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Navigationdbanotes.comData expands knoweldge. Database technology is the tool we use.HomeHomeAboutArchivesProjectsContactReturn to ContentOracle 12c Optimizer enhancementsBy Oracle Contributing Author on June 27, 2014 in Oracle Database Introduction Optimizer is the key driver component in the execution of SQL query in Oracle database. The optimizer functions with objects’ statistics, selectivity and cardinality to calculate the cost of data fetch operation and ultimately, exposing the best execution plan. Oracle 12c elevates the behavior of optimizer at the instrumental level by introducing the new […]Continue ReadingOracle 12c RAC enhancementsBy Oracle Contributing Author on June 26, 2014 in Oracle Database Oracle 12c RAC enhancements The Real Application Cluster (RAC) option in Oracle database allows a single database with multiple instance setup in a clustered environment. It provides scalability, reliable error detection and high availability as the application connects to single database which spans across multiple commodity hardware. Besides the Oracle database with RAC option, the […]Continue ReadingOracle 12c Maximum Availability Architecture enhancementsBy Oracle Contributing Author on June 25, 2014 in Oracle Database Oracle 12c Extreme Availability Architecture Oracle’s Maximum Availability Architecture (MAA) lays down the platform of recommendations using the High Availability (HA) concepts. The architecture gives adoption flexibility depending on the nature of application and most importantly, the service level agreements. The MAA practices get evolved after the joint exercise of DBAs, developers and product managers. […]Continue ReadingOracle 12c Temporal DatabaseBy Oracle Contributing Author on June 25, 2014 in Oracle Database Oracle 12c Valid Time Temporal Oracle Database 12c supports the Temporal database feature which was introduced in ANSI SQL:2011. The feature enables the application to link the time dimension to an entity and record the application time or the business time limits of an entity. Before Oracle 12c, the transaction time or the system time […]Continue ReadingOracle 12c Heat Map and Automatic Data OptimizationBy Oracle Contributing Author on June 25, 2014 in Oracle Database Oracle 12c Heat Map and ADO Information Lifecycle Management (ILM) refers to the strategy which manages the data during its lifetime. Depending on the age of the data and its business relevance to the application, the data can be either compressed, or archived or moved to a low cost storage. In a nutshell, ILM aims […]Continue ReadingOracle 12c PL/SQL enhancementsBy Oracle Contributing Author on June 24, 2014 in Oracle Database Oracle 12c PL/SQL New features Oracle 12c added multiple new features and enhancements to the PL/SQL language. These language enhancements focus on code optimization and security. I’ll be covering the more exciting one features in this article. PL/SQL Func
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