---
title: "collapsed decision table"
description: "A decision table in which combinations of inputs that are impossible or lead to the same outputs are merged into one column (rule), by setting the conditions that do not influence the outputs to don't care."
type: term
term_id: 722
language: English
language_code: gb
canonical: "https://glossary.istqb.org/en/term/collapsed-decision-table-1"
slug: "collapsed-decision-table"
url: "https://istqb-glossary.page/collapsed-decision-table/"
---

# collapsed decision table

A decision table in which combinations of inputs that are impossible or lead to the same outputs are merged into one column (rule), by setting the conditions that do not influence the outputs to don't care.

## Present in syllabi


- Advanced Test Analyst 2019

## Translations


- [Deutsch](https://istqb-glossary.page/de/konsolidierte-entscheidungstabelle/) — konsolidierte Entscheidungstabelle
- [Italiano](https://istqb-glossary.page/it/tabella-delle-decsioni-collassata/) — tabella delle decsioni collassata
- [日本語](https://istqb-glossary.page/jp/%E7%B0%A1%E5%8D%98%E5%8C%96%E3%81%97%E3%81%9F%E3%83%86%E3%82%B7%E3%82%B7%E3%83%A7%E3%83%B3%E3%83%86%E3%83%BC%E3%83%95%E3%83%AB-collapsed-decision-table/) — 簡単化したデシジョンテーブル（collapsed decision table）
- [Português (Brasil)](https://istqb-glossary.page/br/tabela-de-decisao-colapsada/) — tabela de decisão colapsada
- [Português](https://istqb-glossary.page/pt/tabela-de-decisao-contraida/) — tabela de decisão contraída

Read this term online: https://istqb-glossary.page/collapsed-decision-table/

Markdown variant of the HTML page at https://istqb-glossary.page/collapsed-decision-table/ — part of the
ISTQB Glossary (https://istqb-glossary.page), a linkable, machine-readable
republication of the ISTQB glossary under fair use. No affiliation with ISTQB.