STATUS_CODE
They status code are returned after some actions. You can check their values to know what happens
Success code#
Table creation succeeded#
const int STATUS_TABLE_CREATED = -200;  // Table creation succeededTable already exist#
const int STATUS_TABLE_EXIST = -201;    // Table already existMemory is available#
const int STATUS_SUF_MEMORY = -204;  // Sufficient memory - memory is availableError code#
Table not found#
const int STATUS_TABLE_NOT_FOUND = -401;  // Table not foundColumn not found#
const int STATUS_COL_NOT_FOUND = -402;    // Column not foundInsufficient memory#
const int STATUS_INSUF_MEMORY = -404;     // Insufficient memoryMaximum of capacity exceeded#
const int STATUS_MAX_CAP_EXCEEDED = -405; // Maximum of capacity exceeded Example#
example
if (mem.CREATE_TABLE("EM") == STATUS_INSUF_MEMORY) {    Serial.println("Table creation failed due to insuffient memory!!");}