Teradata SQL
(เทรดาต้า SQL)
Definition
Teradata SQL (เทรดาต้า SQL) Tool
Teradata SQL is a specialized extension of SQL designed for the Teradata database system, enabling efficient querying, data manipulation, and management of large-scale data warehousing environments.
Expertise Level
Level 1
Basic
1. Understands basic Teradata SQL syntax and commands.
2. Can write simple SELECT queries to retrieve data.
3. Familiar with basic data types and table structures in Teradata.
Level 2
Intermediate
1. Can write complex queries involving JOINs, GROUP BY, and subqueries.
2. Understands indexing and optimization techniques in Teradata.
3. Able to perform data manipulation using INSERT, UPDATE, and DELETE commands.
Level 3
Advanced
1. Optimizes Teradata SQL queries for performance on large datasets.
2. Implements advanced Teradata-specific features like MERGE, MULTISET tables, and window functions.
3. Designs and manages complex data warehousing solutions using Teradata SQL.
