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select * from V$VERSION;
BANNER BANNER_FULL BANNER_LEGACY CON_ID
Oracle Database 18c Express Edition Release 18.0.0.0.0 - Production Oracle Database 18c Express Edition Release 18.0.0.0.0 - Production Version 18.4.0.0.0 Oracle Database 18c Express Edition Release 18.0.0.0.0 - Production 0
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