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 […]

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Transparent Data Encryption (TDE) In Oracle 12c

Today we are going to talk about Transparent Data Encryption (TDE) In Oracle 12c. First, have look at the introduction of TDE.  After the introduction, we have steps to configure TDE. Transparent Data Encryption (TDE) was introduced in Oracle Database 10g Release 2 as an OUT-OF place mechanism to encrypt data at the storage (media) level. TDE […]

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Disable TDE In Oracle 12c

This post is about Disable TDE In Oracle 12c . Let’s hav look on the steps. Find the encrypted table columns and modify them: SQL> select owner,table_name,column_name,encryption_alg from dba_encrypted_columns;SQL> select owner,table_name,column_name,encryption_alg from dba_encrypted_columns; OWNER TABLE_NAME   COLUMN_NAME ENCRYPTION_ALG—– ———— ———— —————————–RAJ   EMPLOYEE    SALARY AES 192 bits key  SQL> alter table raj.employee modify( salary decrypt); Table altered. SQL> select owner,table_name,column_name,encryption_alg from dba_encrypted_columns; No […]

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How To Move AUD$ Table To Another Tablespace Using DBMS_AUDIT_MGMT

Auditing is always about accountability, and is frequently done to protect and preserve privacy for the information stored in databases. Concern about privacy policies and practices has been rising steadily with the ubiquitous use of databases in businesses and on the Internet. Oracle Database provides a depth of auditing that readily enables system administrators to […]

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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 […]

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Purge AUD$ Table Using DBMS_AUDIT_MGMT

  Introduction:- Oracle 11gR2 introduced DBMS_AUDIT_MGMT for managing audit trails.  The growth of AUD$ can impact the performance of the database. So purging it regularly is the best practice followed by DBA’s and DBMS_AUDIT_MGMT makes it easier. Follow below steps for purging aud$ table. 1. Make sure AUD$ table is not in SYSTEM table tablespace.   […]

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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 […]

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Oracle Database Gateway for PostgreSQL

An organization have lot of choices to choose from the RDBMS world. Oracle Database, Microsoft SQL Server, IBM DB2,PostgreSQL, MySQL are few of them. Most of the organizations out there do have a mix of all these which are used to store their data and in course of time it is inevitable that they would […]

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ASM (Sector Size Validations)

From the technical background, we have an idea of Validations. I talk about normal life we notice that we have lots of Validations in our life. Let’s have look at today about ASM (Sector Size Validations). First few lines will explain the technical definition of  Validations. Validation is the name given to the process whereby the information entered […]

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ASM -(Sector Disk Drives)

This post is about ASM’s attribute deep knowledge. Before going ahead we must have an idea about the topic. Let’s some line must explain about  ASM -(Sector Disk Drives). The database and Oracle’s Automatic Storage Management (ASM) volume manager explicitly understood 4k devices. In this and subsequent versions of ASM, disk groups created on native mode […]

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