Oracle

First, view the usage of table space in Oracle databaseSelect A.tablespace_name "tablespace name", Total "tablespace size", free "table space remaining Size", (total-free) "Tablespace use size", total/(1024 *1024*1024)

Writing SQL statements using(OracleConnection conn =NewOracleConnection (oraclestring)) {Conn. Open (); vartrans =Conn. BeginTransaction (); stringstrSQL ="INSERT INTO Myjyyzj_print

Create a stored procedure that returns the number of people in the department and the maximum wage, with the department number as the parameter.CREATE OR REPLACE PROCEDURE return_deptinfo (P_deptno emp.deptno%type, p_avgsal out Emp.sal%type, p_count

In the development process, the Oracle database is sometimes connected, sometimes not even, prompting the following exception "Ora-12519:tns:no appropriate service handler found resolved", It is possible that the current number of connections on the

After successfully installing Oracle 11g in accordance with the methods in Windows 7 64-bit installation of Oracle 11g R2, there are 7 services that have the meanings of seven services, respectively:1. Oracle ORCL VSS Writer service:oracle Volume

Oracle row to column first look at the source data:Method One: Wm_concat group By this method is not a problem .SELECT code_ts, 1 ' : ' | | ELEMENT) ELEMENT where code_ts='020745' Group by Code_ts;The results obtained:You may

Oracle Tips by Burleson ConsultingOctober 26, 2008Question:  I need A-verify that my OEM and isqlplus and Oracle services is started. How does you start the Oracle services?.Answer: Oracle Windows processes is more difficult to manage as services,

Java.lang.ClassNotFoundException:oracle.jdbc.driver.OracleDriver Wrong Solution (2011-05-05 16:08:05) reprint ▼ Tags: gossip Category: Oracle This problem occurs, the main driver package is not put into the project,

Meaning of creating table parametersCeateTabletablename (...) tablespace ABC--The tablename of the table segment is placed in the table space ABCPctfreeTen --Keep 10% of the space reserved for update block data useInitrans1

There are 4 types of Oracle integrity constraints: disable novalidateenable novalidatedisable VALIDATEenable VALIDATE Disable novalidate does not validate both the original and the new data. For read-only tables for improved performance. This state

The original field type is VARCHAR2, in fact, are numbers, you want to change the field type to number, error Ora-01439:column to be modified must is empty to changes datatypeWorkaround:TableName is the table name, ColName is the name of the field

How to temporarily activate a physical standby library for testing under Oracle 10g/11gIn the actual operating environment, we often encounter such a demand, such as want to not affect the current network business evaluation DB Patch running in the

Set up oracle linux official yum source, oracleyum References: http://blog.itpub.net/26524307/viewspace-1063925/ View version: [Root @ datanode68 yum. repos. d] # lsb_release-LSB Version: base-4.0-amd64: base-4.0-noarch: core-4.0-amd64:

Oracle Database cursor case and source code (2) For detailed analysis of this case, see the Oracle database cursor case and source code. Http://www.bkjia.com/database/201504/393681.htmlCase requirements: Use a cursor to convert the data of two

Orecle returns an error when deleting a table ORA-24005: using an inappropriate utility to execute ddl on the aq table ** Recently, I want to copy the entire database from the server. Therefore, a new database is created locally. When deleting

The ORA-01189: fileis from a different RESETLOGS than previous files is prompted when you recreate the control file   Create controlfile reuse database "EDWPROD" resetlogs archivelog * ERROR at line 1: ORA-01503: create controlfile failedORA-01189:

Oracle scott table structure and simple query instance analysis, oraclescott This article describes the scott table structure and simple query methods in Oracle. Share it with you for your reference. The specific analysis is as follows: 1. scott's

OraclX64 and plsql Miscellaneous First install orcal X64. Configure \ tnsnames. ora with orcal NetManger. After installation, use sqlplus to check whether the client has been installed. Enter sqlplus and prompt to enter the user name. Enter user/

Linux Oracle service startup & stop script and Automatic startup After installing Oracle 10g R2 in CentOS 6.3 and restarting it, you will find that Oracle is not started on your own. This is normal because Oracle Installation in Linux does not start

Oracle shared service connection static registration service Oracle shared service connection static registration service By default, the oracle shared service is registered to the dynamic registration service.  Sys @ PROD3> select * from v $