SAP Knowledge Base Article - Preview

2459087 - The necessity of the primary key or the unique index - SQL Anywhere

Symptom

This document explains the reason why the primary key or the unique index(not allow NULL values) is necessary for a table.


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Environment

SAP SQL Anywhere 12 or later

Product

SAP SQL Anywhere all versions

Keywords

column, unique constraints, referential integrity constraints, ascending, descending, foreign key , KBA , BC-SYB-SQA , SQL Anywhere (on premise, on demand) , Problem

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