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The Oracle DECODE() function allows you to add the procedural if-then-else logic to the query. In the following example, the Oracle DECODE() function compares the first argument (1) with the second argument (1).
- Oracle COALESCE Function
Summary: in this tutorial, you will learn how to use the...
- Oracle COALESCE Function
DECODE compares expr to each search value and returns the corresponding result if a match is found. Learn the syntax, description, examples, and data type conversion rules of DECODE.
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.
DECODE compares expr to each search value one by one. If expr is equal to a search, then Oracle Database returns the corresponding result. If no match is found, then Oracle returns default. If default is omitted, then Oracle returns null.
9 lut 2023 · Funkcja DECODE pozwala na wykonywanie różnych operacji logicznych na danych w zależności od wartości argumentu. Dowiedz się, jak używać funkcji DECODE, jakie ma składnię i jakie ma zastosowania.
1 cze 2023 · Learn how to use the Oracle DECODE function to perform an IF-THEN-ELSE comparison. See the syntax, parameters, differences with CASE, and examples of using DECODE in various scenarios.
6 sie 2024 · Learn how to use the SQL DECODE() function in Oracle for conditional logic in data transformation. Compare DECODE() to CASE WHEN in Oracle and see code for other databases.