Oracle

OracleHandling of invalid listeners in the service revised by: Huang Kai E_mail:Hk_sz@163.com   If youControl Panel/management tools/servicesDouble-click to openOracleorahome92tnslistenerSee its"Executable

When Oracle 10g R2 is installed in cenotos 5.3 Chinese environment, the graphical interface is displayed, and Chinese characters are garbled. After searching on the Internet, it is found that the library used for Oracle installation is not

Recently, I was preparing to take some Oracle training exams for OCP certification, but I have not found a detailed and authoritative course introduction and examination content many times after Google, I browsed it carefully at Oracle University

1. Unable to save adding a listener Solution: Set the computer user permissions to a minimum and restart the computer. (Control Panel \ User Account and home security \ User Account \ Change User Account Control settings)   2. When configuring

    The import and export functions of Oracle databases are very powerful, which are summarized as follows:   1. Use the exp/IMP tool in PL/SQL to export/import Oracle Data   Importing and exporting Oracle Data imp/exp is equivalent to restoring and

Basic Concepts The Oracle database is divided into logical regions called tablespaces-forming the logical structure of the Oracle database. I Oracle databases can have one or more tablespaces, while one tablespace corresponds to one or more physical

SQL> set autot trace SQL> select owner, object_name from 2 (select a. *, rownum as rn from 3 (select owner, object_name, rowid from t_test1 order by owner, object_id) 4 where rownum 5 where rn> = 11;   10 rows selected.     Execution Plan -----------

Document directory Oracle learning Summary (2) Oracle learning Summary (2) The main content of this article includes: Implement Auto-incremental ID in Oracle and delete repeated records in the data tableI. Auto-incrementing Id 1. First create

Document directory Oracle learning Summary (1) --- rowid Oracle learning Summary (1) --- rowid We often encounter rowid in Oracle. This article is a summary of my own learning experience based on my articles about prawns on the Internet.I. rowid

Instr (source string, target string, start position, matching serial number) In Oracle/PLSQL, The instr function returns the position of the string to be truncated in the source string. It is retrieved only once, that is, from the start of the

This is an operation to export all objects under the user's ebmall to the ebmall. dmp file under the test directory. The recorded log file is ebmall. log. Expdp xxyy/xxyyp schemas = ebmall directory = test dumpfile = ebmall. dmp logfile = ebmall.

Since Oracle does not have the for win7 version, you must download the for vista_w2k8 version, decompress the Oracle 10g installation image to the hard disk, and then modify the rehost in the installation directory. XML and oraparam. INI files.:Http:

1. Create a test table Create Table g_test (ID number (12 ),C_date date ); 2. Create a stored procedure Create or replace procedure prc_g_test isBeginInsert into g_test values (seq_cam_action_id.nextval, sysdate );End prc_g_test; 3. Create a

Introduction:During the development process, there are often modules that need to prepare reports or data statistics. Here we will record the oralce functions that have used to prepare reports during the development process. Several principles for

Create Table wzw_sales(Acct_no number (5 ),Person varchar2 (30 ),Sales_amount number (8 ),Week_no number (2))Partition by range (week_no)Subpartition by list (acct_no)(Partition part9 values less than (9)Tablespace dw_cdr_dataPctfree 10Pctused

Create or replace procedure pro_check_data isV_objectid varchar2 (100 );V_objectid1 varchar2 (100 );V_objectid2 varchar2 (100 );V_objectname varchar2 (100 );V_relaobjectid varchar2 (100 );V_priobjectid varchar2 (100 );V_sql1 varchar2 (1024 );V_sql2

Index plays an important role in Oracle SQL-TUNNING, index is divided into B-TREE index, bitmap Index two categories, but need to emphasize particularly is the index organization table, clustering these two most Special Indexes! Where the most used

In Oracle databases, tables are the most basic content. It can be said that the quality of table design is directly relatedDatabasePerformance. Therefore, when designing a table, in addition to complying with its inherent database principles, you

Using system; using system. data; using system. collections. generic; using system. configuration; using system. data. oracleclient; using system. text; using system. io; // /// Oracle database operation class /// internal static class

In the Command Prompt window (cmd.exe), enter 1. Step by step 1. Step-by-Step Export C: \ Documents ents and Settings \ Administrator> exp Username: userid (the user created in the database under security) Password: Password Buffer size for input