odbc_statistics(?Key)- statements(Created, Freed)
- Number of SQL statements that have been Created and Freed over all connections. Statements executed with odbc_query/[2-3] increment Created as the query is created and Freed if the query is terminated due to deterministic success, failure, cut or exception. Statements created with odbc_prepare/[4-5] are freed by odbc_free_statement/1 or due to a fatal error with the statement.