Join
Software Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: A join is an operation that combines rows from two or more tables based on a related column between them.
Example in context
“The developer used an inner join to retrieve customer orders that have matching payment records.”
“Geliştirici, eşleşen ödeme kayıtlarına sahip müşteri siparişlerini almak için iç birleştirme kullandı.”
Where engineers use it
Joins are fundamental in SQL for retrieving related data across multiple tables. An engineer writes join clauses to combine tables in queries. Understanding different join types (inner, left, right, full) is essential for correct data retrieval.
Synonyms: table join, join operation
Practice: can you use “Join” at work?
A developer needs to fetch all products and their corresponding supplier details stored in separate tables. Which join type should they use and why?
Show a model answer
“Use a join to combine rows from multiple tables based on a common column.”
“Join” in 21 languages
| English | Join |
|---|---|
| Turkish | birleştirme |
| French | jointure |
| German | Join |
| Spanish | join |
| Chinese | 连接 |
| Arabic | انضمام |
| Portuguese | junção |
| Russian | объединение |
| Japanese | 結合 |
| Italian | join |
| Vietnamese | kết nối |
| Hindi | जॉइन |
| Thai | จอยน์ |
| Indonesian | join |
| Korean | 조인 |
| Bengali | জয়েন |
| Dutch | join |
| Swedish | join |
| Finnish | liitos |
| Ukrainian | з'єднання |
Frequently asked questions
What does Join mean in engineering?
A join is an operation that combines rows from two or more tables based on a related column between them. In Software Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce Join?
Join is pronounced /dʒɔɪn/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is Join used in a sentence?
Example from an engineering context: “The developer used an inner join to retrieve customer orders that have matching payment records.”
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