How to Write SQL to Group By Column and Using Distinct
ฝัง
- เผยแพร่เมื่อ 15 ก.ย. 2024
- Learn how to use Structured Query Language (SQL) to group rows by a certain column.
In particular, you learn how to use the GROUP BY statement to consolidate rows grouped by a certain column value. You also learn how to a similar thing using the DISTINCT keyword preceding the column name.