3.6 KiB
| sidebar_label | title |
|---|---|
| SHOW Statement | SHOW Statement for Metadata |
SHOW command can be used to get brief system information. To get details about metatadata, information, and status in the system, please use select to query the tables in database INFORMATION_SCHEMA.
SHOW APPS
SHOW APPS;
Shows all clients (such as applications) that connect to the cluster.
SHOW CLUSTER
SHOW CLUSTER;
Shows information about the current cluster.
SHOW CONNECTIONS
SHOW CONNECTIONS;
Shows information about connections to the system.
SHOW CONSUMERS
SHOW CONSUMERS;
Shows information about all active consumers in the system.
SHOW CREATE DATABASE
SHOW CREATE DATABASE db_name;
Shows the SQL statement used to create the specified database.
SHOW CREATE STABLE
SHOW CREATE STABLE [db_name.]stb_name;
Shows the SQL statement used to create the specified supertable.
SHOW CREATE TABLE
SHOW CREATE TABLE [db_name.]tb_name
Shows the SQL statement used to create the specified table. This statement can be used on supertables, standard tables, and subtables.
SHOW DATABASES
SHOW DATABASES;
Shows all user-created databases.
SHOW DNODES
SHOW DNODES;
Shows all dnodes in the system.
SHOW FUNCTIONS
SHOW FUNCTIONS;
Shows all user-defined functions in the system.
SHOW LICENSE
SHOW LICENSE;
SHOW GRANTS;
Shows information about the TDengine Enterprise Edition license.
Note: TDengine Enterprise Edition only.
SHOW INDEXES
SHOW INDEXES FROM tbl_name [FROM db_name];
Shows indices that have been created.
SHOW LOCAL VARIABLES
SHOW LOCAL VARIABLES;
Shows the working configuration of the client.
SHOW MNODES
SHOW MNODES;
Shows information about mnodes in the system.
SHOW QNODES
SHOW QNODES;
Shows information about qnodes in the system.
SHOW SCORES
SHOW SCORES;
Shows information about the storage space allowed by the license.
Note: TDengine Enterprise Edition only.
SHOW STABLES
SHOW [db_name.]STABLES [LIKE 'pattern'];
Shows all supertables in the current database. You can use LIKE for fuzzy matching.
SHOW STREAMS
SHOW STREAMS;
Shows information about streams in the system.
SHOW SUBSCRIPTIONS
SHOW SUBSCRIPTIONS;
Shows all subscriptions in the system.
SHOW TABLES
SHOW [db_name.]TABLES [LIKE 'pattern'];
Shows all standard tables and subtables in the current database. You can use LIKE for fuzzy matching.
SHOW TABLE DISTRIBUTED
SHOW TABLE DISTRIBUTED table_name;
Shows how table data is distributed.
SHOW TAGS
SHOW TAGS FROM child_table_name [FROM db_name];
Shows all tag information in a subtable.
SHOW TOPICS
SHOW TOPICS;
Shows all topics in the current database.
SHOW TRANSACTIONS
SHOW TRANSACTIONS;
Shows all running transactions in the system.
SHOW USERS
SHOW USERS;
Shows information about users on the system. This includes user-created users and system-defined users.
SHOW VARIABLES
SHOW VARIABLES;
SHOW DNODE dnode_id VARIABLES;
Shows the working configuration of the parameters that must be the same on each node. You can also specify a dnode to show the working configuration for that node.
SHOW VGROUPS
SHOW [db_name.]VGROUPS;
Shows information about all vgroups in the system or about the vgroups for a specified database.
SHOW VNODES
SHOW VNODES [dnode_name];
Shows information about all vnodes in the system or about the vnodes for a specified dnode.