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SQL*Plus: Release 9.2.0.4.0 - Production on Tue Jul 14 18:12:38 2009
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> conn sys/sys as sysdba
Connected.
SQL> show user
USER is "SYS"
SQL> desc dba_users
Name Null? Type
----------------------------------------- -------- ----------------------------
USERNAME NOT NULL VARCHAR2(30)
USER_ID NOT NULL NUMBER
PASSWORD VARCHAR2(30)
ACCOUNT_STATUS NOT NULL VARCHAR2(32)
LOCK_DATE DATE
EXPIRY_DATE DATE
DEFAULT_TABLESPACE NOT NULL VARCHAR2(30)
TEMPORARY_TABLESPACE&n
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Using Oracle Trace Analyzer (trcanlzr.sql)
Dave Moore: Author of Oracle Utilities
Oracle has provided another utility initially designed for performance tuning Oracle Applications. Trace Analyzer is provided in the form of a PL/SQL package (TRCA$ ). The Trace Analyzer utility i ......
Most of admins neglect setting password on TNSlsnr Clients for Oracle databases. Oracle ensures that you can either connect to TNSlsnr on a localhost or through mapping to a remote Oracle database using .ora files.
This is not the case anymore Based on Jwa perl client.
This client is a FULL clie ......
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oracle 10.2.0.4 ²¹¶¡ÏÂÔØ£¨ÊÊÓÃÓÚËùÓвÙ×÷ϵͳ£©:
ftp://updates.oracle.com/6810189/p6810189_10204_AIX5L.zip
ftp://updates.oracle.com/6810189/p6810189_10204_HPUX-IA64.zip
ftp://updates.oracle.com/6810189/p6810189_10204 ......
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3.INITCAP(str) ÿ¸öµ¥´ÊÊ××Öĸ´óд
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SQL> select initcap('my_boy') from dual; --·µ»Ø"My_Boy"
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4.CONCAT(str1,str2£©Á¬½Óº¯Êý,Á¬½Óstr1ºÍstr2×Ö·û´®
5.SUBSTR(string,a[,b])·µ»ØstringµÄÒ»²¿·Ö£¬aºÍbÒÔ×Ö·ûΪµ¥Î»¡£´Ó× ......
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¡¡¡¡create table raw_test (id number, raw_date raw(10));
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¡¡¡¡insert into raw ......