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1 lut 2010 · Here's a query to update a table based on a comparison of another table. If record is not found in tableB, it will update the "active" value to "n". If it's found, will set the value to NULL. UPDATE tableA LEFT JOIN tableB ON tableA.id = tableB.id SET active = IF(tableB.id IS NULL, 'n', NULL)"; Hope this helps someone else.
How to connect to a MySQL database from Excel, fetch the latest data from it, and work with that data inside your spreadsheets in Excel. This tutorial is step-by-step and shows you how to do everything, from downloading the ODBC drivers (explained in the tutorial) to importing and transforming the data from specific tables in MySQL.
4 lut 2020 · How To Update Your Data From Your SQL Database To Excel Automatically? It’s a 4-steps process: Connect Excel to an external data source: your SQL database. Import your SQL data into Excel....
7 gru 2019 · In this beautiful weekday 😅, I will give you tips about the easiest way to edit MySQL Database without the need to knowing SQL Syntax AT ALL… Why this is the EASIEST WAY?
21 sie 2024 · MySQL offers conditional control flow with IF statements, allowing us to execute blocks of SQL code depending on whether a condition is true or false. In this article, We will learn about What is Decision-Making in MySQL with different statements along with examples and so on.
Use IF...THEN...ELSE statement to execute a block of statements if a specified condition is true and an alternative block of statements if the condition is false. Use IF...THEN...ELSEIF...ELSE statement to evaluate multiple conditions sequentially and execute corresponding blocks of statements based on the first true condition, with an optional ...
UPDATE Table. The following SQL statement updates the first customer (CustomerID = 1) with a new contact person and a new city. Example Get your own SQL Server. UPDATE Customers. SET ContactName = 'Alfred Schmidt', City = 'Frankfurt' WHERE CustomerID = 1; The selection from the "Customers" table will now look like this: UPDATE Multiple Records.
