Teradata Tutorial
Teradata Basics
Teradata Advanced
Teradata Useful Resources
Selected Reading
Teradata Basics
- Teradata - SubQueries
- Teradata - Joins
- Teradata - Primary Index
- Teradata - CASE & COALESCE
- Teradata - Aggregate Functions
- Teradata - Built-in Functions
- Teradata - Date/Time Functions
- Teradata - String Manipulation
- Teradata - SET Operators
- Logical & Conditional Operators
- Teradata - SELECT Statement
- Teradata - Data Manipulation
- Teradata - Tables
- Teradata - Data Types
- Teradata - Relational Concepts
- Teradata - Architecture
- Teradata - Installation
- Teradata - Introduction
Teradata Advanced
- Teradata - BTEQ
- Teradata - FastExport
- Teradata - MultiLoad
- Teradata - FastLoad
- Teradata - Performance Tuning
- Teradata - User Management
- Teradata - Data Protection
- Teradata - OLAP Functions
- Teradata - Partitioned Primary Index
- Teradata - JOIN Strategies
- Teradata - Stored Procedure
- Teradata - Macros
- Teradata - Views
- Teradata - Join Index
- Teradata - Hashing Algorithm
- Teradata - Explain
- Teradata - Compression
- Teradata - Statistics
- Teradata - Secondary Index
- Teradata - Space Concepts
- Teradata - Table Types
Teradata Useful Resources
- Teradata - Discussion
- Teradata - Useful Resources
- Teradata - Quick Guide
- Teradata - Questions & Answers
Selected Reading
- Who is Who
- Computer Glossary
- HR Interview Questions
- Effective Resume Writing
- Questions and Answers
- UPSC IAS Exams Notes
Teradata - Data Types
Teradata - Data Types
Each column in a table is associated with a data type. Data types specify what kind of values will be stored in the column. Teradata supports several data types. Following are some of the frequently used data types.
| Data Types | Length (Bytes) | Range of values |
|---|---|---|
| BYTEINT | 1 | -128 to +127 |
| SMALLINT | 2 | -32768 to +32767 |
| INTEGER | 4 | -2,147,483,648 to +2147,483,647 |
| BIGINT | 8 | -9,233,372,036,854,775,80 8 to +9,233,372,036,854,775,8 07 |
| DECIMAL | 1-16 | |
| NUMERIC | 1-16 | |
| FLOAT | 8 | IEEE format |
| CHAR | Fixed Format | 1-64,000 |
| VARCHAR | Variable | 1-64,000 |
| DATE | 4 | YYYYYMMDD |
| TIME | 6 or 8 | HHMMSS.nnnnnn or HHMMSS.nnnnnn+HHMM |
| TIMESTAMP | 10 or 12 | YYMMDDHHMMSS.nnnnnn or YYMMDDHHMMSS.nnnnnn +HHMM |