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Teradata is one of the popular Relational Database Management System. It is mainly suitable for building large scale data warehousing applications. Teradata achieves this by the concept of parallelism. It is developed by a company called Teradata.<br>
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Build Your Career With TeraData Certification Teradata is a fully flexible relational database management system produced by Teradata Corp. it is generally used to regulate big data warehousing operations. The Teradata database system is placed on off-the-shelf symmetric multiprocessing technology connected with connecting symmetric multiprocessing systems, communication networking to form extensive parallel processing systems. Teradata is a RDBMS (relational database management system) which includes below features: It’s built on completely parallel architecture which means single task will be divided into smaller chunks and compute simultaneously hence faster execution. Teradata system is a shared-nothing architecture in which each node is independent and self- sufficient. Also each logical processor (AMP) is responsible only for their own portion of database. Supporting industry standard ANSI SQL to communicate with Teradata. Teradata database can be accessed by multiple concurrent users from different client applications via popular TCP/IP connection or IBM mainframe channel connection.
Why to use Teradata? There are numerous reasons why clients choose Teradata over other databases. Linear scalability helps to support more users/data/queries/query complexity without losing performance. When system configuration grows performance increases linearly. System is built on open architecture, so whenever any faster chip and device are made available it can be incorporated into the already build architecture. Automatic distribution of data across multiple processors (AMP) evenly. Components divide task into approximately equal pieces so all parts of the system are kept busy to accomplish the task faster. Supports 50+ petabytes of data. Provides a parallel-aware Optimizer that makes query tuning unnecessary and get it run efficiently. Single operation view for a large Teradata multi-node system via SWS (Service Workstation). This is mainly managed by Teradata GSC. Single point of control for the DBA to manage the database using Teradata viewpoint. Compatible with large numbers of BI tool to fetch data. Features of Teradata Following are some of the features of Teradata − Unlimited Parallelism− Teradata database system is based on Massively Parallel Processing (MPP) Architecture. MPP architecture divides the workload evenly across the entire system. Teradata system splits the task among its processes and runs them in parallel to ensure that the task is completed quickly. Shared Nothing Architecture− Teradata’s architecture is called as Shared Nothing Architecture. Teradata Nodes, its Access Module Processors (AMPs) and the disks associated with AMPs work independently. They are not shared with others. Linear Scalability− Teradata systems are highly scalable. They can scale up to 2048 Nodes. For example, you can double the capacity of the system by doubling the number of AMPs. Connectivity− Teradata can connect to Channel-attached systems such as Mainframe or Network-attached systems.
Mature Optimizer− Teradata optimizer is one of the matured optimizer in the market. It has been designed to be parallel since its beginning. It has been refined for each release. SQL− Teradata supports industry standard SQL to interact with the data stored in tables. In addition to this, it provides its own extension. Robust Utilities− Teradata provides robust utilities to import/export data from/to Teradata system such as FastLoad, MultiLoad, FastExport and TPT. Automatic Distribution− Teradata automatically distributes the data evenly to the disks without any manual intervention. Advantages of Teradata Unlimited, Proven Scalability Most Concurrent Users Unlimited Parallelism – Parallel sorts/aggregations, temporary tables –“Shared-Nothing” architecture Mature Optimizer – Complex queries, joins per query, ad-hoc processing Model the Business – 3NF, robust view processing, star schema Lowest TCO – ease of setup & maintenance, robust parallel utilities, no re-orgs, lowest disk to data ratio, robust expansion utility High Availability – no single point of failure, scalable data loading, parallel load utilities Key Features: •30 hours of Instructor Led Training •Lifetime Access to Recorded Sessions •Practical Approach •24/7 Support •Expert & Certified Trainers •Real World use cases and Scenarios.
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