美文的手机网站,wordpress 小工具定制,wordpress能连接exe程序吗,金华seo建站手动创建数据库步骤:1、准备工作(创建相关目录、设置ORACLE_SID)2、生成参数文件3、启动实例3、脚本创建数据库4、脚本创建数据字典5、打开数据库 一: 准备工作 1、创建相关目录wyncrac为要创建的数据名,所以创建同名目录用来集中存储相关文件[oraclelocalhost wyncrac]$ lltot… 手动创建数据库步骤:1、准备工作(创建相关目录、设置ORACLE_SID)2、生成参数文件3、启动实例3、脚本创建数据库4、脚本创建数据字典5、打开数据库 一: 准备工作 1、创建相关目录wyncrac为要创建的数据名,所以创建同名目录用来集中存储相关文件[oraclelocalhost wyncrac]$ lltotal 36drwxr-xr-x. 2 oracle oinstall 4096 Jun 24 09:57 archivelog --归档日志,drwxr-xr-x. 2 oracle oinstall 4096 Jun 24 11:03 controlfile --控制文件drwxr-xr-x. 2 oracle oinstall 4096 Jun 24 12:13 dump drwxr-xr-x. 2 oracle oinstall 4096 Jun 24 09:58 pwdfile --密码文件drwxr-xr-x. 2 oracle oinstall 4096 Jun 24 11:03 redolog --重做日志文件drwxrwxrwx. 2 oracle root 4096 Jun 24 11:02 scripts --常用脚本drwxr-xr-x. 2 oracle oinstall 4096 Jun 24 11:04 sysdatafile --系统数据文件drwxr-xr-x. 2 oracle oinstall 4096 Jun 24 09:58 userdatafile --用户数据文件以上文件在create database脚本中会用到 2、设置当前ORACLE_SID[oraclelocalhost ~]$ export ORACLE_SIDwyncrac 二: 生成参数文件 两种类型: 二进制类型参数文件(无法直编辑) - spfileSID.ora 修改 - alter system set paraname 同步应用到参数文件启动 - startup nomount 默认将寻找该类型参数文件9i以后默认 文本类型参数文件(可直接编辑) - pfileSID.ora修改 - alter system set paraname 不会同步应用到参数文件,要手动调整文件对启动 - startup nomount pfile... startup nomount阶段读取参数文件,得到db_name、SGA参数、控制文件位置等信息默认位置 - $ORACLE_HOME/dbs/查找顺序 - $ORACLE_HOME/dbs/spfileSID.ora - spfile.ora- initSID.ora 相互生成pfile -spfile: create spfile$ORACLE_HOME/dbs/spfilewyncrac.ora from pfile$ORACLE_HOME/dbs/pfile.oraspfile -pfile: 与以上相反即可 1、从现有的参数文件中另存一份作为新实例的参数文件[oraclelocalhost dbs]$ cp initora.ora initwyncrac.ora 2、编辑文件做调整将control_files路径设为上面创建的controlfile - /ora/ora10g/wyncrac/controlfiledump相关文件路径设为dump - /ora/ora10g/wyncrac/dump [oraclelocalhost dbs]$ vim initwyncrac.orawyncrac.__db_cache_size188743680wyncrac.__java_pool_size4194304wyncrac.__large_pool_size4194304wyncrac.__shared_pool_size83886080wyncrac.__streams_pool_size0*.audit_file_dest/ora/ora10g/wyncrac/dump*.background_dump_dest/ora/ora10g/wyncrac/dump*.compatible10.2.0.1.0*.control_files/ora/ora10g/wyncrac/controlfile/control01.ctl,/ora/ora10g/wyncrac/controlfile/control02.ctl,/ora/ora10g/ wyncrac/controlfile/control03.ctl*.core_dump_dest/ora/ora10g/wyncrac/dump*.db_block_size8192*.db_domain*.db_file_multiblock_read_count16*.db_namewyncrac*.db_recovery_file_dest/ora/ora10g/product/10.2.0/db_1/flash_recovery_area*.db_recovery_file_dest_size2147483648*.dispatchers(PROTOCOLTCP) (SERVICEwyncracXDB)*.job_queue_processes10*.open_cursors300*.pga_aggregate_target94371840*.processes150*.remote_login_passwordfileEXCLUSIVE*.sga_target284164096*.undo_managementAUTO*.undo_tablespaceUNDOTBS1*.user_dump_dest/ora/ora10g/wyncrac/dump 3、由pfile生成spfileSQL create spfile/ora/ora10g/product/10.2.0/db_1/dbs/spfilewyncrac.ora 2 from pfile/ora/ora10g/product/10.2.0/db_1/dbs/initwyncrac.ora; File created. 