imap migration tool

(): op.drop_table (' users ')Perform:Alembic Upgrade Headcommand to upgrade the database and view the corresponding database, you can see that there is one more users table in the database.Looking at the files in the versions directory, you will find a more py file. Can be performed in the directory where Flask application is located:Alembic current to see which version of the database is currently in place, or you can use Alembic history to view a historical record of database changes.If yo

fast access to data that is different from JDBC and can be used by--direct.sqoop Work Flow1. Read the table structure to import the data, generate the run class, default is QueryResult, hit the jar package, and then submit it to Hadoop2. Set up the job, the main is to set the various parameters3. This is where Hadoop executes the MapReduce to execute the import command,1) The first thing to do is to slice the data, i.e. DatasplitDatadrivendbinputformat.getsplits (Jobcontext Job)2) After splitti

Introduction Clonezilla is a good system cloning tool, which is capable of absorbing the advantages of Norton Ghost and partition image. That is, not only the whole system can be cloned, but also a single partition can be cloned. This flexibility may be more suitable for the needs of the backup. If you have any requirements, please pay attention to the functions of clonezilla: The file systems supported by GNU/Linux include: ext2, ext3, reis

Plugin Name: Akeeba BackupOperating platform: JoomlaPlugin Features: Joomla website backup, website migrationPlugin Features: Site One-click Backup, scheduled backup, backup file managementPlugin use: Joomla management Interface--component--akeeba Backup650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M01/83/61/wKioL1dx7Suxe6o7AABl1QrVLRM382.png-wh_500x0-wm_3 -wmp_4-s_1991398698.png "title=" 1.png "alt=" Wkiol1dx7suxe6o7aabl1qrvlrm382.png-wh_50 "/> One-click Backup (Default ba