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Deleting a Table Function Delete a table using the deleteTable method of org.apache.hadoop.hbase.client.Admin.
Add new fields to the new table, delete unnecessary fields, or change field types. Specify fields and insert them to the newly created table.
to delete multiple partitions. alter table $tableName drop partition (dt='2021-10-*') // Delete the partition of October.
Doris Data Import Suggestions Do not frequently perform the update, delete, or truncate operation. Perform an operation every several minutes. To use the delete operation, you must set the partitioning condition or primary key column.
Constraints N/A Value range N/A Default value N/A Response Parameters None Example Request Delete jobs in batches.
For complete codes, see the HdfsMain class in com.huawei.bigdata.hdfs.examples. /** * Delete a file.
This function does not delete the checkpoints directory of the HDFS service. You need to manually delete it. Parent topic: Managing FlinkServer Jobs
//Access the FusionInsight Manager interface to delete users.
Use the FileSystem instance to read, add, and delete various resources. The appending operation is not supported. Prerequisites Before interconnecting with OBS, create related directories in OBS, and ensure you have the permission to access and operate the the directories.
To solve this problem, connect the client to the leader instance and delete the instance. To delete the leader node, view the IP address of the node where the leader resides by referring to How Do I Check Which ZooKeeper Instance Is a Leader?
To solve this problem, connect the client to the leader instance and delete the instance. To delete the leader node, view the IP address of the node where the leader resides by referring to How Do I Check Which ZooKeeper Instance Is a Leader?
Hudi Hudi is a data lake table format that provides the ability to update and delete data as well as consume new data on HDFS.
In the Delete Tenant dialog box, enter DELETE in the confirmation text box. Click OK. It takes a few minutes to save the configuration. After the tenant is deleted successfully, the role and storage space of the tenant are also deleted.
Using the BulkDelete Interface Scenario You can use the HBaseContext method to use HBase in Spark applications, construct rowkey of the data to be deleted into RDDs, and delete the data corresponding to the rowkey in HBase tables through the BulkDelete interface of HBaseContext.
Using the BulkDelete API Overview You can use the HBaseContext method to use HBase in Spark applications, construct rowkey of the data to be deleted into RDDs, and delete the data corresponding to the rowkey in HBase tables through the BulkDelete API of HBaseContext.
DROP COLUMN command is used to delete a column. Syntax ALTER TABLE tableName DROP COLUMN|COLUMNS cols Parameter Description Table 1 DROP COLUMN parameters Parameter Description tableName Table name. cols Columns to be deleted. You can specify multiple columns.
Perform operations on the HBase in HBaseContext mode and delete the data corresponding to the rowkey in HBase tables through the BulkDelete interface of HBaseContext.
Perform operations on the HBase in HBaseContext mode and delete the data corresponding to the rowkey in HBase tables through the BulkDelete API of HBaseContext.
The value can be delete only. Constraints N/A Value range delete: Delete a tag. Default value N/A tags Yes Array of tag objects Explanation The tag list. For details about the parameter, see Table 3.
Scenario Delete old data from Hudi tables to reduce space occupation and save storage costs. Running delete/drop partition The delete/drop partition command can be used to delete historical data. For details, see Hudi SQL Syntax Reference.
