Course Catalog  > Data Science and Big Data  > Teradata
TP2830

Teradata Utilities Training

In this course, students will learn traditional utilities at the perfect level with detailed examples and explanations so they’re clear to understand.  It covers traditional utilities, BTEQ, FastLoad, MultiLoad, TPump, and FastExport.

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Course Details

Duration

1 day

Prerequisites

No prior knowledge is presumed.

Target Audience

  • IT Professionals
  • Developers
  • DBAs

Skills Gained

  • Understand all traditional Teradata utilities
Course Outline
  • Teradata Utilities Introduction
    • The Teradata Utilities
    • Block Level Utilities
    • Row Level Utilities
    • Fast Path Inserts Using Insert/Select
    • Fast Path Deletes
    • Freespace Percent
    • Referential Integrity and Load Utility Solutions
    • Teradata has a No Primary Index Table called a NoPI Table
    • This is NOT Necessarily a NoPI Table
    • NoPI Tables Spread rows across all-AMPs Evenly
    • NoPI Tables used as Staging Tables for Data Loads
    • NoPI Table Capabilities
    • NoPI Table Restrictions
    • Why Would a NoPI Table have a Row-ID?
  • Collect Statistics
    • The Teradata Parsing Engine (Optimizer) is Cost Based
    • The Purpose of Collect Statistics
    • When Teradata Collects Statistics, it creates a Histogram
    • The Interval of the Collect Statistics Histogram
    • What to COLLECT STATISTICS On?
    • Why Collect Statistics?
    • How do you know if Statistics were collected on a Table?
    • A Huge Hint that No Statistics Have Been Collected
    • The Basic Syntax for COLLECT STATISTICS
    • The New Teradata V14 Way to Collect Statistics
    • COLLECT STATISTICS Directly From another Table
    • Where Does Teradata Keep the Collected Statistics?
    • The Official Syntax for COLLECT STATISTICS
    • How to Recollect STATISTICS on a Table
    • Teradata Always Does a Random AMP Sample
    • Random Sample is Kept in the Table Header in FSG Cache
    • Multiple Random AMP Samplings
    • How a Random AMP gets a Table Row count
    • Random AMP Estimates for NUSI Secondary Indexes
    • USI Random AMP Samples are Not Considered
    • There’s No Random AMP Estimate for Non-Indexed Columns
    • A Summary of the PE Plan if No Statistics Were Collected
    • Stale Statistics Detection and Extrapolation
    • Extrapolation for Future Dates
    • How to Copy a Table with Data and the Statistics
    • How to Copy a Table with NO Data and the Statistics
    • When to COLLECT STATISTICS Using only a SAMPLE
    • How to Collect Statistics on a PPI Table on the Partition
    • Teradata V12 and V13 Statistics Enhancements
    • Teradata V14 Statistics Enhancements
    • Teradata V14 Summary Statistics
    • Teradata V14 MaxValueLength
    • Teradata V14 MaxIntervals
    • Teradata V14 Sample N Percent
    • Teradata Statistics Wizard
  • Table Create and Data Types
    • Creating a Table with a Unique Primary Index
    • Creating a Table with a Non-Unique Primary Index
    • Creating a Table and forgetting to put in a Primary Index Clause
    • Creating a Set Table
    • Creating a Multiset Table
    • Creating a Set Table that won’t have a Duplicate Row Check
    • Set Table with a Unique Constraint Eliminates the Duplicate Row Check
    • Creating a Table with a Unique Secondary Index
    • Creating a Table with a Multi-Column Primary Index
    • Data Types
    • Data Types Continued
    • Data Types Continued
    • Major Data Types and the number of Bytes they take up
    • Making an exact copy a Table
    • Making a NOT-So-Exact Copy a Table
    • Copying a Table with a new Default Primary Index
    • Troubleshooting Copying and Changing the Primary Index
    • Copying only specific columns of a table
    • Copying a Table with Data and Keeping the Statistics
    • Copying a Table with No Data and Statistics
    • Copying a table Structure with Zeroed Statistics
    • Creating a Table with Fallback
    • Creating a Table with No Fallback
    • Creating a Table with a Before Journal
    • Creating a table with a Dual Before Journal
    • Creating a Table with an After Journal
    • Creating a Table with a Dual After Journal
    • Creating a Table with the Journal Keyword Alone
    • Why use a Before Journal?
