SQL inner join on column A and compare values in column B

I am sure or maybe hope there is a simple way to do this. Below is my latest attempt. The query should return only one row, but I get 31. Query: `select distinct a.[EC CERS], a.[EC Tank ID], […

Select longest duration time (data type field) and client name SQL

I have these tables: CREATE TABLE Client ( client_id NUMBER(10) NOT NULL PRIMARY KEY, name VARCHAR(50) NOT NULL, address VARCHAR(50) NOT NULL ); CREATE TABLE Projects ( project_id …

Mysql subquery in where clause that returns comma separated value

I’m not really good at subqueries, here’s the sample tables that I have. table customers ===================== id | name | order_ids 1 | John | 1,2 table orders ===================== id | name 1 …

Add information from two tables to second table

I’m a newbie in query building. I created two tables: product: productid | name | price order: id | productid | quantity | fullprice Can I automatically calculate fullprice (product.price * order….

How do I join two tables from a database in SQL?

I’m currently working on a project where we have to join two tables in SQL and then create a page to show the result of the two tables combined. This is what I have so far: SELECT * FROM ANIMAL …

AVG in SQL Server

I am learning SQL Server, and I have a sample database which I got from my co-worker. I created a stored procedure previously which works fine. Now I am trying to show average of the column which I am …

PostgreSQL – How to find the row with a record that matches it with a value higher than given value?

Let’s say I have two tables with a 1-to-many relation. Table A (user): id INT, name TEXT Table B (skill): id INT, user_id INT, skill_name TEXT, skill_level INT Each user may have multiple skills. And …

Querying a cte – The multi-part identifier could not be bound. How do I fix this so I can query the table? New to SQL accounting background

I am trying to extract a dataset which joins 3 tables Employee E AbsenceTypes AT AbsenceBalance AB In the data set I need the most recent record from AB.BalanceTime for each AB.EmployeeUID by AB….

How do you populate boolean columns based on a table of properties?

I have a table called Product that contains a product identification number and an id associated with the product identification number. pin id 11 10 12 11 13 12 I also have a property table with the …

How to get the third level of a tree in SQL

I aim to list the forth generation of a family using SQL Server. Example family tree in the picture (id based) FAMILY TREE The tables I have are: Family +——+—————–+ | f_id | f_name …