ORA-01017: invalid username/password; logon denied

I have a virtual machine with Oracle Database 19c installed. I downloaded this machine from Oracle. {If you are interested, you can download it from the following url: https://www.oracle.com/downloads/developer-vm/community-downloads.html } I started the virtual machine, login as oracle user, and ensured that the environment is set correctly: Then, I tried to login to the database … Continue reading ORA-01017: invalid username/password; logon denied


Oracle Database 19c Vault Operations Control

This is an extra layer of protection above the normal Database Vault Realms & Command Rules. In a multitenant database, you can now use Oracle Database Vault to block common users (infrastructure database administrators, for example) from accessing local data in pluggable databases (PDBs), even if you don't have the database vault enabled at the … Continue reading Oracle Database 19c Vault Operations Control

Oracle Database 19c Release Updates (RUs) and Release Update Revisions (RURs)

Following is a list of all RU (Release Updates) and RUR (Release Update Revisions) issued for the Oracle Database 19c (19.3) since Apr-2019 till today 24-Jun-2021. Please zoom-in to see the above picture clearly, or see it partitioned below: Please note that:– Both RUs & RURs are released quarterly (Jan, April , Jul & Oct).– … Continue reading Oracle Database 19c Release Updates (RUs) and Release Update Revisions (RURs)

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

Installing SH Sample Schema

Preparation: Before running the installation script (sh_main.sql), please edit the following two files:sh_main.sql & sh_olp_c.sqlunder D:\app\db193\WINDOWS.X64_193000_db_home\demo\schema\sales_history and replace "__SUB__CWD__" with "D:\app\db193\WINDOWS.X64_193000_db_home\demo\schema" or the directory where you extracted the sample schema scripts. Here is a live demo about installation: https://www.youtube.com/watch?v=ZRodqYAUxtk ThanksAhmed

Installing Oracle OE Sample Schema

If you are interested in installing all oracle database sample schemas, please refer to my post:Installing Oracle Sample Schemas (19.3) If you want to install the scott demo schema, please refer to:https://ahmedfattah.com/2019/12/25/how-to-create-the-scott-oracle-database-demo-schema/ Here is a live demo about Order Entry (OE) schema installation: https://www.youtube.com/watch?v=c8dxF-1rGZo Please note that before installing the OE schema, you should first install … Continue reading Installing Oracle OE Sample Schema

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?

Oracle RMAN Multi-Section Feature

RMAN can optionally break up large files into sections and back up and restore these sections independently. This feature is built into RMAN. You can use it by creating multisection backups, which break up the files generated for the backup set into separate files. This can be done for backup sets and image copies. Each … Continue reading Oracle RMAN Multi-Section Feature

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.

What is the difference between Oracle Client 19c and Oracle Client Home 19c?

When I tried to download and install Oracle client 19c, it was my surprise that there are two different versions. See the following information from the oracle site: So, what is the difference between these two versions?. After some research I found that: LINUX.X64_193000_client.zip is the normal (before 19c) installer-based client software, where you can choose … Continue reading What is the difference between Oracle Client 19c and Oracle Client Home 19c?