how to take dump of oracle database

Oracle Common Dump command Memory Dumps 1). Global Area ALTER session SET The EVENTS ' immediatetrace name Global_area level n '; 1 contains PGA 2 contains SGA 4 contains UGA 8 contains indrect memory 2). Library Cache ALTER session SET The EVENTS '

One, Oracle trace fileThere are three types of Oracle trace files, a background alarm log file that records the activity of the background process during startup, shutdown, and operation of the database, such as tablespace creation, rollback segment

One, Oracle trace FileOracle trace files are grouped into three categories: One is the background alarm log file that records the activity of the background process during startup, shutdown, and running of the database , such as table space

Oracle Trace Files Oracle trace files are grouped into three categories: One is the background alarm log file that records the activity of the background process during startup, shutdown, and running of the database, such as table space creation,

SystemState Dump introduction by janezhang-oracle on December 13, 2012When a database has a serious performance problem or hang, we are very much in need of systemstate dump to know what the process is doing, waiting for what, who is the resource

When the database has a serious performance problem or hang, the server side Sqlplus also can not connect, at this time if you want to get the current state information of the database, in order to diagnose afterwards, then we very much need to

Problem:1. How are data types such as number, Char, varchar, and date stored in Oracle? What is a byte stream?2. What is the length of the byte used by various data types? Select dump (1), dump (123456), dump (-123456), dump (1234567890123456) --

When there are serious performance problems or hang in the database, we need to systemstate dump to know what the process is doing, what is waiting for, who is the resource holder, and who is blocking the others. In the case of these problems,

The Oracle tutorial you are looking at is about backup of Oracle databases. One, meaning: When we use a database, we always want the contents of the database to be reliable and correct, but due to computer system failure (hardware failure, network

The Oracle tutorial you are looking at is about backup of Oracle databases. One, meaning: When we use a database, we always want the contents of the database to be reliable and correct, but due to computer system failure (hardware failure, network