---
# System prepended metadata

title: Simple flow chart sample

---

# Simple flow chart sample
```mermaid
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;
```
----
# More complex flow chart sample
```mermaid
graph TD;
    SQL-->DDL;
    SQL-->DML;
    SQL-->DQL;
    SQL-->TCL;
    SQL-->DCL;
    DDL-->Create;
    DDL-->Alter;
    DDL-->Drop;
    DDL-->Truncate;
    DML-->Insert;
    DML-->Update;
    DML-->Delete;
    DQL-->Select;
    TCL-->Commit;
    TCL-->Rollback;
    TCL-->Savepoint;
    DCL-->Grant;
    DCL-->Revoke;
```