README
This commit is contained in:
5
exercice1.md
Normal file
5
exercice1.md
Normal file
@@ -0,0 +1,5 @@
|
||||
# postgreSQL
|
||||
|
||||
Restaurer la base de données postgreSQL.
|
||||
|
||||
Trouver le chemins le plus rapide à l'aide de l'algorith de Dijkstra entre le casino et la falaise
|
||||
@@ -3,61 +3,22 @@ docker build -t mon-app .
|
||||
http://localhost:3000
|
||||
|
||||
|
||||
```cypher
|
||||
LOAD CSV FROM 'file:///artists.csv' AS row
|
||||
MERGE (a:Artist { name: row[1], year: toInteger(row[2]) })
|
||||
RETURN a.name, a.year
|
||||
```
|
||||
|
||||
### Réseau routier
|
||||
|
||||
```cypher
|
||||
LOAD CSV WITH HEADERS
|
||||
FROM 'file:///individus.csv' AS row
|
||||
FIELDTERMINATOR ';'
|
||||
MERGE (i:Individu { id: toInteger(row['id']) })
|
||||
SET i.prenom = row['prenom'],
|
||||
i.age = toInteger(row['age']),
|
||||
i.sexe = row['sexe'],
|
||||
i.etudes = toInteger(row['etudes']),
|
||||
i.richesse = toInteger(row['richesse']),
|
||||
i.lecture = toFloat(row['lecture']),
|
||||
i.musique = toFloat(row['musique']),
|
||||
i.sport = toFloat(row['sport']);
|
||||
FROM 'file:///points.csv' AS row
|
||||
MERGE (p:Point { id: toInteger(row.id) })
|
||||
SET p.nom = row.nom,
|
||||
p.altitude = toInteger(row.altitude),
|
||||
p.location = point({
|
||||
longitude: toFloat(row.longitude),
|
||||
latitude: toFloat(row.latitude)
|
||||
});
|
||||
```
|
||||
|
||||
```cypher
|
||||
MATCH (i:Individu) RETURN i LIMIT 25;
|
||||
```
|
||||
|
||||
```cypher
|
||||
MATCH (i:Individu {id: 58 })
|
||||
RETURN i;
|
||||
```
|
||||
|
||||
```cypher
|
||||
LOAD CSV WITH HEADERS
|
||||
FROM 'file:///edges.csv' AS row
|
||||
FIELDTERMINATOR ';'
|
||||
MATCH (a:Individu {id: toInteger(row.source)})
|
||||
MATCH (b:Individu {id: toInteger(row.target)})
|
||||
MERGE (a)-[r:AMI]->(b)
|
||||
MERGE (b)-[r2:AMI]->(a);
|
||||
```
|
||||
|
||||
```cypher
|
||||
MATCH (i:Individu)
|
||||
DETACH DELETE i;
|
||||
```
|
||||
|
||||
MATCH path = (a:Individu {id:24})-[:AMI*1..3]->(b:Individu)
|
||||
RETURN path;
|
||||
|
||||
MATCH (a:Individu {id: 22}), (b:Individu {id: 100}),
|
||||
path = shortestPath((a)-[:AMI*..15]-(b))
|
||||
RETURN path;
|
||||
|
||||
MATCH (a:Point {nom:'Boulangerie'}), (b:Point {nom:'Salle des fêtes'})
|
||||
RETURN point.distance(a.location, b.location)
|
||||
|
||||
LOAD CSV WITH HEADERS FROM 'file:///routes.csv' AS row
|
||||
WITH row
|
||||
MATCH (a:Lieu {id: toInteger(row.source)})
|
||||
@@ -75,23 +36,13 @@ WITH a, row
|
||||
MATCH (b:Lieu {id: toInteger(row.target)})
|
||||
MERGE (b)-[r:ROUTE {route_id: toInteger(row.route_id) * 1000}]->(a)
|
||||
SET r.tag = row.tag, r.cout = toFloat(row.cout_inverse);
