SQL question

Question

Suppose a employee timesheet table is given, which has attributes emp_id, emp_status (IN/OUT only), swipe_time(which records date and time both when the card is swiped). Write a SQL query to find total number of employees who are inside the office at 4PM . Consider all possible cases .

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Anonymous 55 years 1 Answer 1148 views 0

Answer ( 1 )

  1. shuv13111
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    A similar question was asked in Meesho for a Business Analyst role.

    SELECT
    SUM(CASE WHEN emp_status = ‘In’ THEN 1
    WHEN emp_status = ‘Out’ THEN -1)
    FROM emp_timesheet
    WHERE swipe_time < '16:00:00' AND emp_status = 'Out'

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