I have a postgresql table contains a list of email addresses. The table has three columns, Email, EmailServer (e.g., gmail.com, outlook.com, msn.com, and yahoo.com.ca etc.), and Valid (boolean). Now, I want to group those emails by EmailServer and then update the first 3 records of each large group (count >=6) as Valid = true while leaving the rest of each
Tag: sql-update
Update Customer table from selected Ids and assign one of three distinct values to each
I have a fairly complex query which results in a list of Customer Ids where they have not ordered within a defined period, have no Rep assigned to them, and are business customers rather than private. This simply returns a sequential list of Ids which match the BIGINT primary keys of the matching customers, like this: I now want to
Update multiple rows from one SQL UPDATE INNER JOIN with different values
The scenario is a set of tables that contain data related to markets and goods produced at those markets. In the basic example below, you have Ice and this produces water. I have a SQL query which works well and is performant (5ms~). It calculates the stock of Ice required to produce X amount of Water (they are both goods)
SQL Updating Values of Column for Each Unique Value in Separate Column (without a loop)
I’m currently writing a query that is grabbing data from a table and I want to update one of the columns in that table. The update needs to be based off the distinct values from one column. For example: Type ID x ID1 x ID1 y ID2 y ID2 z ID3 z ID3 The catch here is that I can’t
My update query in MS Access doesn’t seem to do anything at all
I’ve made a tool which lets users record information that is relevant to information pulled from a rota which is updated by someone else on an excel spreadsheet. In Access I’ve made a link to the data and want to use an update query to update existing information daily due to changes being made on the rota. Information like Session
Update query with join and where clause
I’m currently confused with a (fairly easy) update statement that I’m trying to execute on a table. The two tables are as such: Customer table has the columns Loan table has the columns I would like to update the passworddisabled attribute to true if they are registered via a specific cash register. I’ve made use of the distinct command because
MySQL after update trigger with number of affected rows condition
In MySQL, I want to create a trigger with AFTER UPDATE triggering event for my user table. In next, I have a table named user_log which is use to store the modifications that occurred on the parent table user after any update commands. So, data in user_log table need be as follows: As you can see from the data in
How to create trigger that will insert into table old and new value on update/insert
I have looked a lot through the internet the past 3 hours but I cannot manage to make the trigger work. Here is my setup: There is a user USER1 that has granted UPDATE on view_faktura only. Making UPDATE statement on the view will change the underlying faktura table data. What I want to do is log into another new
How to deduct sold quantity from stock tables in MySQL
I have two mysql tables. The two tables with the sample data are as follows. By this I want to build up a update query. This should deduct the quantity of the items in the sales table from the stock table. If such a query can be created in mysql it should be updated in ascending order on the stock_id
BigQuery – SQL UPDATE and JOIN
I have two tables. Table1 = dalio which is an event list with select customers. Table2 = master_list which is a master customer list from all past events. dalio has an “id” column that needs to be filled in with customer numbers, which can be pulled from master_list column called “customer_no”. All rows in the “id” column are currently blank.