Oracle

First, verify that the Scott user exists Log in to su-oracle with an Oracle user, then log in to the database with the SYS user $sqlplus / as sysdbaSQL>conn scott/tigerORA-28000：the account is lockedThis indicates that the SOCTT user is locked or

original link: http://www.oracle-developer.net/display.php?id=411Oracle Advanced Queuing IntroductionAdvanced Queuing Advance Queuing (AQ) is available in multiple versions of Oracle. He is Oracle native messaging software and is being strengthened

The Chr () function converts ASCII code to character: character – ASCII;The ASCII () function converts a character to an ASCII code: ASCII code-"character;In Oracle, the CHR () function and ASCII () are a pair of inverse functions.Chr () Function

First, EXPDP and IMPDP instructions for useOracle Database 10g introduces the latest data Dump technology, the role of data Pump export import (EXPDP and IMPDP)1) Implement logical backup and logical recovery.2) Move objects between database users.3)

ASP. MVC4 + Oracle + Easyui + Bootstrap Chapter II-improving website performance with AjaxThis article link: http://www.cnblogs.com/likeli/p/4236723.htmlArticle collection: http://www.cnblogs.com/likeli/category/651581.html1. Partial view of MVC

1 SCAN OverviewBefore a netizen in my blog message said my RAC build did not write scan configuration, this should have been written before, but just searched a bit, did not find, just re-clean up, and do the experiment, the experiment with Oracle 12

for the analysis function, you should pay attention to:1The parse function is performed after the end of the SQL query (the execution of the order by in the SQL statement is special), that is, the order by in the SQL statement also affects the

Total two sheets t1,t2Table Structure of the T1650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/56/C3/wKiom1SM7aDh9FgMAAFNXvJU8Ms226.jpg "title=" 1.png " alt= "Wkiom1sm7adh9fgmaafnxvju8ms226.jpg" style=

1. After revaluation of USD currency, the amount of non-write-off in the local currency of the collection statement is 36,741.61 yuanThis difference is exactly the same as the revaluation 001.0.1122020103.0.0.0.0 account amount2, trace the source of

The following errors were reported repeatedly when importing data to Oracle:IMP-00003: Encountering ORACLE error 1659ORA-01659: Unable to allocate more than 1 minextents (in tablespace Zsta_data_tbs)IMP-00003: Encountering ORACLE Error 1658ORA-01658:

This tutorial uses examples to illustrate how to create and delete synonyms (synonym) in Oracle data.ConceptSynonyms refer to database objects (database objects such as tables, views, sequences, stored procedures, and so on) that are referenced by

Affected version: Oracle11g or later. Causes the password to disappear: The default Password_life_time password validity period in Oracle 11g defaults to 180 days. When the client logs on to Oracle prompt ORA-28002, it is basic to determine that the

Oracle Regular Expression practiceIntroduction Oracle 10g introduced support for regular expressions in SQL andPL/SQL with the following functions. Oracle 10 Gb supports the following regular expressions in SQL and PLSQL:REGEXP_INSTR-Similar to

Subquery 4 (use subquery in select clause), select clause Example 1,Query the number, name, location, department count, and average salary of each department. SELECT d.deptno,d.dname,d.loc, (SELECT COUNT(empno) FROM emp WHERE emp.deptno=d.deptno

Using Netback to back up Oracle Reports ora-27206 error handling Today, my colleague encountered a problem with database backup. The error message is as follows: channel ch01: starting piece 1 at 2015-01-12:22:06:56RMAN-03009: failure of backup

Oracle DML Error Log (Note), oracledml DML error log is an error log function introduced by oracle10gR2 similar to SQL * Loader. The basic principle is to transfer any records that may cause statement failure to an error log table. The specific

Database Optimization-create and classify oracle table partitions When the amount of data in a table increases, the speed of data query slows down, and the performance of applications degrades. In this case, you should consider partitioning the

Jobs that must be completed by Oracledba in advance before business system stress testing Before the business system stress test, the Oracle dba must complete the following work in advance: 1. If Oracle database software is not installed by dba,

Oracle Database SYNONYM (SYNONYM) Usage This tutorial uses examples to illustrate how to create and delete Synonyms (SYNONYM) in Oracle Data ). Concept Synonyms refer to database objects (tables, views, sequences, stored procedures, and other

Calculation Formula of average transaction response time in Oracle Database Calculation Formula of average transaction response time in Oracle Database Note: This formula is taken from: eel , p316 Top 5 Timed Events Event Waits