Oracle

#!/bin/bash #-------------------------------------------------------------# Migrate the trace logs from Oracle to the data hard drive #----------- --------------------------------------------------# @author Alexander #--------------------------------

Recently looking for a problem, the passenger flow tool in Ado+oracle remote access to the database when some of the machines reported errors, as shown in the title, the same passenger flow center Vascenter also have the same problem-----test

1. What is a cursor. The mechanism by which the result set is retrieved from the table, and each point from which a record is interacted. The property (result set) that is used to manage the data returned from the data source. These properties

1.clob field Insert value Create or replace procedure Updateclob ( table_name in VARCHAR2, field_id in Varchar2, Field_name in Varchar2, v_id in number, V_pos in number, V_clob in VARCHAR2) Is -- ------------------- /**//* Dynamic pl/sql, CLOB Field

Decode (divisor, 0, show 0%, not zero normal expression) instead of the original that there is a possibility of 0 of the expression in addition to the error Resolution: Select Decode (b,0,0,a/b*100) per from AA; (1) The meaning of decode Meaning

Oracle database default time format can only be accurate to the day (DD-MON-RR), in the actual work environment, the development program usually needs to obtain a time value of accurate to seconds, the query data in Oracle to modify the time value

      Openscript is now a strange name for many people, but it is estimated that with the 9.0 official version of the market in June, it will be known to more and more people, And users will find this tool really useful, especially for users who are

Problem Description: If a table space has more than one user, then we will be in the migration, if exported by the user import, it would be a troublesome work, this time we can through the Transport_tablespace parameters of the table space migration

Oracle has two functions: lead and lag, which are the analytic functions used to compute offsets, and the two functions are the same in use. The Oracle official documentation explains: The lead is a analytic function. IT provides access to more

Original works, allow reprint, reprint, please be sure to hyperlink form to indicate the original source of the article, author information and this statement. Otherwise, legal liability will be held. http://linuxtro.blog.51cto.com/1239505/289197 ---

The ORACLE+ARCSDE is a very common spatial data storage scenario, and the following steps are used to create an enterprise-class geodatabase in Oracle. 1. Install Oracle correctly, create database instance (such as default ORCL) and tablespace (such

Multiple-choice questions (20 points, 4 points per question)1. When using cursors to modify data, use the. For update leverages which features of the transaction. （）A, AtomicB, consistencyC, PermanentD, Isolation The following statement, the correct

The lag and lead functions can fetch the first n rows of data (lag) and the latter n rows (leads) of the same field in the same query. This type of field can be implemented using table joins to the same table, although using lag and lead functions

"reprint": Set up a stored procedure with out parameters, the results have been established job task failed, and later found the article to know why. Currently, the popular mainstream database has this feature, the most representative of Microsoft

Problem Description: The client front desk applies a certain operation hang live, no error or operation normal end prompt. View the lock information as follows: Sql> with LK as (select Blocking_instance| | '. ' | | blocking_session blocker,

SELECT * from V$version; Select banner from Sys.v_$version;The results are as follows:BANNER1 Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-prod2 Pl/sql Release 10.2.0.1.0-production3 CORE 10.2.0.1.0 Production4 TNS for 32-bit

Difference between left Outer join and Outer Association (+) in "original" Oracle 2008-03-23 16:22:37 url:http://space.itpub.net/?uid-6517-action-viewspace-itemid-216974 difference between on and where in Oracle's left join 2009-09-28

First, create temporary space Create temporary tablespace user_tempTempfile ' E:\APP\SCOTT\ORADATA\ORCL\user_temp.dbf 'Size 50mAutoextend onNext 50m maxsize 20480mExtent management Local; Second, create the data table space Create Tablespace

Install Oracle Instant client locally, download, extract, configure environment variables, execute sqlplus, and the error is as follows: [Root@abc ~]# SqlplusSqlplus:error while loading shared libraries:libaio.so.1:cannot open Shared object file:no

 Single line function A function is the same as the functionality of a method in the Java language to perform functional support for certain operations. And now the Oracle database weight also contains a large number of single-line functions,