
- Teradata Tutorial
- Teradata - Home
- Teradata Basics
- Teradata - Introduction
- Teradata - Installation
- Teradata - Architecture
- Teradata - Relational Concepts
- Teradata - Data Types
- Teradata - Tables
- Teradata - Data Manipulation
- Teradata - SELECT Statement
- Logical & Conditional Operators
- Teradata - SET Operators
- Teradata - String Manipulation
- Teradata - Date/Time Functions
- Teradata - Built-in Functions
- Teradata - Aggregate Functions
- Teradata - CASE & COALESCE
- Teradata - Primary Index
- Teradata - Joins
- Teradata - SubQueries
- Teradata Advanced
- Teradata - Table Types
- Teradata - Space Concepts
- Teradata - Secondary Index
- Teradata - Statistics
- Teradata - Compression
- Teradata - Explain
- Teradata - Hashing Algorithm
- Teradata - Join Index
- Teradata - Views
- Teradata - Macros
- Teradata - Stored Procedure
- Teradata - JOIN Strategies
- Teradata - Partitioned Primary Index
- Teradata - OLAP Functions
- Teradata - Data Protection
- Teradata - User Management
- Teradata - Performance Tuning
- Teradata - FastLoad
- Teradata - MultiLoad
- Teradata - FastExport
- Teradata - BTEQ
- Teradata Useful Resources
- Teradata - Questions & Answers
- Teradata - Quick Guide
- Teradata - Useful Resources
- Teradata - Discussion
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 |
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