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Update a Table with Millions of Rows in SQL (Fast)
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Running an SQL UPDATE statement on a table with millions of rows can often take a long time.
There are several different ways you can update this data so that it runs faster.
In this video, I explain and demonstrate five different approaches to updating data in a table with millions of records.
The demonstration is done in Postgres, but the concepts are valid for Oracle, SQL Server, MySQL, and other vendors.
⏱ TIMESTAMPS:
00:00 - Our sample data
00:47 - Method 1
01:22 - Method 2
02:09 - Method 3
04:38 - Method 4
05:25 - Method 5
🔗 VIDEO LINKS:
Update a Table with Millions of Rows in SQL (Fast)
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