三: 启动实例 1、创建、还原数据库等必须启动实例后到nomount进行该阶段只会启动实例(分配SGA与后台进程)SQL startup nomount ORACLE instance started. Total System Global Area 285212672 bytesFixed Size 1218992 bytesVariable Size 92276304 bytesDatabase Buffers 188743680 bytesRedo Buffers 2973696 bytes 2、执行创建数据库脚本a、在上面创建的scripts目录下创建createdb.sql文件如下:create database wyncracLOGFILEGROUP 1 (/ora/ora10g/wyncrac/redolog/redo01.log,/ora/ora10g/wyncrac/redolog/redo01_1.log) size 10m reuse,GROUP 2 (/ora/ora10g/wyncrac/redolog/redo02.log,/ora/ora10g/wyncrac/redolog/redo02_1.log) size 10m reuse,GROUP 3 (/ora/ora10g/wyncrac/redolog/redo03.log,/ora/ora10g/wyncrac/redolog/redo03_1.log) size 10m reuseMAXLOGFILES 50MAXLOGMEMBERS 5MAXLOGHISTORY 200MAXDATAFILES 500MAXINSTANCES 5ARCHIVELOGCHARACTER SET UTF8NATIONAL CHARACTER SET UTF8DATAFILE /ora/ora10g/wyncrac/sysdatafile/system01.dbf SIZE 100M reuse autoextend on next 10m maxsize unlimited extent management localSYSAUX DATAFILE /ora/ora10g/wyncrac/sysdatafile/sysaux01.dbf SIZE 100M reuse autoextend on next 10m maxsize unlimitedUNDO TABLESPACE UNDOTBS1 DATAFILE /ora/ora10g/wyncrac/sysdatafile/undo.dbf SIZE 50M reuse autoextend on next 5M maxsize unlimitedDEFAULT TEMPORARY TABLESPACE TEMP TEMPFILE /ora/ora10g/wyncrac/sysdatafile/temp.dbf SIZE 50M reuse autoextend on next 5M maxsize unlimited; b、数据库创建脚本执行完后可看到重做日志、系统数据表路径、警告日志等文件会创建在上面定义的目录中relog - /ora/ora10g/wyncrac/redolog/sysdatafile - /ora/ora10g/wyncrac/sysdatafile/alertlog - /ora/ora10g/wyncrac/dump/controlfile - /ora/ora10g/wyncrac/controlfile/ 默认位置:relog、datafile、controlfile - $ORACLE_HOME/oradata/SID/alertlog - $ORACLE_HOME/admin/SID/ c、打开数据库SQL startupORACLE instance started. Total System Global Area 285212672 bytesFixed Size 1218992 bytesVariable Size 92276304 bytesDatabase Buffers 188743680 bytesRedo Buffers 2973696 bytesDatabase mounted.Database opened. 四: 相关视图1、v$log - 日志信息SQL select group#,thread#,sequence#,bytes,members,archived,status 2 from v$log; GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARC STATUS---------- ---------- ---------- ---------- ---------- --- ---------------- 1 1 10 10485760 2 YES INACTIVE 2 1 11 10485760 2 NO CURRENT 3 1 9 10485760 2 YES INACTIVE STATUS:INACTIVE - 已归档ACTIVE - 归档中CURRENT - 当前正在写 2、v$logfile - 联机重做日志路径SQL select member from v$logfile; MEMBER--------------------------------------------------------------------------------/ora/ora10g/wyncrac/redolog/redo01.log/ora/ora10g/wyncrac/redolog/redo01_1.log/ora/ora10g/wyncrac/redolog/redo02.log/ora/ora10g/wyncrac/redolog/redo02_1.log/ora/ora10g/wyncrac/redolog/redo03.log/ora/ora10g/wyncrac/redolog/redo03_1.log 6 rows selected. 3、当前数据库是否归档模式:SQL select log_mode from v$database; LOG_MODE------------ARCHIVELOG 或 SQL archive log list;Database log mode Archive ModeAutomatic archival EnabledArchive destination USE_DB_RECOVERY_FILE_DESTOldest online log sequence 9Next log sequence to archive 11Current log sequence 11 启动步骤: startup nomount - mount -open 直接startup时将从nomount逐步到open startup nomount: 1: 仅读取参数文件分配SGA结构2: 启动后台进程3: 生成或修改警告或跟踪文件,默认位置在$ORACLE_HOME/admin/SID/alertSID.log与SID_*.trc startup mount:1: 按参文件位置,锁定并读取控制文件获取重做日志与数据文件信息,但并不打开这些信息 控制文件损坏就无法启动但数据文件丢失对此步骤没影响 startup open1: 打开数据文件2: 打开联机重做日志3: 后台进程会检测控制文件、数据文件、联机日志文件的一致性即SCN是否一致4: 如一致性检查失败由SMON进行实例恢复,通过归档与重做日志将未写入datafile的应用redolog重做,已写入datafile但未提交的应用undo回滚5: 如数据文件、联机重做日志丢失或异常启动将终止需要进行介质恢复 转载于:https://www.cnblogs.com/doclaim/p/3155871.html
