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ndb_show_tables − display list of NDB tables


ndb_show_tables [options]


ndb_show_tables displays a list of all NDB database objects in the cluster. By default, this includes not only both user−created tables and NDB system tables, but NDB−specific indexes, internal triggers, and NDB Cluster Disk Data objects as well.

Options that can be used with ndb_show_tables are shown in the following table. Additional descriptions follow the table.

Table 23.48. Command−line options used with the program ndb_show_tables

ndb_show_tables [−c connection_string]

Directory containing character sets.

Number of times to retry connection before giving up.

Number of seconds to wait between attempts to contact management server.

Same as −−ndb−connectstring.

Write core file on error; used in debugging.

−−database, −d Specifies the name of the database in which the desired table is found. If this option is given, the name of a table must follow the database name.

If this option has not been specified, and no tables are found in the TEST_DB database, ndb_show_tables issues a warning.

Read given file after global files are read.

Read default options from given file only.

Also read groups with concat(group, suffix).

Display help text and exit.

Read given path from login file.

−−loops, −l Specifies the number of times the utility should execute. This is 1 when this option is not specified, but if you do use the option, you must supply an integer argument for it.

Set connect string for connecting to ndb_mgmd. Syntax: "[nodeid=id;][host=]hostname[:port]". Overrides entries in NDB_CONNECTSTRING and my.cnf.

Same as −−ndb−connectstring.

Set node ID for this node, overriding any ID set by −−ndb−connectstring.

Enable optimizations for selection of nodes for transactions. Enabled by default; use −−skip−ndb−optimized−node−selection to disable.

Do not read default options from any option file other than login file.

−−parsable, −p Using this option causes the output to be in a format suitable for use with LOAD DATA.

Print program argument list and exit.

−−show−temp−status If specified, this causes temporary tables to be displayed.

−−type, −t Can be used to restrict the output to one type of object, specified by an integer type code as shown here:

• 1: System table

• 2: User−created table

• 3: Unique hash index

Any other value causes all NDB database objects to be listed (the default).

−−unqualified, −u If specified, this causes unqualified object names to be displayed.

Display help text and exit; same as −−help.

Display version information and exit.


Only user−created NDB Cluster tables may be accessed from MySQL; system tables such as SYSTAB_0 are not visible to mysqld. However, you can examine the contents of system tables using NDB API applications such as ndb_select_all (see ndb_select_all(1)).

Prior to NDB 8.0.20, this program printed NDBT_ProgramExit − status upon completion of its run, due to an unnecessary dependency on the NDBT testing library. This dependency has been removed, eliminating the extraneous output.


Copyright © 1997, 2023, Oracle and/or its affiliates.

This documentation is free software; you can redistribute it and/or modify it only 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/.


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/.


Oracle Corporation (http://dev.mysql.com/).