---
name: "ndb_desc"
section: "1"
platform: "linux"
package: "mysql-server-5.0"
version: "5.0.51a-24+lenny5"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/ndb_desc"
---

# ndb\_desc(1)

describe NDB tables

## NAME

ndb\_desc - describe NDB tables

## SYNOPSIS

**ndb\_desc** *options*

## DESCRIPTION

**ndb\_desc** provides a detailed description of one or more NDB tables.

**Usage**:

```
ndb_desc -c connect_string tbl_name -d db_name
```

**Sample Output**:

MySQL table creation and population statements:

```
USE test;
CREATE TABLE fish (
    id INT(11) NOT NULL AUTO_INCREMENT,
    name VARCHAR(20),
    PRIMARY KEY pk (id),
    UNIQUE KEY uk (name)
) ENGINE=NDBCLUSTER;
INSERT INTO fish VALUES
    ('','guppy'), ('','tuna'), ('','shark'),
    ('','manta ray'), ('','grouper'), ('','puffer');
```

Output from **ndb\_desc**:

```
shell> ./ndb_desc -c localhost fish -d test -p
-- fish --
Version: 16777221
Fragment type: 5
K Value: 6
Min load factor: 78
Max load factor: 80
Temporary table: no
Number of attributes: 2
Number of primary keys: 1
Length of frm data: 268
Row Checksum: 1
Row GCI: 1
TableStatus: Retrieved
-- Attributes --
id Int PRIMARY KEY DISTRIBUTION KEY AT=FIXED ST=MEMORY
name Varchar(20;latin1_swedish_ci) NULL AT=SHORT_VAR ST=MEMORY
-- Indexes --
PRIMARY KEY(id) - UniqueHashIndex
uk(name) - OrderedIndex
PRIMARY(id) - OrderedIndex
uk$unique(name) - UniqueHashIndex
-- Per partition info --
Partition  Row count  Commit count  Frag fixed memory  Frag varsized memory
2          2          2             65536              327680
1          2          2             65536              327680
3          2          2             65536              327680
NDBT_ProgramExit: 0 - OK
```

**Additional Options**:

- •

  **--extra-partition-info**, **-p**

  Prints additional information about the table's partitions.

- •

  Information about multiple tables can be obtained in a single invocation of **ndb\_desc** by using their names, separated by spaces. All of the tables must be in the same database.

## COPYRIGHT

Copyright 2007-2008 MySQL AB

This documentation is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License.

This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.

## SEE ALSO

For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/.

## AUTHOR

MySQL AB (http://www.mysql.com/).