66 Data Cheat Sheets
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66 Cheat Sheets tagged with Data
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DRAFT: Cleaning Data with SQL Cheat SheetSummarizing the key SQL statements
Missing data:
WHERE IS NOT NULL
WHERE IS NULL
COUNT(*) GROUP BY ORDER BY
String Functions:
SUBSTRING(), LTRIM(), RTRIM(), LEFT(), RIGHT(), CHARINDEX(), LEN(), ISNUMERIC(), ISDATE()
Set Operations
EXCEPT/MINUS
INTERSECT
UNION
Dropping Duplicates
row_number() OVER ( PARTITION BY
WHERE > 1
Replace Through Regular Expressions
CASE with LIKE
30 Sep 22
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