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String-Functions Interview Problems (6)

Practice string-functions questions asked in data science interviews

Status	Title	Difficulty	Language	Company	Topic
	Clean Inconsistently Formatted Phone Numbers Pro	Easy	SQL	Twilio Salesforce HubSpot	string-functions
	Filter with LIKE Pattern Free	Easy	SQL	Amazon Instacart DoorDash	string-functions
	Split Full Name into First and Last Pro	Easy	SQL	LinkedIn Workday ADP	string-functions
	String Length and Substring Pro	Easy	SQL	Instacart DoorDash Robinhood	string-functions
	REPLACE and CONCAT for Data Cleaning Pro	Medium	SQL	Amazon Robinhood Instacart	string-functions
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	String Aggregation and Grouping Pro	Medium	SQL	DoorDash Instacart Robinhood	string-functions

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SQL string function interview questions: LIKE patterns, SUBSTRING, REPLACE, CONCAT, and STRING_AGG — with runnable practice problems.

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