DWHPro helps thousands of visitors every month to become experts in Teradata and data warehouse design and operations by Roland Wenzlofsky

All issues

Teradata ALTER TABLE vs INSERT INTO: Which Is Faster?

ALTER TABLE or INSERT INTO a new table? A measured comparison on a large table, and which one…

From the DWHPro archive

Teradata ALTER Table vs. INSERT INTO: Which Method is Efficient?

ALTER TABLE or INSERT INTO a new table? A measured comparison on a large table, and which one actually used fewer resources.

Read the article →

Also worth reading: Teradata SQL Tuning and Query Rewriting

— Roland


Written by Roland Wenzlofsky — 25 years on enterprise data platforms, author of Teradata Query Performance Tuning.

Keep reading

Enter your email to finish this story and get Roland Wenzlofsky's next one straight to your inbox.

Already subscribed? Enter the same address and you'll go straight through. · Free, and you can unsubscribe any time.

Share

More issues

All 87 →
#80 Oct 22, 2026

Teradata PPI: Partitioned Primary Index Explained

Read issue →
#79 Oct 20, 2026

Teradata Statistics Design for Performance

Read issue →