Search results
15 wrz 2008 · If you need to write just one condition, then iif() is sufficient, however if you want to write multiple iif() conditions within one statement then you will have to use `case' statement as demonstrated in above responses. Here is an example for your reference.
28 maj 2024 · We can use either a CASE statement or an IIF() function to implement IF-THEN logic in SQL. In this tutorial, we’ll explore how to implement IF-THEN logic in SQL across various dialects such as SQL Server, MySQL, and PostgreSQL.
6 mar 2023 · Here, we explore multiple ways to do exactly that, including using conditional expressions in Python. The if statement is one of the most fundamental statements in Python. In this article, we learn how to write the Python if in one line. The if is a key piece in writing Python code.
3 wrz 2024 · Syntax. IF boolean_expression { sql_statement | statement_block } [ ELSE { sql_statement | statement_block } ] Arguments. boolean_expression. An expression that returns TRUE or FALSE. If the Boolean expression contains a SELECT statement, the SELECT statement must be enclosed in parentheses. { sql_statement | statement_block }
The SQL DECODE() function allows you to add procedure if-then-else logic to queries. Let’s see the following example: SELECT DECODE (1, 1, 'Equal'); Code language: SQL (Structured Query Language) (sql) In this example, the DECODE() function compares the first argument (one) with the second argument (also one).
30 paź 2023 · In this example, the WHERE clause is structured with OR/AND operators as an SQL if statement in SELECT to define conditions either based solely on age or a combination of age and department, demonstrating the versatility of conditional logic in SQL queries.
The SQL Server ISNULL() function lets you return an alternative value when an expression is NULL: SELECT ProductName, UnitPrice * (UnitsInStock + ISNULL(UnitsOnOrder, 0)) FROM Products;
