[Oracle] 오라클 버전 확인

SELECT * FROM V$VERSION
  WHERE BANNER LIKE 'Oracle%';

BANNER                                                         
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Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - 64bi


SELECT * FROM V$VERSION;

BANNER                                                         
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Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - 64bi
PL/SQL Release 10.2.0.2.0 - Production                         
CORE 10.2.0.2.0 Production                                     
TNS for IBM/AIX RISC System/6000: Version 10.2.0.2.0 - Productio
NLSRTL Version 10.2.0.2.0 - Production