ORA-28353: failed to open wallet
Problem Description: While configuring TDE, I created a new Keystore for an 18c database on Windows, but when I tried to open it, I received the following error:administer key management set keystore open identified by "oracle" container=all*ERROR at line 1:ORA-28353: failed to open wallet Procedure: Create folder: D:\app\db183\WINDOWS.X64_180000_db_home\network\admin\ORCL\walletEdit sqlnet.ora and add: ENCRYPTION_WALLET_LOCATION=(SOURCE=(METHOD=FILE)(METHOD_DATA=(DIRECTORY=D:\app\db183\WINDOWS.X64_180000_db_home\network\admin\ORCL\wallet))) -- Create and … Continue reading ORA-28353: failed to open wallet
Oracle Database Security Assessment Sample Report
Highly Confidential Assessment Date & Time Date of Data CollectionDate of ReportReporter VersionSun Apr 25 2021 00:12:00Sun Apr 25 2021 00:22:012.2.1 (May 2020) - f3a1 Database Identity NameContainer (Type:ID)PlatformDatabase RoleLog ModeCreatedORCLCDBPDB1 (PDB:4)Linux x86 64-bitPRIMARYNOARCHIVELOGMon Jan 13 2020 20:12:00 Summary SectionPassEvaluateAdvisoryLowRiskMediumRiskHighRiskTotalFindingsBasic Information0000011User Accounts70222013Privileges and Roles156100022Authorization Control0020002Fine-Grained Access Control0050005Auditing08500013Encryption0110002Database Configuration92010113Network Configuration0110103Operating System2200105Total33201734279 Basic Information Database Version Oracle … Continue reading Oracle Database Security Assessment Sample Report
When to use SET DBID in RMAN?
According to oracle documentation:Specify a database's database identifier (DBID) when restoring a control file or server parameter file. Restrictions and Usage Notes for the SET DBID Command You should only run the SET DBID command in the following specialized circumstances: You are not connected to a recovery catalog and want to restore the control file … Continue reading When to use SET DBID in RMAN?
Change “Value” Column Width for “show parameter” in sqlplus
If you tried to increase the width of the "VALUE" column, nothing changed: I found that the NAME & Value columns have special names (for type column , it is normal): column NAME_COL_PLUS_SHOW_PARAM format A20column VALUE_COL_PLUS_SHOW_PARAM format A80 Now, it is fine.
Oracle Backup & Recovery Hands-on Practice – Oracle Database 18c VM
Do you want to practice recovering from the following common failures (with a guided step-by-step procedure)?: Recovering from a critical file loss (SYSTEM , UNDO)Recovering from a non-critical file lossRecovering from the loss of the control fileRecovering from the loss of all control filesRecovering from the loss of an inactive redo log fileRecovering from the … Continue reading Oracle Backup & Recovery Hands-on Practice – Oracle Database 18c VM
Schedule RMAN Backup Job in one minute
In this demo, I'm going to schedule a backup job to run daily at a specific time. The backup script provided in this video is for demo only, please don't use it in production without proper testing. https://www.youtube.com/watch?v=sNQXBiOpPUk RegardsAhmed
How to Modify an Oracle Database Windows Service?
This is a quick post about how we can change some parameters for one database winodws service. Background:I have a database called PROD with version 19.3, running on Windows. Its service looks like: This Windows service was configured with the parameter file:D:\app\db193\WINDOWS.X64_193000_db_home\database\initPROD.oraFor some reason, I want to change the parameter file to be:M:\app\oracle\database\initPROD.ora{Actually, I'm preparing … Continue reading How to Modify an Oracle Database Windows Service?
What is Oracle Home User in Oracle Database 12c?
In this post, I'm documenting some valuable information from different resources, about the "Oracle Home User" that is introduced in Oracle 12.1, and the difference between the "Oracle Home User" and the "Oracle Installation User"? ThanksAhmed
ORA-01623 & ORA-00312 while dropping one red log file
I got the following errors while dropping one redo log group: Please note that our database is an RAC One Node database that I'm trying to convert to Single-Instance database based on the client requirements.So, thread 2 (instance 2), is not there actually.If we query about the redo log files of instance 2: So, what … Continue reading ORA-01623 & ORA-00312 while dropping one red log file
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