I was wondering if there is a more efficient way than scrolling up every command history to find what I need, such as searching for specific characters in a command when writing in the PostgreSQL server. I am running iTerm…
I have a table 'Rolls' in Postgres where a column 'A' stores 10000 records each of type SMALLINT. I am looking to write a SQL query which will take the last 100 rows of 'Rolls' and then take the first…
I have a script that's taking some comma separated IDs as an argument, and I want to check if they are valid inputs, i.e. they should be a subset of IDs present in a postgres table. I have this one…
I'm new to Databases and I started using PostgreSQL recently, I was wondering where, when and why should I choose Json and Jsonb type for my columns? In which cases using Json type is better and in which cases it's…
Im running the regression tests in the apacheAGE extension line by line just to see how they work and play around, but in this one : https://github.com/apache/age/blob/master/regress/sql/cypher_call.sql i get an error : CALL NOT SUPPORTED YET I carefully run each…
here is my dataset processed_on|status | ------------+-------+ 2023-01-01 |Success| 2023-01-02 |Success| 2023-01-03 |Success| 2023-01-04 |Fail | 2023-01-05 |Fail | 2023-01-06 |Success| 2023-01-07 |Fail | 2023-01-08 |Success| 2023-01-09 |Success| expected output is -------------------------- start_date|end_date|status -------------------------- 2023-01-01|2023-01-03|Success 2023-01-04|2023-01-05|Fail 2023-01-06|2023-01-06|Success 2023-01-07|023-01-07|Fail 2023-01-08|2023-01-09|Success i…
After updating an existing django field to have a default value if I save the field with a null value I get the error: IntegrityError: null value in column rather than the field being set to the default, does anyone…
I'm currently calculating 'fizziness' which is equal to volume * fizzyfactor / 100. However, the values become very long floats. I want to round them to one decimal point. When typecasting with numeric, it still has the same output. Why?…
I have a sql table which is being updated hourly through API. Sample is: id time firstname lastname salary location country 1 2023-03-08 07:47:58 John 10000 1 2023-03-08 07:50:58 Lenny Phoenix USA 1 2023-03-08 07:55:58 5000 What i am looking…
I have the following jsonb : [ [ { "id": 51003, "user_id": 4554, "sg_id": 143353 }, { "id": 51004, "user_id": 4555, "sg_id": 143353 } ], [ { "id": 51005, "user_id": 4555, "sg_id": 143354 } ] ] And i'm trying to…