SQL Challenges

هنا سوف تجد جميع التحديات البرمجية التي تخص لغة SQL ويمكنك إختيار كتابة الإستعلام بواسطة Oracle أو MySQL كما تحب وفيما يلي رابط على الموقع فيه جميع التحديات.

https://www.hackerrank.com/domains/sql/select


The Problems


  • Revising The Select Query I
  • Revising The Select Query II
  • Select All

The Solutions


https://youtu.be/nUb45ion9cM

The Problems


  • Select By ID
  • Japanese Cities Attributes
  • Japanese Cities Names

The Solutions


https://youtu.be/M0bE8uctfhk

The Problems


  • Weather Observation Station 1
  • Weather Observation Station 3

The Solutions


https://youtu.be/dWqE6vpPoWk

The Problems


  • Weather Observation Station 4
  • Weather Observation Station 5

The Solutions


https://youtu.be/0NUukpXPyV4

The Problems


  • Weather Observation Station 6

The Solutions


https://youtu.be/wSSHeQVSbcU

The Problems


  • Weather Observation Station 7
  • Weather Observation Station 8

The Solutions


https://youtu.be/yQaaWc8AbQA

The Problems


  • Weather Observation Station 9
  • Weather Observation Station 10
  • Weather Observation Station 11
  • Weather Observation Station 12

The Solutions


https://youtu.be/8Qji8SCW99s

The Problems


  • Higher Than 75 Marks
  • Employee Names
  • Employee Salaries

The Solutions


https://youtu.be/jFeqSbHu_b8