order by 썸네일형 리스트형 List of SQL Commands BACKGROUNDSQL, 'Structured Query Language', is a programming language designed to manage data stored in relational databases. SQL operates through simple, declarative statements. This keeps data accurate and secure, and helps maintain the integrity of databases, regardless of size.Here's an appendix of commonly used commands.COMMANDSALTER TABLEALTER TABLE table_name ADD column datatype; ALTER TA.. 더보기 이전 1 다음
