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faq:migration-toolkit:optimize-migration-process-large-tables [2019/07/25 11:18]
darya.prikhodkina
faq:migration-toolkit:optimize-migration-process-large-tables [2019/07/25 11:25]
darya.prikhodkina
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 {{:​faq:​migration-toolkit/​data_options.png|}}\\ {{:​faq:​migration-toolkit/​data_options.png|}}\\
  
-Please also note that you should uncheck “Generate DDL” option for processes other than the first one to avoid error of table existence. In this case only data will be migrated.+Please also note that you should uncheck “Generate DDL” option for the processes other than the first one in order to avoid the error of table existence. In this case only data will be migrated.
  
 {{:​faq:​migration-toolkit/​ddl_options.png|}}\\ {{:​faq:​migration-toolkit/​ddl_options.png|}}\\
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 You can export data according to unique index or primary key or any other query condition. To perform this in SQLWays Wizard please select “Use Query” in combo-box shown below. ​ You can export data according to unique index or primary key or any other query condition. To perform this in SQLWays Wizard please select “Use Query” in combo-box shown below. ​
 Using this option you can write your own query to select data. DDL statement will be generated according to the selected columns. ​ Using this option you can write your own query to select data. DDL statement will be generated according to the selected columns. ​
-Table name will be the same as in FROM clause. But we advise you to create empty tables first and then to perform the migration of data this way.  +Table name will be the same as in FROM clause. But we advise you to create empty tables first and then to perform the migration of data.  
-You’ll get errors when trying to create a table but data will be loaded ​fine.+You’ll get errors when trying to create a table but data will be loaded ​correctly.
  
 {{:​faq:​migration-toolkit/​use_queries.png|}}\\ {{:​faq:​migration-toolkit/​use_queries.png|}}\\