    • Why Use an After Journal?
    • Creating a Table with Customization of the Data Block Size
    • Creating a Table with Customization on FREESPACE Percent
    • Creating a QUEUE Table
    • The Concept behind Partitioning a Table
    • Creating a PPI Table with Simple Partitioning
    • Creating a PPI Table with RANGE_N Partitioning per Month
    • A Visual of One Year of Data with Range_N per Month
    • Creating a PPI Table with RANGE_N Partitioning per Day
    • Creating a PPI Table with RANGE_N Partitioning per Week
    • A Clever Range_N Option
    • Creating a PPI Table with CASE_N
    • NO CASE and UNKNOWN Partitions Together
    • Combining Older Data and Newer Data in PPI
    • Multi-Level Partitioning Combining Range_N and Case_N
    • NON-Unique Primary Indexes (NUPI) in PPI
    • PPI Table with a Unique Primary Index (UPI)
    • Tricks for Non-Unique Primary Indexes (NUPI)
    • Character Based PPI for RANGE_N
    • Character-Based PPI for CASE_N
    • Dates and Character-Based Multi-Level PPI
    • TIMESTAMP Partitioning
    • Using CURRENT_DATE to define a PPI
    • ALTER to CURRENT_DATE the next year
    • ALTER to CURRENT_DATE with Save
    • Altering a PPI Table to Add or Drop Partitions
    • Deleting a Partition
    • Deleting a Partition and saving its contents
    • Using the PARTITION Keyword in your SQL
    • SQL for RANGE_N
    • SQL for CASE_N
  • Temporary Tables
    • There are three types of Temporary Tables
    • CREATING A Derived Table
    • Naming the Derived Table
    • Aliasing the Column Names in the Derived Table
    • Most Derived Tables Are Used To Join To Other Tables
    • Multiple Ways to Alias the Columns in a Derived Table
    • Column Aliasing Can Default for Normal Columns
    • CREATING A Derived Table using the WITH Command
    • The Same Derived Query shown Three Different Ways
    • Clever Tricks on Aliasing Columns in a Derived Table
    • A Derived Table lives only for the lifetime of a single query
    • WITH RECURSIVE Derived Table
    • Defining the WITH Recursive Derived Table
    • Looping Through the Recursive Derived Table
    • Looping Through a Second Time
    • Looping Through a Third Time
    • Looping Through and Adding Nothing Ends the Loop
    • Looping Through the WITH Recursive Derived Table
    • Creating a Volatile Table
    • You Populate a Volatile Table with an INSERT/SELECT
    • The Three Steps to Use a Volatile Table
    • Why Would You Use the ON COMMIT DELETE ROWS?
    • The HELP Volatile Table Command Shows your Volatiles
    • A Volatile Table with a Primary Index
    • The Joining of Two Tables Using a Volatile Table
    • You Can Collect Statistics on Volatile Tables
    • The New Teradata V14 Way to Collect Statistics
    • Creating Partitioned Primary Index (PPI) Volatile Tables
    • Using a Volatile Table to Get Rid of Duplicate Rows
    • Using a Simple Global Temporary Table
    • Two Brilliant Techniques for Global Temporary Tables
    • The Joining of Two Tables Using a Global Temporary Table
    • CREATING A Global Temporary Table
  • BTEQ – Batch Teradata Query
    • BTEQ – Batch Teradata Query Tool
    • How to Logon to BTEQ in Interactive Mode
    • Running Queries in BTEQ in Interactive Mode
    • BTEQ Commands vs BTEQ SQL Statements
    • WITH BY Command for Subtotals
    • WITH Command for a Grand Total
    • WITH and WITH BY Together for Subtotals and Grand Totals
    • How to Logon to BTEQ in a SCRIPT
    • Running Queries in BTEQ through a Batch Script
    • Running a BTEQ Batch Script through the Command Prompt
    • Running a BTEQ Batch Script through the Run Command
    • Using Nexus to Build Your BTEQ Scripts
    • Using Nexus to Build Your BTEQ Scripts
    • Using BTEQ Scripts to IMPORT Data
    • What Keywords Mean in a BTEQ Script
    • Creating a BTEQ IMPORT for a Comma Separated Value File
    • BTEQ Export – Four types of Export Variations
    • Creating a BTEQ Export Script in Record Mode
    • Creating a BTEQ Export Script in Report Mode
    • The Appearance of Record Mode vs Report Mode Data
    • Using Report Mode to Create a Comma Separated Report
    • Creating a BTEQ IMPORT for a Comma Separated Value File
    • Using Multiple Sessions in BTEQ
    • BTEQ Fast Path Inserts
    • BTEQ Can Use Conditional Logic
    • Using a BTEQ Export and Setting a Limit in a UNIX System
