In the picture, you will see a table at the beginning that contains NULL in the Rounds column. After that, it shows 9th. How can I edit the data from 9th to NULL? SELECT TOP (1000) [Rank] ,[…
Tag: sql
How to select multiple fields from different sources in sql? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I have these three tables here Aircraft (aid, aname, cruisingrange) Employee (eid, ename, sal…
How do I use SQL to return the first entry in a chronological sort?
I have a table named Dates, let’s just say with two columns for simplicity purposes. One is labeled “date” and that column is of a date data type, and the other one is labeled timestamp and …
Database (1064) SQLSTATE[42000]: Syntax error | Importing using phpmydirectory
So, we use a script called “phpmydirectory”, and at this point it’s pretty outdated. It wasn’t designed to work on PHP 7+ or MySQL 5.7+ but we’re mostly making it work. Part of the script, …
ORA-00904: “GRADE_RANK”: invalid identifier
This query runs without grade_rank > 1 but I want only the results where grade_rank is > 1. I have tried using ROW_NUMBER() OVER() as grade_rank but it didn’t work. SELECT student_id, …
How can I condition the time column?
There is a column representing 24 hours. Data comes in every 15 minutes. For example, at 10:15, the value is entered in the DateTime column of the 10H column. But… The client wants to set the …
Knex not properly escaping raw postgres queries
I am using Knex (with typescript) to try to query a postgres database. My database table products has a column name that I want to search through as the user types into a search box. For example, a …
Simple database with 3 tables and “no matching unique or primary key for this column”
I have three tables, two are created independently, and the third one is created to include some inputs from the first two. First two tables have no problems, however, when I try to create the third one, I get an error: The thing is, I created the third table by copy/pasting the column names/definitions right…
How to name a column that is also a function name in SQL?
For example, this doesn’t work, That is because Rank is also a function. I tried to replace Rank with [Rank] but that still doesn’t work. So, what is the solution? Answer You can give it a different name. That is what I would recommend. But absent that, the escape character in MySQL is the backtic…
PostgreSQL – Cast generated column type
I tried to create generated column from other JSON type column with ALTER TABLE “Invoice” ADD COLUMN created Integer GENERATED ALWAYS AS (data ->> ‘created’) STORED; When I execute this I get error ERROR: column “created” is of type integer but default expression is o…