table_id

The table' unique ID

database_name

Name of the database containing the table

table_name

Name of the table

status

The table status; one of New, Changed, Retrieved, Invalid, or Altered. (See Object::Status, for more information about object status values.)

attributes

Number of table attributes

primary_key_cols

Number of columns in the table's primary key

primary_key

A comma-separated list of the columns in the table's primary key

storage

Type of storage used by the table; one of memory, disk, or default

logging

Whether logging is enabled for this table

dynamic

1 if the table is dynamic, otherwise 0; the table is considered dynamic if table->getForceVarPart() is true, or if at least one table column is dynamic

read_backup

1 if read from any replica (READ_BACKUP option is enabled for this table, otherwise 0; see Section 15.1.22.12, “Setting NDB Comment Options”)

fully_replicated

1 if FULLY_REPLICATED is enabled for this table (each data node in the cluster has a complete copy of the table), 0 if not; see Section 15.1.22.12, “Setting NDB Comment Options”

checksum

If this table uses a checksum, the value in this column is 1; if not, it is 0

row_size

The amount of data, in bytes that can be stored in one row, not including any blob data stored separately in blob tables; see Table::getRowSizeInBytes(), in the API documentation, for more information

min_rows

Minimum number of rows, as used for calculating partitions; see Table::getMinRows(), in the API documentation, for more information

max_rows

Maximum number of rows, as used for calculating partitions; see Table::getMaxRows(), in the API documentation, for more information

tablespace

ID of the tablespace to which the table belongs, if any; this is 0, if the table does not use data on disk

fragment_type

The table's fragment type; one of Single, AllSmall, AllMedium, AllLarge, DistrKeyHash, DistrKeyLin, UserDefined, unused, or HashMapPartition; for more information, see Object::FragmentType, in the NDB API documentation

hash_map

The hash map used by the table

fragments

Number of table fragments

partitions

Number of partitions used by the table

partition_balance

Type of partition balance used, if any; one of FOR_RP_BY_NODE, FOR_RA_BY_NODE, FOR_RP_BY_LDM, FOR_RA_BY_LDM, FOR_RA_BY_LDM_X_2, FOR_RA_BY_LDM_X_3, or FOR_RA_BY_LDM_X_4; see Section 15.1.22.12, “Setting NDB Comment Options”

contains_GCI

1 if the table includes a global checkpoint index, otherwise 0

single_user_mode

Type of access allowed to the table when single user mode is in effect; one of locked, read_only, or read_write; these are equivalent to the values SingleUserModeLocked, SingleUserModeReadOnly, and SingleUserModeReadWrite, respectively, of the Table::SingleUserMode type in the NDB API

force_var_part

This is 1 if table->getForceVarPart() is true for this table, and 0 if it is not

GCI_bits

Used in testing

author_bits

Used in testing