Client APIs
API Reference Overview
The internal vector size used by DuckDB.
This is the amount of tuples that will fit into a data chunk created by `duckdb_create_data_chunk`.  
###### Return Value {#docs:api:c:api::return-value}  
The vector size.  
###### Syntax {#docs:api:c:api::syntax}  
```c
idx_t duckdb_vector_size(

);
```  
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