  • FastLoad
    • FastLoad
    • Block Level Utility Limits
    • FastLoad has Two Phases
    • FastLoad Phase 1
    • FastLoad Phase 2
    • A Sample FastLoad Script Created by Nexus SmartScript
    • Executing the FastLoad Script
    • The Nexus SmartScript Easily Builds Your Utilities
    • The Nexus SmartScript FastLoad Builder
    • Create and Execute Your FastLoad Scripts with Nexus
    • FastLoad to a NoPI Table
    • FastLoad and CHECKPOINT
    • Loading Multiple Input Files with FastLoad
    • Valid Data Types That Can Be Used in a FastLoad
    • A FastLoad that Converts Data Types
    • A FastLoad that Uses the NULLIF Statement
    • FastLoad and Referential Integrity Solutions
    • The Output Report from FastLoad
    • Recovering a FastLoad that has failed
    • A BTEQ Export and then a FastLoad
    • A FastExport and then a FastLoad Needs Indicators
  • MultiLoad
    • MultiLoad
    • Block Level Utility Limits
    • MultiLoad has Five Phases
    • MultiLoad has IMPORT and DELETE Tasks
    • A Sample MultiLoad Script Created by Nexus SmartScript
    • Referential Integrity and Load Utility Solutions
    • MultiLoad That Inserts and Updates from Two Different Files
    • MultiLoad DELETE Rules
    • Five Formats of MultiLoad Files
    • A NoPI Table Does Not Work with MultiLoad
    • Executing a MultiLoad Script
    • The Output Report from MultiLoad
    • Host Utility Locks (HUT Locks)
    • Troubleshooting MultiLoad
  • TPump
    • TPump
    • TPump is NOT a Block Level Utility and has No Limits
    • Limitations of TPump
    • A Sample TPump Script Created by Nexus SmartScript
    • Executing a TPump Script
    • TPump Begin Load Statement Options
    • Five Formats of TPump Files
    • TPump Script with Error Treatment Options
    • TPump UPSERT Script
    • The Output Report from TPump
  • FastExport
    • FastExport
    • New Rules for Block Utilities
    • A Sample FastExport Script Created by Nexus SmartScript
    • FastExport by Default places Null Indicators in Output
    • A Sample FastExport Script Created by Nexus SmartScript
    • No Spool Options with FastExport
    • FastExport with No Spool
    • FastExport that Joins Two Tables
    • FastExport Modes
    • How to Eliminate Indicators in your FastExport Script
    • Executing a FastExport Script
  • Teradata Parallel Transport (TPT)
    • What is TPT?
    • TPT Producers Create Streams and Consumers Write Them
    • The Four Major Operators of TPT
    • TPT can read from multiple source files in Parallel
    • TPT can have more Operators than Consumers
    • TPT Operators and their Equivalent Load Utility
    • How to Run a TPT Script
    • Six Syntax Rules when Creating TPT Scripts
    • TPT Scripts are divided into two major sections
    • Three Required Define Statements in the Declarative Section
    • The Major Keys to Building TPT Scripts
    • Schemas
    • The DDL Operator
    • The SQL Selector Operator
    • SQL_Selector Operator Export to Delimited File
    • The Export Operator
    • Deferred Schema
    • Export a Table to a Binary Flat File
    • The Load Operator
    • Load from Binary File
    • Data Connectors
    • Load Table from Flat File
    • Update Operator
    • Teradata V14.10 Extended MultiLoad Protocol (MLOADX)
    • Stream Operator
    • TPT Utility Commands
    • OS Command Operator
    • Include Statement
    • Operator Templates
    • Using Operator Templates
    • Moving Data from Netezza to Teradata
  • Top SQL Commands Cheat Sheet
    • SELECT All Columns from a Table and Sort
    • Select Specific Columns and Limiting the Rows
    • Changing your Default Database
    • Keywords that describe you
    • Select TOP Rows in a Rank Order
    • A Sample number of rows
    • Getting a Sample Percentage of rows
    • Find Information about a Database
    • Find information about a Table
    • Using Aggregates
    • Performing a Join
    • Performing a Join using ANSI Syntax
    • Using Date, Time and Timestamp
    • Using Date Functions
    • Using the System Calendar
    • Using the System Calendar in a Query
    • Formatting Data
    • Using Rank
    • Using a Derived Table
    • Using a Subquery
    • Correlated Subquery
    • Using Substring
    • Basic CASE Statement
    • Advanced CASE Statement
    • Using an Access Lock in your SQL