This tutorial shows you how to use the Oracle DECODE() function to add the procedural if-then-else logic to SQL queries.

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 …

Jun 1, 2023 · The Oracle DECODE function is powerful, but can be confusing. Learn about Oracle DECODE and see some examples in this article.

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 …

Aug 6, 2024 · Learn how to use DECODE() in Oracle for conditional logic in data transformation. Compare DECODE() to the CASE WHEN statement in performance and behavior.

DECODE is an advanced function that the Oracle database supports. It is used to work as an IF-THEN-ELSE statement. The DECODE function is supported in the various versions of the …

Sep 5, 2013 · If you mean AND rather than OR then this can be done using a decode: decode(status_a,'Y', decode(status_b,'Y','Y','N'), 'N') or this could be simplified to: …

Jun 8, 2015 · You can use a case: SELECT (columns list) FROM AGREEMENT A WHERE A.ACCOUNT = 545 AND A.GRP_ID = CASE ? WHEN 0 THEN A.GRP_ID ELSE ? END And …

The Oracle decode function The decode function can be used in SQL for and IF-THEN-ELSE construction. It's an alternative for the CASE statement which was introduced in Oracle 8. …

Mar 11, 2025 · Learn how to use the Oracle DECODE function in Oracle SQL to simplify queries and handle conditional logic with ease in this comprehensive guide.