SQL in MySQL 교육 과정

Course Code

sqlmysql

Duration

14 hours (usually 2 days including breaks)

Requirements

  • Computer literacy
  • Knowledge of any operating system

Overview

  • 검색어를 작성하는 방법은 무엇입니까?
  • 관계형 데이터베이스 란 무엇입니까?
  • 구조 및 SQL 명령은 무엇입니까?

Machine Translated

Course Outline

Relational database models

  • Relational operators
  • Characteristics of declarative SQL language
  • SQL syntax
  • Division language DQL, DML, DDL, DCL

Data Query Language

  • SELECT queries.
  • Aliases columns of tables
  • Service date (DATE types, display functions, formatting)
  • Group Features
  • Combining internal and external tables (JOIN clause)
  • UNION operator
  • Nested Subqueries (the WHERE clause, the table name, column name)
  • Correlated subqueries

Data Modification Language

  • Inserting rows (INSERT clause)
  • Inserting rows by request
  • Variation of the rows (UPDATE)
  • Delete rows (DELETE)

Data Definition Language

  • Creating, altering and dropping objects (CREATE, ALTER, DROP)
  • Creating tables using subquery (CREATE TABLE .... AS SELECT...)

CONSTRAINTS

  • Options NULL and NOT NULL
  • CONSTRAINT clause
  • ENUM type
  • type SET
  • PRIMARY KEY condition
  • UNIQUE condition
  • FOREIGN KEY condition
  • DEFAULT clause

Transactions

  • The command COMMIT, ROLLBACK, SAVEPOINT

회원 평가

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