After a long time, I am going to write a theoretical topic which adds some different knowledge in our DBA career. I hope it will help our viewers to have deep knowledge about the database. Today I am going to explain about benchmarking in the database. Being a part of IT we have little idea about […]
Articles Tagged: Oracle12c
Database Design – Hardware Requirements
Database Design is the most important part of the IT project. This is the second post regarding Database Design. Normally we just think about software and some basic terms of hardware while we think about the database. Now let’s have deep look at Hardware Requirements. This post explains the technical terms which must keep in mind […]
Connecting PDB in Oracle 12c
To connect as sys or other elevated local users, use the same methods as below, but use ‘as sysdba‘ where necessary Method 1: alter session set container = pdbName; Method 2:For other methods, you need to know the service-name for the PDB: Get the service name for the PDB: SELECT name || ‘ ‘|| pdb […]
ASM – (ACFS commands for multiple environments)
Overview of ACFS:- Oracle ACFS is designed as a general-purpose, single-node and cluster-wide file system that delivers support for customer file system application data maintained outside of Oracle Database. Users and applications can access and manage Oracle ACFS using native operating system file system application programming interfaces (APIs) and command-line interface (CLI) tools. Users can also […]
ASM Clients
Being an Oracle DBA we have learned about ASM and its qualities. Today we are going to learn about ASM Clients. We all are aware that Oracle ASM is a volume manager and file system for Oracle database files. Let’s start to have knowledge of ASM Client. Clients that connect directly to ASM. Oracle Database:- This is […]
Open Wallet Automatically After Starting The Database
This article about Open Wallet Automatically After Starting The Database. If encryption wallet is enabled, then every time we start the database, we have to open the wallet manually. So to avoid this, we can create one trigger which will open the wallet automatically, once you start the database. Below is the trigger: CREATE or replace […]
How To Use DBMS_PRIVILEGE_CAPTURE To Capture Privs In Oracle 12c
Introduction:- Oracle 12c introduced the DBMS_PRIVILEGE_CAPTURE package, which helps us in doing privilege analyze and find a report on used and unused privileges.In order to use the DBMS_PRIVILEGE_CAPTURE package, you must be granted the CAPTURE_ADMIN role. One of the most important Security Principals while maintaining your Enterprise Database Landscape is implementing the “least privilege” principle. The […]
ENABLE_DDL_LOGGING In Oracle 12c
This ENABLE_DDL_LOGGING parameter has been introduced in Oracle 12c. If this ENABLE_DDL_LOGGING is enabled, then DDL records are written to the ADR. All DDL operations like alter/create/drop/truncate objects. Only drop user will be logged, But create user will not be. Enable the parameter: SQL> show parameter enable_ddl_logging NAME TYPE VALUE ———————————— ———– —————————— enable_ddl_logging boolean FALSE SQL> alter system […]
Unified Audit Trail In Oracle 12c
This post is about Unified Audit Trail In Oracle 12c . Few starting lines give the overview of ” Unified Audit Trail ” . With Oracle 12c, unified auditing has been introduced. It consolidates all audit trails into a single audit trail table. It will capture audit records from below sources. SYS audit records ( which was […]
Shutdown mode in Oracle ASM Instance
Being an Oracle DBA we have learned about the db instance in Oracle database. As we know db instance has shutdown mode. In this post, we are going to have look at Oracle ASM Instance. The ASM shutdown process is initiated when you run the SHUTDOWN command in SQL*Plus. While running this command we must ensure […]