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Data Definition Language (DDL) is used to create, modify, and delete database objects, such as tables, indexes, views, functions, stored procedures, and triggers. vCPU and memory changes are applied on all nodes in sequence.
Data Definition Language (DDL) is used to create, modify, and delete database objects, such as tables, indexes, views, functions, stored procedures, and triggers. vCPU and memory changes are applied on all nodes in sequence.
Figure 10 Searching for a command On the My Commands page, you can also create, edit, and delete a command or copy it to the command window. Figure 11 Managing a command Clear commands. You can also press F10 to clear the command in the command window.
Rows Mean of limit difference ≥ 0 - N/A GeminiDB Cassandra instance nodes 1 minute cassandra174_tombstone_query_rate Tombstone Query Requests per Second Rate of tombstone query requests ≥ 0 Counts/s N/A GeminiDB Cassandra instance nodes 1 minute cassandra175_single_delete_rate Row Delete
Requests per Second Rate at which a single row is deleted ≥ 0 Counts/s N/A GeminiDB DynamoDB-Compatible instance node 1 minute cassandra176_range_delete_rate Range Delete Requests per Second Range deletion rate ≥ 0 Counts/s N/A GeminiDB DynamoDB-Compatible instance node 1 minute
USE db_name Delete a database.
After memory acceleration is enabled, commands such as RESET MASTER and FLUSH LOGS used to delete binlogs on TaurusDB instances are not allowed. A Redis key prefix and a delimiter in a new rule can neither include those nor be included in those specified for an existing rule.
Query and Write Operation Commands find √ - insert √ - update √ - delete √ - findAndModify √ - getMore √ - getLastError √ - parallelCollectionScan x System command Query Plan Cache Commands planCacheListFilters √ - planCacheSetFilter √ - planCacheClearFilters √ - planCacheListQueryShapes
On the displayed page, locate the account that you want to delete and click Delete. In the displayed dialog box, click OK. Figure 7 Deleting an account Verify that the deleted account is no longer displayed.
Manual backup A manual backup is a full backup of a DB instance and can be retained until you manually delete it. Manual backup can be triggered at any time to meet your service requirements. Regularly backing up your database is recommended.
Manual backup A manual backup is a full backup of a DB instance and can be retained until you manually delete it. Manual backup can be triggered at any time to meet your service requirements. Regularly backing up your database is recommended.
In Read-Only Mode kill query √ √ show queries √ √ Querying, Writing, and Deleting Data Points Table 5 Commands supported by data points Command Supported In Read/Write Mode Supported In Read-Only Mode select √ √ select xxx into √ √ insert into √ × insert √ × limit √ √ offset √ √ delete
The operations can be query, insert, update, delete, or command. ns indicates the target collection. For details, see the db.currentOp() command in the official document. Based on the command output, check whether there are requests that take prolonged periods to process.
Figure 17 Searching for a command On the My Commands page, you can also create, edit, and delete a command or copy it to the command window. Figure 18 Managing a command Clear a command. You can also press F10 to clear the command in the command window.
If you delete an instance running out of storage, it will not be moved to the recycle bin. Parent Topic: Service Overview
Value options: SELECT DELETE SHOW DROP CREATE ALTER node_id No String Node ID. If this parameter is left blank, all nodes in the instance can be queried.
If you delete an instance running out of storage, it will not be moved to the recycle bin. For details about other development and O&M specifications that can effectively evaluate and improve service system stability, see Database Constraints. Parent Topic: Service Overview
If you delete an instance running out of storage, it will not be moved to the recycle bin. Parent Topic: Service Overview
Delete any unnecessary indexes and create any necessary indexes before migration. If you choose to migrate a sharded cluster, you must create a set of shards in the destination database and configure sharding. In addition, indexes must be created before migration.
If you delete an instance running out of storage, it will not be moved to the recycle bin. For details about other development and O&M specifications that can effectively evaluate and improve service system stability, see Development and O&M Rules. Parent Topic: Service Overview
