Oracle

C # Use System. Data. oracleclient to connect to the Oracle database. Previously running normally on WINXPProgramAfter porting to Windows 2008 x64, the database cannot be connected. The error message is as follows: Badimagefomatexception is thrown

Run Asp.netProgramWhen you use ibatis to connect to the database, the title is incorrect. When you view the detailed error, you will find that the Oracle client software 8.1.7 is required.At first, I found that Oracle had to be re-installed, So I

When I use ORACLE 10 Gb, I use system to log on to the enterprise manager, but I can log on to some Oracle functions (for example, after logging on, click the "manage" menu to open the management interface) the following errors may occur: Io

Basic Import and Export commands for Oracle10g/11g: ExpUser Name/User Password@ Service name File=Save path. dmp Buffer=8192Filesize=10000 m feedback=1000 imp username/user password @ service name file = file path. dmp full = y Generally, data

  Table join update statement: Scenario: Table: Am_approve_list_log_sammy Am_approve_list_sammy   Update field: Emp_id, approver_sequence, approver_id   Join field: Emp_id, approver_id   Method 1: Update Am_approve_list_log_sammy

During routine Oracle maintenance, DBAs often need to kill sessions in the following two situations:1. The app complained that their application had hung and found that their session was blocked by other sessions in the database. In this case, the

-- The number of decimal places can be up to 9 digits, and the tenth digit is not displayed.Create Function to_char (v_value double, v_decimal INT) -- v_value passed in value, v_decimal decimal places (not implemented yet mainly for retaining

As an important mechanism in Oracle, SCN (system Chang number) plays an important role in data recovery, data guard, streams replication, and synchronization between RAC nodes. Understanding the operating mechanism of SCN can help you gain a deeper

Function: Oracle Data Import/Export imp/exp is equivalent to Oracle data restoration and backup. In most cases, you can use ORACLE data import and export to back up and restore data (without causing data loss ). Oracle has a benefit. Although

Oracle Database Synchronization Technology Advanced ReplicationWhat is replication? Simply put, replication is the process of copying data in a distributed database environment consisting of two or more database systems.Advanced Replication is

Some colleagues often ask questions about character sets in Oracle databases, such as data migration in different databases and data exchange with other systems, migration failure or garbled data in the database is often caused by different

Import Java. SQL. connection; import Java. SQL. drivermanager; import Java. SQL. preparedstatement; import Java. SQL. resultset; import Java. SQL. sqlexception;/*** JDBC connection to Oracle Database ** @ author zhanqi **/public class Oracle

Oracle performance monitoring script 1. Waiting for monitoring cases Select event, sum (decode (wait_time, 0, 0, 1) "Prev ",Sum (decode (wait_time, 0, 0) "curr", count (*) "tot"From v $ session_waitGroup by event order by 4; 2. rollback segment

Author: eygle [Copyright Disclaimer: When reprinting, please be sure to mark the original source and author information of the article in the form of hyperlinks and this statement] Link:

1. system. Data. oracleclient and system. Data. oledb namespaces AlthoughHowever, the Oracle database can be accessed through the classes in the two namespaces, but similar to SQL Server (system. Data. sqlclientThe namespace class efficiency is

The configuration of ASM in Oracle RAC can be implemented in two ways: raw and asmlib. Raw is recommended for actual maintenance.   There are two ways to use raw: Multipath and udev. On the RedHat platform, refer: RedHat 5.4 + ASM + raw + Oracle 10g

• Top print reply alert moderator Subject Connection to SDE Oracle Author Mourad abusall Date Jun 25,200 7 Message I created this code to connect on GeoDatabase SDE and this Code not working I don't

I hope that I can clearly analyze the primary and foreign key tables and field information like SQL Server, use an SQL statement to write out the one-to-one correspondence between the fields in the primary and foreign key tables, and find them

Windows -- Unix Microsoft uses the Windows NT technology and releases an upgraded version of Windows NT, Windows 2000. However, the defects in the management of memory and CPU resources in Windows operating systems have not been greatly improved.

Restore the tables drop by pl SQL in oracle by mistake View tables in the recycle bin Select object_name, original_name, partition_name, type, ts_name, createtime, droptime from recyclebin; Restore table SQL> flashback table test_drop to before drop;