48 lines
2.3 KiB
Markdown
48 lines
2.3 KiB
Markdown
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---
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title: SQL In Operator
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localeTitle: مزود في المشغل
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---
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## مزود في المشغل
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## في تعريف المشغل
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يتم استخدام عامل التشغيل `IN` في `WHERE` أو `HAVING` (كجزء من `GROUP BY` ) لتحديد الصفوف المحددة إلى عناصر "IN" قائمة.
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في ما يلي قائمة الطلاب الكاملة الحالية لمقارنة مجموعة نتائج `WHERE` :
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`select studentID, FullName, sat_score, rcd_updated from student;
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`
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`+-----------+------------------------+-----------+---------------------+
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| studentID | FullName | sat_score | rcd_updated |
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+-----------+------------------------+-----------+---------------------+
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| 1 | Monique Davis | 400 | 2017-08-16 15:34:50 |
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| 2 | Teri Gutierrez | 800 | 2017-08-16 15:34:50 |
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| 3 | Spencer Pautier | 1000 | 2017-08-16 15:34:50 |
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| 4 | Louis Ramsey | 1200 | 2017-08-16 15:34:50 |
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| 5 | Alvin Greene | 1200 | 2017-08-16 15:34:50 |
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| 6 | Sophie Freeman | 1200 | 2017-08-16 15:34:50 |
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| 7 | Edgar Frank "Ted" Codd | 2400 | 2017-08-16 15:35:33 |
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| 8 | Donald D. Chamberlin | 2400 | 2017-08-16 15:35:33 |
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| 9 | Raymond F. Boyce | 2400 | 2017-08-16 15:35:33 |
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+-----------+------------------------+-----------+---------------------+
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9 rows in set (0.00 sec)
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`
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سيتم عرض الصفوف التي لها نقاط SAT في هذه القائمة (1000 ، 2400):
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`select studentID, FullName, sat_score, rcd_updated
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from student
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where sat_score in (1000, 2400);
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`
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`+-----------+------------------------+-----------+---------------------+
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| studentID | FullName | sat_score | rcd_updated |
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+-----------+------------------------+-----------+---------------------+
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| 3 | Spencer Pautier | 1000 | 2017-08-16 15:34:50 |
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| 7 | Edgar Frank "Ted" Codd | 2400 | 2017-08-16 15:35:33 |
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| 8 | Donald D. Chamberlin | 2400 | 2017-08-16 15:35:33 |
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| 9 | Raymond F. Boyce | 2400 | 2017-08-16 15:35:33 |
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+-----------+------------------------+-----------+---------------------+
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4 rows in set (0.00 sec)
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`
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