oracle master data management ppt

Data backup and Database Replication in Oracle user management mode The first thing to note is that Oracle Database Backup can be divided into logical backup and physical backup. Logical backup backs up data through data export, m

UNDO tablespace Management 1. For DML statements, as long as the data block is modified, the Oracle database retains the data block before the modification and stores it in the undo segment, the undo segment is stored in the undo tablespace. 2. undo Management Automatic undo

In the oracle8i version, Oracle has introduced a new way of tablespace management: a localized managed table space.Localized management means that Oracle no longer uses the data dictionary table to record the usage of the area inside the

ADD constraint Pk_cid primary key (CID); To create a stus table:CREATE TABLE Stus (Stuid Number (8),--Study No.Stuname varchar2 (20),--NameStusex char (2),--genderStuage Number (8),--ageStudate date,--Admission timeCID Number (8)); Add a PRIMARY KEY constraint for StuidALTER TABLE Stus ADD constraint Pk_stuid primary key (STUID); Add a non-null constraint for StunameALTER TABLE Stus Modify (stuname not NULL); Add a default value for StusexALTER TABLE Stus Modify (stusex dafault ' female '); To

the Normal-redundancy Disk group has a PST. The High-redundancy disk group has 5 PST if there are enough failure groups present. However, each defunct group in the High-redundancy Disk group has a PST.PST is a shadow paging used to ensure that the active PST on disk is always consistent, in time PST across multiple blocks. AU 1 satisfies the need to write two parts of PST. One is an active copy, and the other copies are used for PST updates. Once the PST is updated, the previous shadow becomes

In general, the automatic management of standby database file files is used, but sometimes manual management, such as the standby database using bare devices. Look at an example: Sql> select Name, Open_mode, Database_role, Db_unique_name 2 from V$database; NAME Open_mode Database_role Db_unique_name ------------------------------ ---------- ---------------- ------------------------------ PRIMARY READ

4. Create oracle username tablespaces, tables, insert data, and user management tables in windows and Linux Log on to the super administrator and run the following command: Create databases, tablespaces, users, and insert data in Windows -- 01 create a tablespace-- Note that the tablespace pa

;--------------------------------------------------------------------------View the protected mode of the database: select Database_ Role,protection_mode,protection_level from V$database; maximum protection: write in the master library while ensuring that it is also written in the standby (MAXIMUM PROTECTION) Maximum availability: Provides maximum protection data without affecting the main library (MAXIMUM

Oracle partition table data migration and Management Automation Process The following process is centered on the company's Oracle Database runtime environment. It is mainly written to achieve automation.Process completion tasks include1. automatically add partitions from the previous day to partition by Time2. automati

Label: 1 You should start the service before each use of the database 2 PL/SQL SQLPLUS is somewhat similar to the Eclipse used in JAVA development 3 Adding a table method to PL/SQL Developer :@ plus pathname (plus file name) 4 security can be used in the Oracle enterprice Manager Console Inside you can manage user roles and profiles Create user account status in this location if it's open, you can use this account. You can grant a user object (o