zodb_version

Table zodb_version:

Name	Description	Storing	Db field type
z_oid	OID	binascii.b2a_base64 repr of oid	CHAR(12) NOT NULL
z_serial	Serial number	binascii.b2a_base64 repr of serial	CHAR(12) NOT NULL
z_status	Status code	Single-char status code used primarily for nontransactional storages	CHAR(1)
z_version	Version string	string <= 65KB	very long VARCHAR or BLOB or LONG
z_nv	Non version serial number	binascii.b2a_base64 repr of nonversion serial for oid	CHAR(12)