oracle database patching strategy

Since Oracle database backups are available in three ways, each with different recovery characteristics, you should integrate database and file system backups, integrate logical and physical backups. First, backup strategy 1. At the operating system level, with a large-capacity disk array, each

using not easily on indexed columns, we want to avoid using not on indexed columns, and not on indexed columns using the same ripple of functions. 3. When Oracle "encounters" not, he will still use the index to enforce full table scans. 4. Avoid using calculations on indexed columns. In the WHERE clause, assume that the indexed column is part of the function. The optimizer will take advantage of the full table scan without indexing. 5, as little a

Oracle Database 11g performance optimization strategy-optimizing Table PerformanceIntroduction 1-1 Create a database with optimal performance problem description www.2cto.com you realize that when you first create a database, there are some attributes (if enabled) it will ha

The recovery of a missing database file depends to a large extent on the backup strategy used. Based on the flexibility of recovery, this paper discusses the backup and recovery strategy of Oracle8 database, and gives the project development example of the script file which automates the backup process under Windows 20

The Oracle database uses that primary key generation strategy 1. Automatic Growth identity: For MySQL, DB2, MS SQL Server, a database-generated primary key for generating unique identities for long, short, int types Using the self-added fields of SQL Server and MySQL, this method cannot be placed in

source. The identifier generated by the high-low-level algorithm is unique only in a particular database. Seqhilo Use a high/low algorithm to efficiently generate Long,short to get an int type identifier, given the name of a database sequence Uuid Generates a string-type identifier with a 128-bit UUID algorithm, which is unique across a network, and the UUID is encoded as a string of 32-bit 16-digit digits

oracle| strategy What is Oracle's strategy for Linux? Oracle fully supports the Linux operating system. In fact, Oracle is the first commercial database available for Linux. By using Oracle's industry-leading offerings to support

Exp and IMP are a logical backup tool provided by Oracle. Logical backup creates a logical copy of the database object and stores it in a binary dump file. This logical backup needs to be used in the case of a database startup, whose export is essentially reading a database recordset (or even a data dictionary) and wri

To establish an incremental backup:If the database is running in non-archive mode, only if the database is cleanly shut down (in normal,Immediate, transactional mode off) for consistent incremental backups, if the database is running in amode, it can be done in the database shutdown state, or it can be backed up in a

Tags:control1.0targedbf table spaces archappend backup strategy home Oracle 12c Backup and recovery strategy (Rman Backup [Open Archive/control file/data File/Archive log]): Backup strategy: * Make a full backup of the database (including all data and read-only tablespace)

Rman> CONFIGURE RETENTION POLICY to redundancy 2;Rman> CONFIGURE RETENTION POLICY to RECOVERY WINDOW of;Enable control file automatic backup and backup storage location configurationRman> Configure Controlfile autobackup on;View configuration informationRman> Show All;---------------------------------------------------Create Folder$mkdir/home/oracle/backupMkdir/home/oracle/backup/scriptMkdir/home/

Recently in the learning database of read-write separation and master-slave replication, the use of a master multi-slave strategy, using polling method, read the contents from the database. However, if a certain station from the database down, and the client does not know, each round to choose this from the

, Many of Oracle's latest features have emerged. PL/SQL is also the cornerstone of a very successful Oracle Application Express. Both authors of this book have over 20 years of experience in database application development and are familiar with various problems related to Oracle database operations using PL/SQL. In th