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Teradata Database Administrator

4 - 9 years

20 - 25 Lacs

Bengaluru

Posted:1 week ago| Platform: Naukri logo

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Skills Required

Teradata DBA Teradata Administrator Teradata SQL teradata database

Work Mode

Work from Office

Job Type

Full Time

Job Description

Position: Teradata DBA Job Location: Bangalore Job Mode: Hybrid (2 Days) Experience: 4+ Years Job Description: Responsibilities • Strong expertise in writing and optimizing Teradata SQL queries, TPT script etc. • Manage Production/Development databases performance. • Review Teradata system reports and provide performance assessment” report with recommendations to optimize system. • Investigate and quantify opportunities from “performance assessment” reports and • Apply best practices in each of the areas. • Monitor using Viewpoint tool for Teradata system performance using different portlets. • Review poor performing queries generated from BI/ETL tools and provide best practice recommendations on how to simplify and restructure views, apply PPI or other index changes • Closely monitor the performance of various work groups on the system and make sure data is available to business as per the SLA requirement. • Optimal index analysis - Review Index usage on tables and recommend adding dropping indexes for optimal data access. • Review uncompressed tables, analyse its usage, and implement compression to save space and reduce IO activity – using various algorithms like MVC/ BLC/ ALC. • Optimize locking statements in views, macros & queries to eliminate blocking contention invest. • Review the Spool Limits for the users and recommend optimal limit for the Ad-hoc users to avoid run away queries over consuming system resources. • Check for Mismatch data types in the system and make them unique to avoid costly translations during query processing. • Review Set tables and check for the options to convert to MultiSet to avoid costly duplicate row checking operation. • Review Large Scan Tables on the system and analyze for using PPI, MLPPI, Compression, Secondary indexes & Join Indexes • Analyze various applications and understand the space requirements and segregate the disk space under the categories of perm, spool, and temp space. • Setting up the database hierarchy that includes database creation and management of objects such as users, Roles, Profiles, tables, views. • Maintain profiles, roles, access rights and permissions for Teradata user groups and objects. • Generate periodic performance reports using PDCR and identify bottlenecks with the system performance. • Establish PDCR canary performance baselines. Utilize standard canary queries to identify variance from baseline. • Effective usage of TASM & Priority distribution to penalize the resource intensive queries, Give high priority to business-critical workloads, Throttling of different workloads for optimal throughput and provide performance reports to check workload management health. Minimum qualifications 6-12 years of Teradata Performance DBA experience. • Experience in review of poor performing queries and provide best practice recommendations on how to simplify and restructure views, apply PPI or other index changes. • Statistics Management and Optimization • Exposure to DWH Env (Knowledge of ETL/DI/BI Reporting). • Exposure to troubleshoot the TPT/ FastLoad / Multiload/ FastExport/ BTEQ/ TPump errors, should be good at error handling. • Experience in fine tuning various application parameters/number of sessions to ensure optimal functioning of the application. • Well conversant with various ticketing system/production change request/ Teradata Incident management. • Should be good at automating various processes. • Ability to write efficient SQL & exposure to query tuning. • Preferably understand Normalization and De-normalization concepts. • Preferable exposure to visualization tools like Tableau, PowerBI. • Preferably have good working knowledge on UNIX shell, Python scripting. • Good to have exposure to FSLDM • Good to have exposure to GCFR framework.

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Lancesoft
www.lancesoft.com

IT Services and IT Consulting

Herndon Virginia

5001-10000 Employees

191 Jobs

    Key People

  • Manoj Daya

    President & CEO

  • Ravi Naik

    Co-Founder & COO

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