Search results
18 kwi 2017 · One way to accomplish this is to simply use .ThenBy. order by. case people_type . when 'MANAGER' Then 0. when 'ADMINISTRATOR' Then 1. when 'SUPPORT' Then 2. else 3 end.
30 cze 2019 · The IF() in MySQL is a function. So you could try something like this instead: SELECT IF(1=1,1,2) If there are more conditions, you would nest them as: SELECT IF(1=1,1, IF(2=2,2,3) )
7 sie 2023 · In this tutorial, I am going to explain CASE expressions in MySQL with examples. This article will cover the following topics. Let’s see. In MySQL, the case expression shows multiple conditions. An expression is the compatible aggregated type of all return values but also depends on the context.
This section provides a gentle introduction to programming with MySQL Connector/NET. The code example is written in C#, and is designed to work on both Microsoft .NET Framework and Mono. This tutorial is designed to get you up and running with Connector/NET as quickly as possible, it does not go into detail on any particular topic.
The CASE statement goes through conditions and return a value when the first condition is met (like an IF-THEN-ELSE statement). So, once a condition is true, it will stop reading and return the result.
16 sty 2024 · In this article, you'll find real-world practical exercises using the CASE WHEN statement for data analysis. This statement enables analysts to craft customized logic for classification and decision-making in their queries. As a result, the query’s accuracy and the analysis’ depth is enhanced.
After it has been created, there are three main methods of interest that you can call: ExecuteReader to query the database. Results are usually returned in a MySqlDataReader object, created by ExecuteReader. ExecuteNonQuery to insert, update, and delete data. ExecuteScalar to return a single value.
