commit sql

Incomplete recovery based on log sequence using rman sql> select * from test;a-----123456sql>hostramn target/ rman>run{allocate channel c1 type disk;bakup full tag 'dbful' format 'd:\backup\full_%u_%s_%p' databaseinclude current controlfile;sql'

Misunderstanding of DML's use of parallelism and misunderstanding of DML's use of Parallelism I always think that we can use parallelism for DML. We only need to add the hint of parallel. Actually, no. Using alter session force parallel dml is the

Environment:OS: Red Hat Linux As 5DB: Oracle 10.2.0.4 The following describes how to simulate Incomplete recovery after archiving logs are lost.1. Back up the databaseRun {Allocate channel c1 device type disk;Allocate channel c2 device type

-- ==================================== -- Backup and recovery of read-only tablespace -- ==================================== I. Features of read-only tablespaces Use read-only tablespace to avoid frequent backup of static data When alter

Oracle does not completely restore the lost archive log, but does not completely restore the log. The purpose is to reset the log. Here, the time point is the time point after the backup set is generated. We can see that only records can be

In Oracle 10 Gb, the flash back family is divided into the following members:Flashback DatabaseFlashback dropFlashback tableFlashback query (flashback query, flashback version query, and flashback transaction query)The following describes flashback

In Oracle 10 Gb, the Flash back family is divided into the following members:Flashback DatabaseFlashback DropFlashback TableFlashback Query (Flashback Query, Flashback Version Query, and Flashback Transaction Query)The following describes Flashback

  The reason for the full table scan of the table's execution plan is as follows: No index is created for the u SQL predicate column.   The u predicate column has a corresponding index, but the execution plan is not used. Oracle does not use B *

1. Use of DUAL tables Dual is an existing table in Oracle that can be read by any user. It is often used in Select statement blocks without a target table-view the current connected user SQL> select user from dual; USER ------------------------------

I have heard of the restoration (restore) database, tablespace and database files, and the use of archive log recovery (recover) database, tablespace, and database files. Restore. What about restoring archived logs? Yes, we may ignore the archive

I have heard of the restoration (Restore) database, tablespace and database files, and the use of archive log recovery (recover) database, tablespace, and database files. Restore. What about restoring archived logs? Yes, we may ignore the archive

[Python]SQL> UPDATE fnd_concurrent_requestsSET phase_code = 'C', status_code = 'X'WHERE request_id = ' ';Commit; SQL> UPDATE fnd_concurrent_requestsSET phase_code = 'C', status_code = 'X'WHERE request_id = ' ';Commit;Sometimes, requests cannot be

  1 Overview In addition to permanent tables, the ORACLE database can also create temporary tables. These temporary tables are used to save the data of a SESSION or the data required in a transaction. When the session exits or the user commits a

A new feature in Oracle11g is the Partition Table of the system. Here is an experiment: SQLgt; select * fromv $ version; BANNER ------------------------- A new feature in Oracle 11g is the Partition Table of the system. Here is an experiment: SQLgt;

In Oracle8i or a later version, you can create two types of temporary tables: 1. Session-specific TEMPORARY table create global temporary () on commit preserve rows; 2. TEMPORARY table www.2cto.com create global temporary () on commit delete

In Oracle8i or a later version, you can create two types of temporary tables: 1. Session-specific temporary table Create global temporary () On commit preserve rows; 2. Temporary tables specific to transactions Create global temporary () On

Oracle Advanced Training Course 6th Study Notes by jackyang (JackYang.sh@gmail.com) Date: This course contains multiple experiments, has not yet passed the computer verification. Tspitr (recovery of tablespaces Based on Time points) is introduced to

Transferred from: http://developer.hi.baidu.com/#/detail/15344654this day's simple summary of the usage of cursor (cursor/cursor) in pl/ SQL. I believe many DBAs who are engaged in development or maintenance have encountered similar face-to-face

The difference among Cursor, hidden Cursor, and dynamic Ref Cursor is displayed in PLSQL. plsqlref1. Explicit cursorExplicit is relative to implicit cursor, that is, there is a clear declared cursor. The declaration of an explicit cursor is similar

Oracle 11g PL/SQL function result cache, oracle11g Two experiments have been conducted to simulate the Oracle Performance Diagnosis art. The book says that if you don't need RELIES_ON, then the changes to the objects on which the function depends