Lỗi khi startup database trên con standby SQL> startup ORACLE instance started. Total System Global Area 1912602624 bytes Fixed Size 2925792 bytes Variable Size 1191185184 bytes Database Buffers 704643072 bytes …
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This was caused by reusing ASM disks from a previous installation of GI. Remedied this with the following commands: [root@redfern1 ~]# dd if=/dev/zero of=/dev/sda1 bs=32768 count=32768 conv=notrunc oflag=direct 32768+0 records …
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Introduction This article, will cover Oracle 19c restart data-guard physical standby configuration, but before we start, you need to have two oracle 19c restart servers one as Primary server and …
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Error I installed SQL Server 2017 on Centos 7 and used MSSM GUI for database replication configuration. when the distribution configuration process was successful until the end but when …
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LinuxVMware
Recreating a missing VMware virtual machine disk descriptor file (.vmdk)
by tuanlpby tuanlpDetails This article provides steps to recreate a lost virtual disk descriptor file (.vmdk). You may need to recreate missing header/descriptor files if: The virtual machine disk file listed in …
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Check the status of online or offline for datafile in Oracle Check the status of datafile Select file#, status from v$datafile; OR SELECT FILE_NAME,ONLINE_STATUS FROM DBA_DATA_FILES; Take the data file …
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Check datafiles and tablespace information in Oracle Check information about datafiles SQL> select * from dba_data_files; SQL> select * from v$datafile; Check information about tablespace SQL> select * from dba_tablespaces SQL> …
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Check the Undo tablespace total, free and used space usage in Oracle Check the undo tablespace total, free and used space(Size in MB) in Oracle SELECT a.tablespace_name, SIZEMB, USAGEMB, (SIZEMB …