- Neo4j Tutorial
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- Neo4j - Overview
- Neo4j - Data Model
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- Neo4j CQL Write Clauses
- Neo4j - Merge Command
- Neo4j - Set Clause
- Neo4j - Delete Clause
- Neo4j - Remove Clause
- Neo4j - Foreach Clause
- Neo4j CQL Read Clause
- Neo4j - Match Clause
- Neo4j - Optional Match Clause
- Neo4j - Where Clause
- Neo4j - Count Function
- Neo4j CQL General Clauses
- Neo4j - Return Clause
- Neo4j - Order By Clause
- Neo4j - Limit Clause
- Neo4j - Skip Clause
- Neo4j - With Clause
- Neo4j - Unwind Clause
- Neo4j CQL Functions
- Neo4j - String Functions
- Neo4j - Aggregation Function
- Neo4j CQL Admin
- Neo4j - Backup & Restore
- Neo4j - Index
- Neo4j - Create Unique Constraint
- Neo4j - Drop Unique
- Neo4j Useful Resources
- Neo4j - Quick Guide
- Neo4j - Useful Resources
- Neo4j - Discussion
Neo4j - Count Function
Assume we have created a graph in the database with the following details.
Count
The count() function is used to count the number of rows.
Syntax
Following is the syntax of the count function.
MATCH (n { name: 'A' })-->(x)
RETURN n, count(*)
Example
Following is a sample Cypher Query which demonstrates the usage of the count() function.
Match(n{name: "India", result: "Winners"})--(x)
RETURN n, count(*)
To execute the above query, carry out the following steps −
Step 1 − Open the Neo4j desktop App and start the Neo4j Server. Open the built-in browser app of Neo4j using the URL http://localhost:7474/ as shown in the following screenshot.
Step 2 − Copy and paste the desired query in the dollar prompt and press the play button (to execute the query) highlighted in the following screenshot.
Result
On executing, you will get the following result.
Group Count
The COUNT clause is also used to count the groups of relationship types.
Example
Following is a sample Cypher Query which counts and returns the number of nodes participating in each relation.
Match(n{name: "India", result: "Winners"})-[r]-(x)
RETURN type (r), count(*)
To execute the above query, carry out the following steps −
Step 1 − Open the Neo4j desktop App and start the Neo4j Server. Open the built-in browser app of Neo4j using the URL http://localhost:7474/ as shown in the following screenshot.
Step 2 − Copy and paste the desired query in the dollar prompt and press the play button (to execute the query) highlighted in the following screenshot.
Result
On executing, you will get the following result.
