# Sample Transactions

```cypher
// Create sample nodes
CREATE (rachel:Customer {name: 'Rachel'})
CREATE (ross:Customer {name: 'Ross'})
CREATE (monica:Customer {name: 'Monica'})
CREATE (chandler:Customer {name: 'Chandler'})
CREATE (joey:Customer {name: 'Joey'})
CREATE (phoebe:Customer {name: 'Phoebe'})
```

```cypher
CREATE (card1:CreditCard {number: '1234567890123456'})
CREATE (card2:CreditCard {number: '9876543210987654'})
CREATE (card3:CreditCard {number: '2345678901234567'})
CREATE (card4:CreditCard {number: '7890123456789012'})
CREATE (card5:CreditCard {number: '3456789012345678'})
CREATE (card6:CreditCard {number: '6789012345678901'})
```

```cypher
CREATE (macys:Merchant {name: 'Macys'})
CREATE (officeDepot:Merchant {name: 'Office Depot'})
CREATE (centralPerk:Merchant {name: 'Central Perk'})
CREATE (pizzaHut:Merchant {name: 'Pizza Hut'})
CREATE (bloomingdales:Merchant {name: 'Bloomingdales'})
```

```cypher
// Create relationships
CREATE (rachel)-[:OWNS]->(card1)
CREATE (ross)-[:OWNS]->(card2)
CREATE (monica)-[:OWNS]->(card3)
CREATE (chandler)-[:OWNS]->(card4)
CREATE (joey)-[:OWNS]->(card5)
CREATE (phoebe)-[:OWNS]->(card6)
```

```cypher
// Create sample transactions
CREATE (tx1:Transaction {amount: 100, timestamp: datetime()})
CREATE (tx2:Transaction {amount: 200, timestamp: datetime()})
CREATE (tx3:Transaction {amount: 50, timestamp: datetime()})
CREATE (tx4:Transaction {amount: 300, timestamp: datetime()})
CREATE (tx5:Transaction {amount: 75, timestamp: datetime()})
CREATE (tx6:Transaction {amount: 120, timestamp: datetime()})
CREATE (tx7:Transaction {amount: 500, timestamp: datetime()})
CREATE (tx8:Transaction {amount: 40, timestamp: datetime()})
CREATE (tx9:Transaction {amount: 250, timestamp: datetime()})
CREATE (tx10:Transaction {amount: 80, timestamp: datetime()})
```

```cypher
CREATE (card1)-[:USED_IN]->(tx1)-[:MADE_AT]->(macys)
CREATE (card1)-[:USED_IN]->(tx2)-[:MADE_AT]->(officeDepot)
CREATE (card2)-[:USED_IN]->(tx3)-[:MADE_AT]->(macys)
CREATE (card2)-[:USED_IN]->(tx4)-[:MADE_AT]->(officeDepot)
CREATE (card3)-[:USED_IN]->(tx5)-[:MADE_AT]->(centralPerk)
CREATE (card3)-[:USED_IN]->(tx6)-[:MADE_AT]->(bloomingdales)
CREATE (card4)-[:USED_IN]->(tx7)-[:MADE_AT]->(macys)
CREATE (card5)-[:USED_IN]->(tx8)-[:MADE_AT]->(pizzaHut)
CREATE (card5)-[:USED_IN]->(tx9)-[:MADE_AT]->(macys)
CREATE (card6)-[:USED_IN]->(tx10)-[:MADE_AT]->(centralPerk)
```

Find all customers

```cypher
MATCH (c:Customer)
RETURN c.name
```

Find all transactions made at Macys

```cypher
MATCH (tx:Transaction)-[:MADE_AT]->(m:Merchant)
WHERE m.name = 'Macys'
RETURN tx.amount, tx.timestamp
```

Find all credit cards owned by Ross

```cypher
MATCH (ross:Customer {name: 'Ross'})-[:OWNS]->(card:CreditCard)
RETURN card.number
```

Find the customer who made a specific transaction for 120

```cypher
MATCH (c:Customer)-[:OWNS]->(card:CreditCard)-[:USED_IN]->(tx:Transaction)
WHERE tx.amount = 120 
RETURN c.name
```

Find the merchants where Monica made transactions

```cypher
MATCH (monica:Customer {name: 'Monica'})-[:OWNS]->(card:CreditCard)-[:USED_IN]->(tx:Transaction)-[:MADE_AT]->(m:Merchant)
RETURN DISTINCT m.name
```

Find the total amount spent by Chandler at Macys

```cypher
MATCH (chandler:Customer {name: 'Chandler'})-[:OWNS]->(card:CreditCard)-[:USED_IN]->(tx:Transaction)-[:MADE_AT]->(macys:Merchant {name: 'Macys'})
RETURN SUM(tx.amount) AS total_spent
```


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