oracle sbc

Oracle object-oriented and set-oriented, oracle object-oriented This is a summary of my recent learning experience. 1. oracle object-oriented We all know that SQL is set-oriented, but it is undeniable that there are many places in oracle that reflect the object-oriented thinking. (This is also a sign that major languag

Some Oracle database query optimization suggestions are comprehensive, oracle Database 1. To optimize the query, try to avoid full table scanning. First, consider creating an index on the columns involved in where and order.2. Try to avoid null value determination on the field in the where clause. Otherwise, the engine will discard the index and perform full table scanning, for example: select id from t whe

Common oracle knowledge accumulation and oracle knowledge accumulation1. Basic operation 1. Table operation 1.1 copy and create a table Create table test as select * from dept; -- copy data and structure from a known table Create table test as select * from dept where 1 = 2; -- copy the structure from a known table but not including data1.2 copy and insert Insert into test select * from dept;1.3 create a te

[One of Oracle XE series] install Oracle XE11gR2 X64 database in Windows10_X64 environment, and create database in oraclexe I. Installation 1. Go to the Oracle official website to download the XE installation package [Download path] (Oracle Database Express Edition 11GRelease 2 for Windows x64), decompress.

Oracle execution plan mechanism to improve query performance new SQL statements is the most important component of the Oracle SQL statement execution time. However, by understanding the internal execution plan generation mechanism of Oracle, you can control the number of times that Oracle spends evaluating the connect

Oracle 8.1.7 . 4. Upgrade Oracle 10.2 Oracle provides an update tool that allows you to upgrade the database from a lower version to a later version, and the 8i can be upgraded directly 10g But 8i must be 8.1.7 . 4 (inclusive) or later versions, 8.1.7.0 is not supported. Oracle provides two upgrade Meth

Bob WynneOracle PR+ 1.2.16.506.5834Bob.wynne@oracle.com Roy LoboOracle Investor Relations+ 1.2.16.506.4073Investor_us@oracle.com Oracle responds to bea letter Redwood Shores, Calif .,12--200-2007 pmOracle Corporation (NASDAQ: orcl) today delivered the following letter to the board of directors of BEA Syst

Create a log file in oracle and an oracle Log File The syntax for creating a log file is as follows: Alter database database_name add logfile [group group_number](File_name [, file_name [,...]) [SIZE number] [reuse]; The syntax is described as follows; Group group_number is the ID of the specified group in the log file. File_name creates a log file Member for this group Size number indicates the size of log

Followed by the above article: http://ixdba.blog.51cto.com/2895551/880511 14. Install Oracle Clusterware 1) decompress the Software PackageAssume that all the database software is in the/rac directory. First, extract the two Oracle software packages as follows:[Root @ node-rac1 rac] # lsLinux_11gR1_database_1013.zip linux_x86_11gR1_clusterware.zip[Root @ node-rac1 rac] # unzip linux_x86_11gR1_clusterware.zi

ORACLE stored procedure details, oracle Stored ProcedureORACLE Stored Procedure explanation 1. Definition A Stored Procedure is a set of SQL statements used to complete specific database functions. The SQL statement set is compiled and Stored in the database system. When using this function, you can call and execute a stored procedure by specifying the name of the stored procedure you have defined and provi

1)Role of Wallet Starting from Oracle 10g R2, any user can log on to the database without a password by using Oracle Wallet (non-operating system authentication ), this is very useful for scripts that use user passwords to log on to the database for operations in shell, and does not expose the user password. for example, on the Oracle clientMkstore command settin

Oracle uses a single cursor to insert data. For example, oracle cursor Original works, from "Deep Blue blog" blog, deep blue blog: http://blog.csdn.net/huangyanlong/article/details/47143731Background Recently, some friends asked me how to insert multiple pieces of data into the target table in a single way. To solve this problem, let's make a small experiment. The communication process is as follows: The

Flash back in oracle and flash back in oracle Overview: Flash back is part of Oracle's powerful Database Backup recovery mechanism. When a logical error occurs in the database, flash back technology provides fast and minimal recovery (most flash back functions can be completed online in the database ). It should be noted that the flash back technology is designed to quickly restore logical errors. For error

Oracle logic import error: the error message "cannot create logs" is displayed. The error message "oracle logic import" is displayed. **************************************** ******************************** *************************************** Original Works are from the blog of "Deep Blue blog". You are welcome to repost them. Please indicate the source when you repost them. Otherwise, the copyright wi

// Dynamic link library path $ Oracle installation path $/bin/oracle. dataaccess. dll // Namespace reference Using Oracle. dataaccess. client; // Rough description of the Encoding Process Int rowscount = 10; // it is assumed that 10 records need to be deleted. Oracle. dataaccess. Client. oracleconnection connection = n

C:/> imp neohkdev1/XML full = y file = C:/neo.20070411.dmp Import: Release 10.2.0.1.0-production on Thursday April 12 10:06:45 2007 Copyright (c) 1982,200 5, Oracle. All rights reserved. Connect to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-ProductionWith the partitioning, OLAP and Data Mining options Export File Created by export: v09.02.00 in the direct pathThe zhs16gbk Character Set and a

Oracle post-installation directory structure[Email protected] admin]$ cd/u01/oracle[email protected] oracle]$ LLTotal 20Drwxr-x---3 oracle oinstall 4096 06-04 16:19 admin--oracle trace files and log filesDrwxr-x---3 oracle oinstal

Tags: use content to verify global targe System Management Services Track-o first , Oracle installs with three default users ? Sys: The owner of the database object. Permissions are highest. Password can be changed during installation (password management) ? System: Database administrator, password as manager ? Scott: A regular user, password for Tiger see three different authentication mechanisms for connecting to

Tags: and jobs no way Visio PPT Art Insert basic action Oracle 's system is too large. For those who have just started to learn, it is inevitable to have some sense of how to start. After a semester of learning , we have a deep understanding of Oracle Learning and have learned some of the main knowledge of Oracle . So learn to get started a little faster. This

Reference Document: Oracle e-business Suite installation and Upgrade Notes Release (12.1.1) for Linux x86-64 (document ID 761566.1)1. File System RequirementsInstallation media 46G, extracted files are about 46GThe database Software installation directory needs about 55G spaceApplication-level Software installation directory probably requires space of 30G space2. Create related users and directories# Edit create_user_directory.sh after execution[email