MAX_STRING_SIZE Parameter In Oracle 12c

This parameter was introduced in Oracle 12c. MAX_STRING_SIZE controls the maximum size of string size in Oracle database. Either we can set it to STANDARD or.EXTENDED The default value is STANDARD MAX_STRING_SIZE = STANDARD means the maximum size of strings is 4000 bytes for VARCHAR2 and NVARCHAR2 MAX_STRING_SIZE = EXTENDED means maximum size can be upto 32767 byte . We can change the value of MAX_STRING_SIZE from STANDARD to EXTENDED. But not from EXTENDED to STANDARD. With MAX_STRING_SIZE set to STANDARD , […]

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How to encrypt the data using Oracle Wallet

Introduction:- Today we are going to learn about encryption in Oracle. Oracle database has the unique feature to secure data from the data loss. As we get a hint from the word encryption that means the process of converting information or data into code, especially to prevent unauthorized access. Rising security threats, expanding compliance requirements, consolidation, and cloud […]

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New Background Processes in Oracle 12c

List of New Background Processes in Oracle 12c Name Expanded Name Short Description Long Description External Properties AQPC AQ Process Coordinator Per instance AQ global coordinator AQPC is responsible for performing administrative tasks for AQ Master Class Processes including commands like starting, stopping, and other administrative tasks. This process is automatically started on instance startup. […]

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Oracle ASMLIB v/s Oracle ASM Filter Driver (ASMFD)

Oracle ASM Filter Driver (Oracle ASMFD) is installed with an Oracle Grid Infrastructure installation. If you have an existing Oracle ASM library driver (Oracle ASMLIB) configuration, then depending on whether you want to use Oracle ASMLIB or Oracle ASMFD, consider the following scenarios: If you use Oracle ASMLIB to manage your Oracle ASM devices and […]

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Converting Standard to Flex ASM

Today we are going to have a look on converting a standard cluster to flex cluster. I wish this information is useful for you.Oracle Flex Clusters contribute a platform for Oracle Real Application Clusters databases with stupendous numbers of nodes, to support massive parallel query operations. Oracle Flex Clusters also provide a platform for other […]

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Configure Data Redaction on Oracle

In previous article we provide the brief introduction about Data Redaction on Oracle. Now in this post, we are going to configure different type of Data Redaction in Oracle 12c. Full Data Redaction Partial Data Redaction Random Data Redaction Data Redaction with REGEXP For the demonstration on this I have a table that holds credit […]

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Oracle Data Redaction

Oracle Data Redaction enables you to mask (redact) data that is returned from queries issued by applications. You can redact column data by using one of the following methods: Full redaction. You redact all of the contents of the column data. The redacted value returned to the querying application user depends on the data type of […]

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Introduction to Oracle AWR

I must thank my fellow DBA Franky Weber Faust for his publication in his blog. Today let’s talk a little about a fantastic feature we have in Oracle Database that helps us in performance analysis: the AWR. What is AWR? AWR stands for Automatic Workload Repository, ie it is a repository of information about the […]

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Unified Auditing, one of the new features in Oracle Database 12c

I must thank my fellow DBA Franky Weber Faust for his publication in his blog. Introduction: –  In this article, we are going to know about some other new features of Oracle 12c.  Unified Auditing is a new feature in Oracle 12c. In Oracle 12c, a new database auditing Foundation has been introduced.  Oracle Unified Auditing […]

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