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This tutorial shows you how to use the Oracle DECODE() function to add the procedural if-then-else logic to SQL queries.
- Oracle COALESCE Function
Summary: in this tutorial, you will learn how to use the...
- Oracle COALESCE Function
This tutorial shows you how to use the SQL DECODE function to add if then else logic to queries to make them more powerful and flexible.
6 sie 2024 · This tutorial provides a comprehensive guide to using the SQL DECODE() function in Oracle. I will also compare DECODE() to CASE WHEN in Oracle and help you understand when to use each function. Finally, I will provide code for the equivalent transformations in SQL Server, PostgreSQL, and MySQL.
11 wrz 2019 · DECODE(value, search_value, result, default_value) compares value with search_value. If the values are equal, DECODE() returns result, otherwise default_value is returned. DECODE() allows you to perform if-then-else logic in SQL without having to use PL/SQL.
1 cze 2023 · The purpose of the Oracle DECODE function is to perform an IF-THEN-ELSE function. It’s similar to a CASE statement, but CASE is a statement where DECODE is a function. It allows you to provide a value, and then evaluate other values against it and show different results.
This Oracle tutorial explains how to use the Oracle / PLSQL DECODE function with syntax and examples. The Oracle / PLSQL DECODE function has the functionality of an IF-THEN-ELSE statement.
The SQL DECODE function is a database function used for conditional value replacement in a query result. It is primarily used in Oracle Database and a few other database systems. DECODE allows you to compare a value to a set of possible values and return a corresponding result when a match is found.
