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SQL Coding Questions by Industry

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SQL Coding Questions by SQL Operations

Single table operations

SELECT, WHERE, AND, OR, ORDER BY, LIMIT

COUNT, SUM, AVERAGE, MIN, MAX, GROUP BY, HAVING

IN, BETWEEN, LIKE, CASE WHEN

Multi-table operations

INNER JOIN

OUTER JOIN

UNION, UNION ALL

WINDOW functions

AVG, SUM, MAX/MIN

ROW_NUMBER, RANK, DENSE_RANK

NTILE

LAG, LEAD

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Human Resource SQL Coding Questions

Practice online Human Resource SQL coding questions, and become an expert in SQL.

ALL QUESTIONS

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ID Title Level FTPR Lecture
133 Small departments human resource easy
44%
2.2
134 Expensive departments human resource medium
32%
2.2
135 Unlucky employees human resource easy
15%
4.2
151 Salary report human resource easy
16%
2.3
152 Salary analysis human resource easy
23%
2.1
153 Project ROI human resource easy
18%
2.2
175 Employees' email account human resource easy
11%
2.1
176 Employees' annual bonus human resource easy
11%
2.3
178 Members who worked at both Microsoft and Google human resource medium
36%
2.3
179 Members who ever moved from Microsoft to Google human resource medium
35%
3.1
180 Members moved from Microsoft to Google directly. human resource hard
16%
4.4
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