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By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0. 3609745 fiddles created (47025 in the last week).

select * from V$VERSION;
BANNER BANNER_FULL BANNER_LEGACY CON_ID
Oracle Database 21c Express Edition Release 21.0.0.0.0 - Production Oracle Database 21c Express Edition Release 21.0.0.0.0 - Production Version 21.3.0.0.0 Oracle Database 21c Express Edition Release 21.0.0.0.0 - Production 0
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