Teradata usefull concepts
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Teradata Interview Questions
Teradata Locks TERADATA LOCKS Locking in Teradata is automatic and cannot be turned off for normal tables. There are four types of locks that are used and they are: Types of Lock EXCLUSIVE WRITE READ ACCESS EXCLUSIVE The resource is temporarily owned. Not available to users until the lock is...
TeraData Tech – Learn Teradata the easy way …
Collecting Stats on Table Level or Column Level ? collect stats, collect stats on table level, collect stats teradata, collect stats on column level View full post Interview Questions : SET 2 teradata interview questions, interview View full post Recovery Journal Recovery Journal in teradata, transient journal, down amp recovery...
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LearnTeradata
Leaaion 46 : Subquery Subquery Subquery is a query whithin in a query. It is also called as Inner query or Nested query. A subquery is usually added in the WHERE clause of the sql statement. Usually, a subquery is used when we know how to search for a value using a SELECT statement, but...
Business Intelligence and Data Warehousing software directory
BI-DW Info is an independent Business Intelligence and Data warehousing software directory. Our main objective is to gather high quality and useful resources and spread the knowledge about Business Intelligence, Data Warehousing, ETL process and Data Integration, Enterprise Performance Management and Reporting. The directory is a result of thorough analysis...
Teradata Help
Wednesday, January 23, 2013 Packdisk in Teradata PACKDISK It is one of the last resorting options available to DBA's when the system runs out of Cylinders.Packdisk helps to pack up cylinders in AMP making space for more data. We need to note that PACKDISK is an expensive operation on the...
Teradata Study Guide
Journals August 02, 2011 Permanent Journal The purpose of a permanent journal is to maintain a sequential history of all changes made to the rows of one or more tables. Permanent journals help protect user data when users commit, uncommit or abort transactions. A permanent journal can capture a snapshot...
Teradata Query Performance Tuning Blog | DWHPro
The DWHPro Teradata Query Performance Tuning Blog helps thousands of visitors every month to become experts in Teradata and data warehouse design and operations.
Teradata Tips
Saturday, August 15, 2015 Recursive SQL I have been inactive on this forum for a long time now, tackled quite a bit of challenging projects and did not get to shell out time for blog updates. It is time to make up for that now. As a thank you note...
Teradata Point – Tutorials on Teradata, SQL, PHP, Data Warehousing, Unix, Full forms and many more.
Tutorials on Teradata, SQL, PHP, Data Warehousing, Unix, Full forms and many more.
Teradata
Teradata Express for VMware (TDE-V) is a free, fully operational Teradata VM with up to one terabyte of storage. Imagine being able to install a fully operational Teradata database on your PC and be running queries in five minutes, easy as 1-2-3. After installing VMware Server/Player and downloading your choice of...
Teradata online training
Teradata index,tables, data warehousing,syntax, teradata architecture,online training, teradata course details,stored procedures,views ,macros
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Teradata DBA
Why DIP or DIPPATCH did not complete or hung? Problem Why DIP or DIPPATCH did not complete or hung? Environment/Conditions/Configuration TDBMS 14.10.07.03 Cause Blocking / leftover HUT locks Solution Clear leftover HUT locks: 1) Logon to database as DBC ...
Teradata FAQ's
Attributes Required/Optional Description AppendErrorTable = ‘value’ O Optional attribute that specifies whether or not the Stream Operator will use the existing error table. Valid values are: • ‘No’ = The Stream operator will not use the existing error table (default). • ‘Yes’ = The Stream operator will use the existing...
Learn Teradata
BTEQ Why it is Called BTEQ? Why is BTEQ available on every Teradata system ever built? Because the Batch Teradata Query (BTEQ) tool was the original way that SQL was submitted to Teradata as a means of getting an answer set in a desired format. This is the utility that I...
Teradata, PySpark and other data warehousing technologies
Teradata: Teradata Setup on Mac Teradata Architecture Teradata Primary Index(PI) Teradata Spaces Teradata Table Types Teradata NoPI Tables Teradata Table Properties Teradata Datatypes Teradata Partitioned PI Teradata Secondary Index Teradata Join Strategies Teradata Join Index Teradata Hash Index Teradata Locks Teradata Compression(MVC) Teradata String Functions Teradata String Functions Part 2...
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