Read Using SQL Snippets ™ before using any of this site's sample code or techniques on your own systems.
Nulls and Equality
Run the code on this page to drop the sample tables, procedures, etc. created in earlier parts of this section. To clear session state changes (e.g. those made by SET, COLUMN, and VARIABLE commands) exit your SQL*Plus session after running these cleanup commands.
Be sure to read
Using SQL Snippets ™
before executing any of these setup steps.
drop table t ;
drop function same ;
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