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        <title>권남 database:oracle</title>
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        <title>database:oracle:datetime</title>
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        <description>Oracle Date Time

Format

	*  Oracle / PLSQL: TO_DATE Function
	*  Oracle / PLSQL: TO_CHAR Function


-- ISO Format 비슷하게 뽑아내기
SELECT TO_CHAR(CURRENT_DATE,'YYYY-MM-DD')||'T'||TO_CHAR(CURRENT_DATE,'HH24:MI:SS') FROM DUAL;


milliseconds

	*  DATE 컬럼은 밀리세컨드가 존재하지 않는다.</description>
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        <title>database:oracle:dbms_crypto</title>
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        <description>Oracle DMBS Crypto

	*  DBMS_CRYPTO
	*  DB 의존적인 암호화 코드 사용은 절대 비권장

활성화 및 권한 부여

Oracle 에 SYS 계정으로 접근하여


@$ORACLE_HOME/rdbms/admin/dbmsobtk.sql
@$ORACLE_HOME/rdbms/admin/prvtobtk.plb

grant execute on dbms_crypto to [계정명];
grant execute on dbms_obfuscation_toolkit to [계정명];

-- 모든 사용자에게 권한 추가
-- grant execute on dbms_crypto to public;
-- grant execute on dbms_obfuscation_toolkit to public;</description>
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        <title>database:oracle:jdbc</title>
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        <description>Oracle JDBC Driver

	*  JDBC 드라이버가 여러 MVN Repository 에 산개해 있다. 어느게 진짜냐?
	*  &lt;https://mvnrepository.com/artifact/com.oracle.database.jdbc&gt; : 가장 유력해보이는 최신 버전 유지 리포지토리
		*  &lt;https://mvnrepository.com/artifact/com.oracle.ojdbc&gt; : 최신버전이 부족함.
		*  &lt;https://mvnrepository.com/artifact/com.oracle.jdbc&gt; : 최신버전이 부족함.</description>
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