|
||||
|
||||
|
||||
|
||||
### Réseau routier
|
||||
|
||||
```cypher
|
||||
LOAD CSV WITH HEADERS
|
||||
FROM 'file:///points.csv' AS row
|
||||
MERGE (p:Point { id: toInteger(row.id) })
|
||||
SET p.nom = row.nom,
|
||||
p.altitude = toInteger(row.altitude),
|
||||
p.location = point({
|
||||
longitude: toFloat(row.longitude),
|
||||
latitude: toFloat(row.latitude)
|
||||
});
|
||||
```
|
||||
|
||||
1. Quelle est la distance entre le casino et la falaise
|
||||
|
||||
2. Quel est le plus court chemin entre le casino et la falaise
|
||||
|
||||
|
||||
### Réseau d'amis
|
||||
|
||||
```cypher
|
||||
@@ -113,3 +64,9 @@ CREATE CONSTRAINT individu_id IF NOT EXISTS
|
||||
FOR (i:Individu)
|
||||
REQUIRE i.id IS UNIQUE;
|
||||
```
|
||||
|
||||
1. Quels sont les amis de l'id 58
|
||||
|
||||
2. Quels sont les amis des amis de l'id 58
|
||||
|
||||
3. Quelle est la chaine de relation entre l'id 58 et 40 ?
|
||||
55
reponses.md
Normal file
55
reponses.md
Normal file
@@ -0,0 +1,55 @@
|
||||
```cypher
|
||||
LOAD CSV FROM 'file:///artists.csv' AS row
|
||||
MERGE (a:Artist { name: row[1], year: toInteger(row[2]) })
|
||||
RETURN a.name, a.year
|
||||
```
|
||||
|
||||
|
||||
```cypher
|
||||
LOAD CSV WITH HEADERS
|
||||
FROM 'file:///individus.csv' AS row
|
||||
FIELDTERMINATOR ';'
|
||||
MERGE (i:Individu { id: toInteger(row['id']) })
|
||||
SET i.prenom = row['prenom'],
|
||||
i.age = toInteger(row['age']),
|
||||
i.sexe = row['sexe'],
|
||||
i.etudes = toInteger(row['etudes']),
|
||||
i.richesse = toInteger(row['richesse']),
|
||||
i.lecture = toFloat(row['lecture']),
|
||||
i.musique = toFloat(row['musique']),
|
||||
i.sport = toFloat(row['sport']);
|
||||
```
|
||||
|
||||
```cypher
|
||||
MATCH (i:Individu) RETURN i LIMIT 25;
|
||||
```
|
||||
|
||||
```cypher
|
||||
MATCH (i:Individu {id: 58 })
|
||||
RETURN i;
|
||||
```
|
||||
|
||||
```cypher
|
||||
LOAD CSV WITH HEADERS
|
||||
FROM 'file:///edges.csv' AS row
|
||||
FIELDTERMINATOR ';'
|
||||
MATCH (a:Individu {id: toInteger(row.source)})
|
||||
MATCH (b:Individu {id: toInteger(row.target)})
|
||||
MERGE (a)-[r:AMI]->(b)
|
||||
MERGE (b)-[r2:AMI]->(a);
|
||||
```
|
||||
|
||||
```cypher
|
||||
MATCH (i:Individu)
|
||||
DETACH DELETE i;
|
||||
```
|
||||
|
||||
MATCH path = (a:Individu {id:24})-[:AMI*1..3]->(b:Individu)
|
||||
RETURN path;
|
||||
|
||||
MATCH (a:Individu {id: 22}), (b:Individu {id: 100}),
|
||||
path = shortestPath((a)-[:AMI*..15]-(b))
|
||||
RETURN path;
|
||||
|
||||
MATCH (a:Point {nom:'Boulangerie'}), (b:Point {nom:'Salle des fêtes'})
|
||||
RETURN point.distance(a.location, b.location)
|
||||
Reference in New Issue
Block a user