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ON_CS

๐Ÿ“Œ Database

  • ํ‚ค(Key) ์ •๋ฆฌ
  • SQL์˜ ์ข…๋ฅ˜ (DDL, DML, DCL, TCL)
  • SQL - JOIN
  • SQL Injection
  • SQL vs NoSQL
  • ์ •๊ทœํ™”(Normalization)
  • ์ด์ƒ(Anomaly)
  • ์ธ๋ฑ์Šค(INDEX)
  • ํŠธ๋žœ์žญ์…˜(Transaction)
  • Commit๊ณผ Rollback
  • ํŠธ๋žœ์žญ์…˜ ๊ฒฉ๋ฆฌ ์ˆ˜์ค€(Transaction Isolation Level)
  • ์žฅ์• ์™€ ํšŒ๋ณต๊ธฐ๋ฒ•
  • ์ €์žฅ ํ”„๋กœ์‹œ์ €(Stored PROCEDURE)
  • ๋ ˆ๋””์Šค(Redis)
  • ํด๋Ÿฌ์Šคํ„ฐ๋ง vs ๋ฆฌํ”Œ๋ฆฌ์ผ€์ด์…˜(Clustering vs Replication)
  • ์šด์˜์ฒด์ œ๋ž€
  • ํ”„๋กœ์„ธ์Šค vs ์Šค๋ ˆ๋“œ
  • ํ”„๋กœ์„ธ์Šค ์ฃผ์†Œ ๊ณต๊ฐ„
  • ์ธํ„ฐ๋ŸฝํŠธ(Interrupt)
  • ์‹œ์Šคํ…œ ์ฝœ(System Call)
  • PCB์™€ Context Switching
  • IPC(Inter Process Communication)
  • CPU ์Šค์ผ€์ค„๋ง
  • ๋ฐ๋“œ๋ฝ(DeadLock)
  • Race Condition
  • ์„ธ๋งˆํฌ์–ด(Semaphore) & ๋ฎคํ…์Šค(Mutex)
  • ํŽ˜์ด์ง• & ์„ธ๊ทธ๋จผํ…Œ์ด์…˜
  • ํŽ˜์ด์ง€ ๊ต์ฒด ์•Œ๊ณ ๋ฆฌ์ฆ˜
  • ๋ฉ”๋ชจ๋ฆฌ(Memory)
  • ํŒŒ์ผ ์‹œ์Šคํ…œ

๐Ÿ“Œ Network

  • OSI 7 ๊ณ„์ธต
  • TCP vs UDP
  • TCP 3 way handshake & 4 way handshake
  • TCP/IP ํ๋ฆ„์ œ์–ด & ํ˜ผ์žก์ œ์–ด
  • UDP
  • ๋Œ€์นญํ‚ค & ๊ณต๊ฐœํ‚ค
  • HTTP & HTTPS
  • TLS/SSL handshake
  • ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ(Load Balancing)
  • RESTful์˜๋ฏธ์™€ ์„ค๊ณ„๊ทœ์น™
  • GET, POST ๋ฐฉ์‹์˜ ์ฐจ์ด์ 
  • DNS(Domain Name System)
  • ์›น ํ†ต์‹ ์˜ ํฐ ํ๋ฆ„
  • ๊ฒ€์ƒ‰์ฐฝ์— Youtube์„ ์น˜๋ฉด ์ผ์–ด๋‚˜๋Š” ๊ณผ์ •
  • Blocking,Non-blocking & Synchronous,Asynchronous
  • Blocking & Non-Blocking I/O

๐Ÿ“Œ Data Structure

๐Ÿ“Œ Java

๐Ÿ“Œ Spring

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