When Oracle opens a mounted database, the database is available for normal operations. The following picture illustrates the Oracle database startup process: Oracle STARTUP command# The basic syntax of theSTARTUPcommand is as follows: STARTUP;Code language:SQL (Structured Query Language)(sql) It...
The database must be named with the DB_NAME parameter either in the initialization Parameter file or in the STARTUP command. 数据库必须用初始参数文件或启动命令中的DB_NAME参数命名。 2 mount状态 ① 关联实例与数据库,读取控制文件并获取数据文件和重做日志文件名称状态。 Mounting a database includes t...
使用alter database open read only可以使数据库进入只读状态。使用alter database open read write 可以使数据库进入读写状态。 当然在某些情况下可能是用上述各种启动方式都无法成功启动数据库,这个时候就要使用startup force命令来强行启动数据库。当然谁都不想碰到这种情况:) c.关闭数据库 1)正常关闭 shutdown 2...
The database must be named with the DB_NAME parameter either in the initialization Parameter file or in the STARTUP command. 数据库必须用初始参数文件或启动命令中的DB_NAME参数命名。 2)数据库被mount 实例被启动,打开数据库的控制文件关联一个数据库。数据库对用户还是close状态。对应的命令是alter data...
Oracle Instance是通过使用【startup】命令启动的,【startup】命令执行的时候就会读取初始化参数文件,来确定Database Name、SGA SIZE、Control File Path等信息。【startup】命令启动Oracle Instance时寻找并加载初始化参数文件有一个顺序,如果输入【startup】命令优先使用spfileSID.ora,如果不存在spfileSID.ora那么就回去...
该命令其实是强行关闭数据库(shutdown abort)和启动数据库(startup)两条命令的一个综合。该命令仅在关闭数据库遇到问题不能关闭数据库时采用。 (3) ALTER DATABASE OPEN READ ONLY; 该命令在创建实例以及安装数据库后,以只读方式打开数据库。对于那些仅仅提供查询功能的产品数据库可以采用这种方式打开. ...
Run the following command to stop and start the listener and database: # systemctl restart oracle-xe-18c Shutting Down and Starting Up Using SQL*Plus You can shut down and start the database using SQL*Plus. To shutdown the database, login to the oracle user with its environment variables...
11-13 xv xvi Preface Oracle Database 2 Day DBA is a database administration quick start guide that teaches you how to perform day-to-day database administrative tasks. The goal of this book is to help you understand the concepts behind Oracle Database. It teaches you how to perform all ...
# directory of the databaserespectively. The third filed indicates # to the dbstart utility that the databaseshould , "Y", or should not, # "N", be brought up at systemboot time. # # Multiple entries with the same$ORACLE_SID are not allowed. ...
Oracle Database 9i/10g/11g/12c PRM-DUL ORACLE恢复工具 方法/步骤 1 以下为一个ORACLE数据库因为断掉而引起ORA-00600错误的例子。造成ORA-00600 [4000]错误的主要原因是因为系统掉电,或者数据库恢复不完全,导致system表空间的一些位的状态异常,导致bootstrap无法正常情况.以下是通过bbed方法,修改相关标志位,强制...