您可以查看 Data Mover 命令行界面中所有可用命令的列表和简短说明，并显示这些命令的基本语法结构。
您还可以指定命令名称以查看有关该命令的更详细信息，包括语法示例以及与该命令关联的参数的列表和针对每个参数的说明。
- 在命令行中键入 datamove --help，并执行以下操作之一：
选项 说明 查看所有命令 - 按 Enter 键可查看所有命令的列表和简短说明。
查看特定命令 - 添加特定命令名称以查看有关特定命令的信息，包括其参数的列表。
- 按 Enter 键。
例如，要了解有关 create 命令的信息，请键入 datamove --help create 并按 Enter 键。将显示以下内容：
Data Mover Command Line 16.20.12.00 Connected to Daemon version 16.20.12.00 NAME: create - Create Command DESCRIPTION: Creates a job on the DM Daemon based on the information from the arguments and the parameter file EXAMPLE: datamove create -job_name job1 -f parameters.xml Parameters: Parameter Example Description job_name job1 (optional)Name for the job, must be unique. Generated if unspecified job_priority MEDIUM (optional)Execution priority for job. HIGH/MEDIUM/LOW. Default is MEDIUM. source_tdpid Checks Source Teradata database source_user TD_API_user (optional)Source Teradata logon id source_password 123456789 (optional)Source Teradata logon password source_logon_mechanism NTLM (optional)Mechanism to use when logging onto source system source_logon_mechanism_data joe@domain1 (optional)Additional parameters for the logon mechanism being used source_account_id account_id (optional)Source Teradata logon account ID target_tdpid Leo Target Teradata database target_user TD_API_user (optional)Target Teradata logon id target_password 123456789 (optional)Target Teradata logon password target_logon_mechanism NTLM (optional)Mechanism to use when logging onto target system target_logon_mechanism_data joe@domain1 (optional)Additional parameters for the logon mechanism being used target_account_id account_id (optional)Target Teradata logon account ID data_streams 4 (optional)Number of data streams to use source_sessions 4 (optional)Number of session on the source target_sessions 4 (optional)Number of session on the target max_agents_per_task 4 (optional)Max number of agents to use in parallel for each table/database/journal being moved overwrite_existing_objects true (optional)Overwrites objects that already exist on the target force_utility arc (optional)Force DM to use a specific utility for all DM operations log_level 2 (optional)Log level to output a log file online_archive true (optional)Allows read/write access to the source tables while the tables are being copied table DB1.TABLE (optional)Table to be copied response_timeout 60 (optional)Amount of time to wait for Daemon response in seconds uowid uowid (optional) Unit of work id to identify the job execution. security_username dmcl_admin (optional) User ID of the super user. Only used if security management is enabled. security_password 53cUr17y (optional) Password for the super user. Only used if security management is enabled. security_password_encrypted 052c7aabd1.. (optional) Encrypted password for the super user. Only used if security management is enabled. query_band AppName=B; (optional) QueryBand passed to the Database as a list of name=value pairs in a string. source_hadoop_webhcat_url http://sdll9119.labs.teradata.com:50111 (required) source hadoop system webcat url. source_hadoop_oozie_url http://tdh021m1.labs.teradata.com:11000 (required) source hadoop system oozie url. source_hadoop_file_system_url http://tdh021m2.labs.teradata.com:50070 (optional) source hadoop system file system url. source_hive_user hive (required) hadoop hive user. source_hive_password hive (required) hive user password. source_hive_password_encrypted (optional) encrypted source hadoop system password. source_hadoop_logon_mechanism kerberos (optional) source hadoop system security logon mechanism. target_hadoop_webhcat_url http://sdll9119.labs.teradata.com:50111 (required) target hadoop system webcat url. target_hadoop_oozie_url http://tdh021m1.labs.teradata.com:11000 (required) target hadoop system oozie url. target_hadoop_file_system_url http://tdh021m2.labs.teradata.com:50070 (optional) target hadoop system file system url. target_hive_user hive (required) target hadoop hive user. target_hive_password hive (optional) target hadoop system user password. target_hive_password_encrypted (optional) encrypted target hadoop system password. target_hadoop_logon_mechanism kerberos (optional) target hadoop system security logon mechanism. hadoop_file_option rc (optional) hadoop file transfer type. hadoop_file_delimiter (optional) hadoop record delimiter. hadoop_transfer_method batch_insert (optional) hadoop transfer method. hadoop_transfer_batch_size 10 (optional) hadoop batch transfer size. hadoop_number_mappers 1 (optional) number of hadoop mappers. source_aster_system_name 10.25.32.100 (required) source aster system name. source_aster_port 2406 (optional) port number for source aster system. source_aster_user_name beehive (required) source aster system user name. source_aster_user_password beehive (optional) source aster system user password. source_aster_user_password_encrypted (optional) source system encrypted user password. target_aster_system_name 10.25.32.100 (required) target aster system name. target_aster_port 2406 (optional) port number for target aster system. target_aster_user_name beehive (required) target aster system user name. target_aster_user_password beehive (optional) target aster system user password. target_aster_user_password_encrypted (optional) target system encrypted user password. aster_query_timeout 60 (optional) aster query timeout duration. aster_preserve_column_case no (optional) aster need to preserve column case. aster_skip_error_records no (optional) aster needs to skip error records. netrace 21 (optional) cli netrace parameter value. netrace_buf_len 0 (optional) cli netrace_buf_len parameter value. tpt_debug 1 (optional) tptapi trace debug parameter value. additional_arc_parameters VBMASK=15 (optional) Specifies the additional ARC parameters that will be appended when executing each ARC task. source_staging_database db1 (optional) source staging database name target_staging_database db1 (optional) target staging database name target_database db1 (optional) target database name db_client_encryption true (optional) set if job need to encrypted during data transfer.