Oracle

Creating and removing PDBs with Sql*plusThis chapter contains the following topics: About Creating and removing PDBs Preparing for PDBs Creating a PDB Using the Seed Creating a PDB by plugging the Unplugged PDB into a CDB

1)Backup Delete $oracke_home/xxxx-sid's em directory; Copy the Xxx-sid em name directory to be created;Backup Delete $oracke_home/oc4j/j2ee/xxxx-sid's em directory; Copy the Xxx-sid em name directory to be created;2) I do not know if this step

1, create a temporary table space when creating a tablespace, the DBF file is generally stored in the datafile file directory (usually under the name of the instance folder) can be through the select * from V$datafile; View all data file storage

"This article describes"This article will describe common commands for using Oracle, not "Daquan", but less practical."Command Introduction" Describe: Command: Database (1) To view the encoding

"This article describes"This article describes how to use the graphical tools Navicat for Oracle to connect to the local database and the remote access server database.【】Http://www.navicat.com.cn/download/navicat-for-oracle"11G version access to

Problem reproduction:The account was locked out due to a change in the password of the Oracle account to exit reconnecting Oracle.Please Baidu June out uninstall, the problem has been resolved.//asalteruser testuser (account to be unlocked) unlock;

Sql> CREATE TABLE Scott.t1 (ID number, Val varchar2 (8));Table created.sql> CREATE SEQUENCE scott.t1_id_seq INCREMENT by 1 START with 1 nomaxvalue nocycle;Sequence created.Sql> Create or Replace trigger Scott.t1_id_trigger2 before insert on SCOTT.T1

The paging property is set in the DataGrid of the foreground Easyui:pagination:true,//display paginationPageposition: ' Bottom ',//page bar position both up and down bottom, toppagelist:[12,24,36]//Paging Data sizeIn the background Java code int

Oracle supports normal in the form of a CTE to be handed back to the inquiry, but also has its own special inquiry method, Oracle files called the hierarchy of the inquiry.Here's a simple example of these two kinds of inquiries.To prepare:CREATE

How C # Massive data is inserted into a database instantaneouslyWhen we do a large number of data append in the database, is not often because the data volume is too large and distressed?The so-called massive data, generally also tens of thousands

If there is a table below, where the number of rows for each I value is variableSQL code Sql> SELECT * from t; I A D ---------- ---------- ------------------- 1 b 2008-03-27 10:55:42 1 a 2008-03-27 10:55:46 1 D 2008-03-27 10:55:30

The last two days have been in for the installation of Oracle configuration monitoring can not be saved and then find a variety of solutions, and finally I actually configured it.Because of the lack of listening files, copy others into their own

Original digest from: http://heisetoufa.iteye.com/blog/504068'Module CodePrivate Declare FunctionCreateStreamOnHGlobalLib "ole32"(ByValHglobal as Long,ByValFdeleteonrelease as Long, ppstm asAny) as LongPrivate Declare FunctionOleLoadPictureLib

"Deep analysis Oracle-eygle" study notes1. Memory ManagementThe memory used by the Oracle database involves two main areas: the PGA and the SGA.1.1 PGA ManagementThe PGA refers to the program global Zone, which is the area of memory used by the

Recently read Oracle data, understand the concept of rownum, previously only known to the database table simple additions and deletions; After seeing the concept of rownum, I suddenly thought that a lot of business scenarios should be applicable,

Milliseconds converted to dateSELECT To_char (1406538765000/(+ *) + to_date (' 1970-01-01 08:00:00 ', ' yyyy-mm-dd HH:MI:SS '), ' yyyy-mm -dd HH24:MI:SS ') as CDATE Date conversion millisecondsSELECT To_number (to_date (' 2014-07-2

1. MERGE into uses:Merge into is a new syntax for Oracle 9i, supplemented at 10g, to merge update and INSERT statements, connect to another table based on one table or subquery, and join condition matchingUPDATE, do not match the INSERT, this syntax

An error occurred while logging on when the Oracle user password contains special characters. The oracle user password When the password of an Oracle Database User contains special characters such as @, the user can directly use the normal password

Steps for viewing and modifying the maximum number of connections in ORACLE Step 1: On the cmd command line, enter sqlplus Step 2: Enter the user name and password as prompted 1. view the processes and sessions Parameters SQL> show parameter

When there are more than 64 logical CPUs, the Windows Oracledb instance will be hang (suspended) when it starts (startup)Bug 9772171-Database startup hangs on Windows when machine has more than 64 cores [ID 9772171.8]This article has already stated