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Use ARRAY_AGG to flatten columns to lists.
SQL

Use ARRAY_AGG to flatten columns to lists.

You need to convert a long table of values into a list? This is the most convenient function. πŸ“Œ Syntax: πš‚π™΄π™»π™΄π™²πšƒ π™°πšπšπ™°πšˆ_𝙰𝙢𝙢(πšŒπš˜πš•πšžπš–πš—) π™΅πšπ™Ύπ™Ό πšπšŠπš‹πš•πšŽ There
Pivot Table (From Long to Wide)
SQL

Pivot Table (From Long to Wide)

Every data scientist, scientist, and engineer should know how to create a pivot table. π™²π™°πš‚π™΄ πš†π™·π™΄π™½ is the best way to do
Find duplicates with RANK
SQL

Find duplicates with RANK

Let's clean out duplicates! Here's how. 1️⃣ Check if duplicates exists. Use π™Άπšπ™Ύπš„π™Ώ π™±πšˆ + π™²π™Ύπš„π™½πšƒ(*) to find duplicates. See example 1 in image
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