ID but different column attributes. When I am running the update and insert query, it’s only considering the last entry from table …
Recursive select that selects rows based own plus childrens values
I need to select rows in a table like this: Select all rows in the table where both conditions are met: Condition 1: the value column should not match with any value in table v Condition 2: no decendent (on any level, ie: child or sub child, sub- sub- child etc) has a value that matches with any value in
How to query and filter relation entity in room database
For example: User: Post: Data if i use SELECT * FROM user i got the desire data(a user and all posts), but how can i filter the post for a specific type, like WHERE post.type = ‘sth’ is that possible? Answer but how can i filter the post for a specific type, It depends on exactly what you want to
Oracle – get previous, current and next year from query [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed last year. Improve this question Is below example good solution for get previous, current and next year?…
Flag “yes/No” if the subsequent row has same ID
I have data like this. If the same id is present in the next row, I want to flag as Yes. If it is not present then Make it as ‘No’. Can you kindly help me with the query? Thanks Answer The problem with multiple rows for the same ID and no other column that can be used to futher
How to select a same column from a specialized table in PostgreSQL?
I have this table Person table is a general table which has these 2 specialization: I want to select data from physician and volunteer with the name of each person. Is there any possible way to do this? Let’s say I have this example data: Person: IDPerson Name P001 Andy P002 Rudy P003 Budy P004 Khal P00…
sql prevent double booking with trigger
I am stumbled on constructing a DB table for hotel reservations. In my reservation db, there is a reservation start_datetime and end_datetime attribute to indicate booked period and I tried to prevent double booking with a trigger statemen, but I am certain that this method would be vulnerable to race conditi…
How do I get to choose MAX value by result of column?
I have this simple Table about chat Item I have my query that gets latest entered chat by chatId item as follow Now I would like to get latest item with isDone = 0 as priority. If any of result row has isDone = 0, it will get MAX(ID) with isDone = 0. If not, it will get the MAX(ID)