I work with DB / SQL almost on a daily basis and the more I work with sql, the more I’m the opinion that there is no reason to use a right join or a full outer join. Let’s assume we have two tables: table1 and table2. Either I want to receive additional information for the rows in table1 so
Tag: join
Simple join query giving ORA 00933 on Oracle8i Release 8.1.7.0.1
Environment used – Following simple query is giving me an error : ORA-00933:SQL command not properly ended On SQL Developer 1.5.1 – Answer Oracle did not support the ANSI join syntax until version 9i. Also, Huy Ngo is correct that Oracle does not allow AS for table aliases. Try this code instead:
Is it possible to join a table to itself
I have a query that joins two tables together. In table O I have an employee ID, which I join to the HR table to retrieve the employee name: inner join hr AS hr on o.syscreator = hr.res_id Also on …
How formulate a SQL query that needs to mention four different tables?
I want to get the Company name and all the products they purchased in a single SQL query. The database used is the Northwind sample database. The relations between these columns and dbs’ tables look …
How to write a query that retrieves 3 replies for each user in my users table?
i want to display three replies from each user i have in my users table, so for instance if i have 3 users and each of them had replied to lets say 10 messages, i want my query to only retrieve 9 …
Access SQL JOIN with subquery
Can someone tell me how I can convert this query to work in MS Access? SELECT Shooters.idShooters, Shooters.firstname, Shooters.lastname, JoinedContingent.Count, JoinedShots.Count FROM Shooters …
Postgresql – How to identify latest record of a combination of 2 columns (Example inside)
In PostgreSQL, if i have this kind of record : |——————|———————|——————| | corona_country | corona_patient | corona_suspected | |——————|———̷…
Oracle – Outer Join with join condition
I have a scenario where I have two tables ORDER ORDER_NO LOCATION ITEM QTY_RECEIVED SHIPMENT ORDER_NO LOCATION ITEM QTY_RECEIVED There are cases where ORDER table has a record but SHIPMENT table …
mysql update with if and max
I have lost hours on this and nothing works for me. I have filed strp_aa that is default NULL. The filed strp_aa should update only if its null with MAX strp_aa + 1, and if its not null if it already has a number it should stay the same. short version of code is Also tired I tried multiple things
Find total count and average based of values from another table
In Mysql: I have customer name (primary key), cities and an amount in table: Table Cities: customer location amount Cust1 New York, USA 200 Cust2 New York, USA 300 …