Configuration
Metadata
Get the file and memory size of each database:  
```sql
SET database_size;
CALL pragma_database_size();
```  
`database_size` returns information about the file and memory size of each database. The column types of the returned results are given below:  
```sql
database_name VARCHAR, -- database name
database_size VARCHAR, -- total block count times the block size
block_size BIGINT,     -- database block size
total_blocks BIGINT,   -- total blocks in the database
used_blocks BIGINT,    -- used blocks in the database
free_blocks BIGINT,    -- free blocks in the database
wal_size VARCHAR,      -- write ahead log size
memory_usage VARCHAR,  -- memory used by the database buffer manager
memory_limit VARCHAR   -- maximum memory allowed for the database
```