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Oracle Instant Client°²×°


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instantclient-sqlplus-win32-11.1.0.7.0.zip
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classes12.jar (1,600,090 bytes) - for use with JDK 1.2 and JDK 1.3
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classes12_g.jar (2,044,594 bytes) - same as classes12.jar, except that classes were compiled with "javac -g" and contain some tracing information.
Ìí¼ÓÁ˱àÒëµ÷ÊÔÐÅÏ¢µÄclasses12.jar
classes12dms.jar (1,607,745 bytes) - same as classes12.jar, except that it contains additional code`to support Oracle Dynamic Monitoring Service.
Ìí¼ÓÁËÖ§³ÖOracle¶¯Ì¬¼ì²â·þÎñµÄclasses12.jar
classes12dms_g.jar (2,052,968 bytes) - same as classes12dms.jar except that classes were compiled with "javac -g" and contain some tracing information.  
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ojdbc14.jar (1,545,954 bytes) - classes for use with JDK 1.4 and 1.5
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ϵͳ±ív$reserved_wordsÖдæ·ÅÁËËùÓеı£Áô×Ö¡£
select * from v$reserved_words;
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create or replace package pkg_pv is
¡¡¡¡procedure set_pv(pv varchar2);
¡¡¡¡function get_pv return varchar2;
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¡¡¡¡create or replace package body pkg_pv is
¡¡¡¡v varchar2(20);
¡¡¡¡procedure set_pv(pv varchar2) is begin v:=pv; end;

¡¡¡¡function get_pv return varchar2 is begin return v; end;
¡¡¡¡end;
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¡¡¡¡µ÷Óùý³Ì£¬½á¹ûÕýÈ·Ö´ÐÐ
¡¡¡¡begin
¡¡¡¡pkg_pv.setpv('scotte');
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¡¡¡¡select * from v_emp;
¡¡¡¡°´ÕÕ´Ë·½·¨ÎÒÃÇ¿ÉÒÔ°Ñͨ¹ý°üµÄÐÎʽÀ´´´½¨Ò»¸öϵͳ±äÁ¿£¬Í¨¹ýÔÚÔËÐÐʱÉèÖÃÆäÖµ¡£À´»ñµÃ¶ÔһЩÐèÒªÔÚÔËÐÐʱÓв»Í¬ÖµÐèÇóµÄÒµÎñ´¦Àí×÷һЩ¸ü¼ò»¯µÄ´¦Àí¡£±¾ÀýÖÐÎÒÃÇÉõÖÁ¿ÉÒÔÔÚ°üÌåÀïÃæËüÉèÒ»¸ö³õʼֵ£¬Èç¹û²»µ¥¶ÀÉèÖÃʱ£¬¾Í²ÉÓóõÖµ¡£ÕâÑù¾Í¿ÉÒÔ»ñµÃ¸ü´óµÄÁé»îÐÔ
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24

DBMS_CRYPTO
DBMS_CRYPTO
provides an interface to encrypt and
decrypt stored data, and can be used in conjunction with PL/SQL
programs running network communications. It provides support for
several industry-standard encryption and hashing algorithms, including
the Advanced Encryption Standard (AES) encryption algorithm. AES has
been approved by the National Institute of Standards and Technology
(NIST) to replace the Data Encryption Standard (DES).
See Also:
Oracle Database Security Guide
for further information about using this package and about encrypting data in general.
This chapter contains the following topics:
Using the DBMS_CRYPTO Subprograms
Overview
Security Model
Types
Algorithms
Restrictions
Exceptions
Operational Notes
Summary of DBMS_CRYPTO Subprograms
Using the DBMS_CRYPTO Subprograms
Overview
Security Model
Types
Algorithms
Restrict ......
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