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목록SQL (15)
Channi Studies
[SQL] Day 2: INSERT INTO & SELECT WHERE
Today, we learned about:Row insertingSELECT Row Insert Continued from yesterday's database, our employee table in myDB database has following columns We want to add a row of data into the table. In such situation, we will be using INSERT command. INSERT INTO employeesVALUES (1, "Eugene", "Krabs", 25.50, "2024-10-22");When insrting a row to a table, the new data have to follow the order of the co..
[SQL] Day 1: Database and Table
Database works like a folder, and table works like a file in SQL. We will work in the query window of MySQL Workbench Software, that can be accessed after succesfully connecting to MySQL server. Database To create a database, we use CREATE query (MySQL is not case-sensitive, meaning that you can use either CREATE, Create, create, CrEaTe, etc)CREATE DATABASE myDB; To use the created database, yo..
[SQL] Day 0: Setup
이번 포스트부터 매일 조금씩 SQL을 공부하는 프로젝트를 시작합니다. Relational Database Management System (RDBMS) software that manages and stores data in a structured format, using tables with rows and columns, and allows users to interact with the data using a structured query language (SQL). We will studying with MySQL, one of the most popular RDMBS used worldwide. Why We Use MySQL?✅ Structured Data Storage – MySQL is ..