Oracle

SAP R3 Oracle 9i Client InstallationThe client system is R2 64-bit for Windows Server.Oracle database services are configured in two ways: 1. Configuration during installation, 2. Configuration via NET Configuration Assistant, Oracle database

1, the use of dual tableDual is a physically existing table in Oracle that can be read by any user, often in a SELECT statement block without a target table--View current connected userConnected to Oracle Database 10g Enterprise Edition Release 10.1.

1. CREATE TABLE SpaceCreate Tablespace Ts_awLoggingDataFile ' d:\app\Administrator\product\tablespace\ts_aw.dbf 'Size 10MAutoextend onNext 5MMaxSize 20480M;2. Create userCreate user HB identified by HBDefault Tablespace Ts_aw;3, to the user

--sales Order Lines to backorder API--===================================--set serveroutput on size 1000000DECLARE L_return_status VARCHAR2 (100);L_msg_count number;L_msg_data VARCHAR2 (2000);L_msg_index number;L_USER_ID number;L_RESP_ID

Prerequisites:Field ID and name in table Info_user, field ID is indexedField ID and name in table Data_user_info, field ID is indexedThe field ID in table Info_user is the same as the field ID value in table data_user_info.Required

Oracle to MySQL modification:1.substr ()substr (String, 0, 10) Here the test must be obtained from the first bit both substr (string, 1, 10)2.To_char ()Can only be used as a function of Oracle, compatible with Oracle and MySQL and changed to concat (

When a migration project is encountered, the MySQL InStr function can only find if the substring is in the parent string and cannot be found as many times as it appears.Here I wrote one myself in order to migrate. Of course, I'm only here for

1. Common Import and Export commands:imp (Import), exp (export)CMD-based Export import: Key words Note Userid User name/password Full Export entire file (N) BUFFER Size of

Querying the most resource-intensive queries from V$sqlareaSelect B.username Username,a.disk_reads reads,A.executions Exec,a.disk_reads/decode (a.executions,0,1,a.executions) Rds_exec_ratio,A.sql_text StatementFrom V$sqlarea A,dba_users bwhere

The following issues occurred when importing. dmp files to Oracle with Plsql:Import started on 2015/11/18 10:42:44E:\oracle\product\10.2.0\db_1\bin\imp.exe Log=c:\users\lrb\appdata\local\temp\plsimp.log file=e:\work\doc\2015-0 ~1\2015-09-11.dmp

1. What is an indexAn index is a helper object that is built on one or more columns of a table in order to speed up access to the data in the table;Oracle Storage index data structure is b* tree, bitmap index is the same, but the leaf node is

I. Description of the RowNumWith regard to Oracle's rownum problem, many of the data say that the ">, >=, =, between...and" Operators in SQL statements are not supported, and can only be used with the following operation symbols "Not to say ">, >=, =

--create the tablespacecreate smallfile tablespace "Table_container"--Create TABLE space datafile ' E:\ORACLE\ORADATA\ORCL\table_ 01.DBF '--Create data file, file location of data file size 100M--Initial size of data file autoextend on NEXT

First, install the Oracle databaseEnvironmental checks are performed prior to installation:1. Check the system version#uname-A2. View memory Size#/usr/contrib/bin/machinfo | Grep-i Memory3. View Swap Size#/usr/sbin/swapinfo-a4. Disk space size#bdfA

Execute statements in batches-disable foreign keys for all tables and disable execution statements During database migration and data import, the existence of foreign key constraints between tables causes frequent insert errors. Batch execution of

Unlock database users and database users 1. log on to and unlock the account with the dba role. First, set the specific time format to view the specific time.SQL> alter session set nls_date_format = 'yyyy-mm-dd hh24: mi: ss ';Session altered.2.

Oracle rman catalog backup and recovery, rmancatalog 1. Lost control fileStart the database to nomount: restore controlfile from autobackup/restore controlfile from '+ data/backup/contrlbak /...' -> Alter database mount-> open;2. Accidentally

Oracle Study Notes 12 subroutines (stored procedures, custom functions) and packages, oracle Study NotesSubroutine: A named PL/SQL block, which is compiled and stored in a database. Subprograms: 1. declaration Part 2. executable part 3. exception

How to optimize complex report computing by the set calculator (1) Data Source set and report Optimization There are many examples of how the calculator assists in report computing, but most of the computing difficulties occur before the data enters

Oracle 12.1.0.1 GI + DATABASE hitting PSU12.1.0.1 Patch Set Update 12.1.0.1.9 (Oct2015) machine: Two OLE6.5 machines, and the RAC preparation of 12.1.0.1 installed: Download The p6880880_121010_Linux-x86-64 (OPATCH Toolkit ),