Oracle

How to import Oracle database data to excel Author: He taoping In today's era of rapid information development, users often encounter the problem of Switching Data in Excel files to data in Oracle databases, operations on real-time data are

Next I will summarize how to save images to sqlserver, Oracle, and access databases.First of all, we need to understand that the image is saved in the database in binary format, so the steps to save the image to the database generally include these

Summary This article briefly introduces how to access the Oracle database using ASP. NET. First, it introduces the installation of components. Secondly, it briefly describes the core classes contained in system. Data. oracleclient. Finally, it

This error is also caused by operations on a table, such as update and truncate. In addition, if the transaction is not committed, other operations may also cause this exception. ORA-00054 resource busy and acquire with Nowait specified Cause:

The static initialization parameter of blank_trimming controls whether the string trailing space is automatically truncated! So that the length of trailing spaces does not need to be considered during calculation between [columns] or [variables] of

Some time ago, due to testing needs, some Oracle instances were installed, uninstalled, and green on the XP Server.Program. Result: An error occurred in the Oracle network library! The key is that the system has no other problems, just because the

sub- Program and package summary: A subroutine is a named PL/SQL block. It can contain parameters and can be called whenever necessary. PL/SQL has two types of subprograms: process and function. A process is used to execute a specific

Set the character set of window: Regedit-> HKEY_LOCAL_MACHINE-> Software-> Oracle-> homeo-> nls_langWindows: SimplifiedAmerican_america.zhs16gbk View character set in DOS: Echo % nls_lang % Data Migration in different databases and data exchange

Summary: There are now two tables: person and department. The person table is a sub-table, and the department table is a parent table, which is associated with the foreign key deptid. Now you need to insert data in batches: Each time a

call the stored procedure for data insertion: // Call the stored procedure to insert a record bool cdbtestappdlg: insertrecord () {cadoparameter param1, param2, param3; cadocommand comm; If (conntodb () {comm. setconnection (m_pconnection);

+ ---------------- Install and configure Oracle 11g R2 on centos 5.5 ----------------- ++ -------------------------------- By kerryhu ------------------------------------ + I. Runtime EnvironmentSystem Environment: centos 5.5 32-bit (graphical

Reprinted:   How to solve Oracle Exp-00003 Problems The day before yesterday when the data import occurred Exp-00003 error, also encountered this problem before, then the solution is to the database server local export, the problem solved,

We know that sequence is not supported in MySQL. Generally, this field is auto-incrementing by the time the table is created. For example, create table table_name (ID int auto_increment primary key ,...); Or alter table table_ame add ID int auto_

1. Backup: 1.1. Create a database_exp.bat batch file First, create the DMP and log files for seven days, and then create a batch file for exporting the database. This script can back up the database for the last seven days, as shown in database_ext.

From: http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-10201-088211.html Oracle Database 10GRelease 2 JDBC drivers   Oracle Database

Oracle 11g client Configuration First download several compressed packages from OTN For: http://www.oracle.com/technology/software/tech/oci/instantclient/index.html Then select different downloads based on your platform. I installed them in

Operating System: Windows Server 2003 sp2 Memory: 2 GB 1. Download the Oracle 11g address Http://download.oracle.com/otn/nt/oracle11g/win32_11gR1_database_1013.zip Basic installation After decompression, you can install it. Run Setup. EXE and run it

When developers in Oracle write their own SQL functions, the entry parameter name should not be the same as the field name of the table in the SELECT statement. Otherwise, although the compilation succeeds, the running result is often

Yesterday I changed the win7 system, in the database oracle 10g, it was good to start the installation, but this error always occurred during the creation of the database: ora-12546 tns permission denied. This error occurs when the database

Oracle provides Partitioning technology to support VLDB (Very Large DataBase ). The partition table judges the partition columns to store different records in different partitions. Partitions are completely transparent to applications. Oracle