Need to show the following columns (3) using UNION to return: All customers who do not have an invoice All products that were not sold Category: Is this related to “customer” or “product”? Print “customer or “product” ID: Customer.id (category=”customer”) or product.id (category=”product”) Name: customer.customer_name (category=”customer”) or product.product_name (category=”product”) Tables: Customer id customer_name city_id customer_address contact_person email phone Product id
Tag: union
Data Joining of two Tables MS Access SQL
I have two tables named – 1) Students 2) Classes. ClassID is Primary Key of Classes table and Foreign Key of Students Table. I want to access one row from the Students table having specfic RollNo (This RollNo is given by user input) and all rows from Classes Table. Students Table is given as:- RollNo is Primary Key. And Last
MySQL UNION and like multiple table . #1064 Mysql
Thanks for reading my question. I am trying to connect the 3 columns of multiple tables together then find the nameProduct column that match LIKE request. All tables have different columns and look …
SQL Database Design Union Data Type? [closed]
This may be a basic question, but I’m curious about what the most reasonable “preferred” way to design a database with a union type is. What I mean is consider a table Post which has only 1 piece …
How to improve union query?
I have a query which is ‘working’ but slow and feels very poor and I don’t want to have to update each time we add/remove a supplier! Basically I have a table of ‘prices’ and for each suppler I need …
SQL’s union default order by clause?
I noticed when I am combining two tables via union that the order is not what I expected. calculus_class stats_class When I combine the two tables above I expect the results to be in order from top to bottom like this: This is the result I received using DBeaver PostgreSQL: Answer Actually, you are using union which removes duplicates, but
SQL JOIN with WHERE condition when two rows’ values are the same and one row matches to two different rows
I have these tables: CREATE TABLE students( id int NOT NULL PRIMARY KEY, name VARCHAR(30) NOT NULL ); CREATE TABLE studentsActivities( studentId int NOT NULL, activity VARCHAR(30) NOT NULL, …
Limit total number of results across tables
I want to get the most recent 100 events that happened. The events are scattered across multiple tables. Here is an example: This will return up to 300 records. I would then take the result set, order by timestamp, and take the first 100 records. How can I perform this in a single SQL query, where SQL will only return
Oracle FETCH FIRST 1 ROW with UNION ALL statement
I’m trying to create a UNION ALL statement in SQL using the FETCH FIRST 1 ROW however when I do that it gives me an error MISSING KEYWORD Here’s what my SQL looks like: is something like this doable. I would like to keep this as a single statement rather than adding a SUBQUERY or anything of that nature. Answer
Finding revenue based on shared ID’s, SQL
I barely know how to ask this question or if this is possible in SQL. I work for a sales company and reps will frequently share accounts with eachother under “Split Codes”. I have a table that …