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Let’s say we have a table with an id and name fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database. Write a query to randomly sample a row from this table. Input: big_table table Columns Type id INTEGER name VARCHAR
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Junior Software Engineer

Interviewed at Chewy

3.4★
Sep 17, 2024

Let’s say we have a table with an id and name fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database. Write a query to randomly sample a row from this table. Input: big_table table Columns Type id INTEGER name VARCHAR

Write a code in C (on paper! in 2 mins!) to receive an array of different integer values, and produce another array(list) of only the duplicated values in the original array, if a duplicate value is found more than once, the list shall only show one value, order is not important.
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Junior Embedded Software Engineer

Interviewed at Valeo

3.8★
Nov 11, 2014

Write a code in C (on paper! in 2 mins!) to receive an array of different integer values, and produce another array(list) of only the duplicated values in the original array, if a duplicate value is found more than once, the list shall only show one value, order is not important.

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