> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfnote/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ret2basic.gitbook.io/ctfnote/computer-science/databases.md).

# Databases

- [MySQL](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/mysql.md)
- [Basic Syntax](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/mysql/basic-syntax.md)
- [Data Types](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/mysql/data-types.md)
- [Modifying Tables](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/mysql/modifying-tables.md)
- [Duplicating and Deleting](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/mysql/duplicating-and-deleting.md)
- [SELECT](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/mysql/select.md)
- [Transaction](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/mysql/transaction.md)
- [GraphQL](https://ret2basic.gitbook.io/ctfnote/computer-science/databases/graphql.md)
