### SELECT
```
SELECT MatrNr, Name, Semester from Student
```

Spalte umbenennen
`SELECT MatrNr AS InsassenNr from Student`

Keine Duplikate
`SELECT DISTINCT Semester AS Jahrgänge from Student`

### WHERE

```
SELECT * from Student WHERE Semester = 2
---
SELECT * from Student s WHERE s.Semester = 2 AND s.Name='Byleth' 
```

#### Anatomie einer WHERE Klausel
Vergleichsoperatoren: <,>,=,<=,>=,<>
BETWEEN
LIKE
IS NULL / IS NOT NULL
AND, OR, NOT
+,-,\*,/
IN, NOT IN, $\theta$ ANY, $\theta$ ALL, EXISTS mit $\theta$ = Vergleichsoperator