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The following options are available: Optionĭefines a number of threads to be used for data transfer. Step 4: Define export settingsĭata export settings are grouped into Extraction settings and Data load settings.Įxtraction settings define how the data will be pulled from the source. Releases the list of source table columns.Ĭonfigure data mapping and press Next. The following keyboard shortcuts for easy navigation within the mapping table area of Table mapping screen are supported: Shortcut If you want to see a preview of the imported data, you can select the Preview data button You can also view the SQL script that will be run on data transfer by pressing the Target DDL button. To change the mapping type, click a cell in the Mapping column of Table mapping dialog box and select the required mapping type. Mapping - this column contains the list of actions to be applied to the data on data transfer. To set a data type for a column in a target table, click the cell in the Target Type column and select one from the dropdown list of data types supported on the target. IMPORTANT: Sometimes data types that are supported on the source database are not supported on the target or vice versa. Target type - this column contains the list of data types that will be assigned to the columns in the target table. To change the name, click the cell and enter a new name. Target column - this column contains names of target table columns where the data from the source column will be transferred to.Source type - this column contains the list of data types assigned to the columns in the selected source table.Source column -this column contains names of columns existing in the selected source table.The following elements are available here: You can also define the names of target columns, as well as their data types, by clicking a row with a table name and pressing the Columns button If you want tables of the target container to be named like those of source, press the Auto assign button and the Target column will be automatically populated. To define the mapping setting for a column in a target table, release the list of source table columns by pressing next to the table's name in the Source column, then click the name of the target column and enter a new one or select one from the dropdown list. Or select a table from the existing tables in the target container by pressing the Browse button You can also choose a name for a target table from the drop-down list. You can define a target table by clicking on a cell in the Target column and entering its name, or press the New button and enter a new name in the opened dialog box. You can use basic arithmetic operations and column names to construct an expression. This transformer uses expressions (namely, JEXL expressions) to calculate the cell's value. All values in the corresponding column will be set to the specified constant. All values in the corresponding column will be set to null. To do that, define column transformers by clicking on corresponding cells in the Transform column. You may also want to transform the values of some columns during the transfer. If the cells are marked with, it means that in the target table there are no columns with matching names, otherwise the names will be filled in automatically. Unassigned - this value is set by default when there is no target defined. Skip - the source data will not be transferred to the target container.Įxisting - the source data will be transferred to the table that already exists in the target container. The following options are available:Ĭreate- the source data will be populated into a newly created table or column of the target container. Mapping - contains the list of actions to be applied to the source data on data transfer. Target - contains names of the tables where the data will be transferred to. You can also see the list of columns existing in the source table by pressing Source - contains names of all the tables selected at step 1. Target container - defines a database or a scheme where the data will be transferred to.In the opened dialog box choose Database type as the data transfer target and press Next.įor proper table mapping, the following options are available: For that, choose "Export results" in the results context menu). (Note: you also can export data from the custom SQL queries results. In the context menu choose "Export Data". In the Database Navigator select one or more tables you want to export. To perform a data transfer, please, follow the steps below. Connecting to Oracle Database using JDBC OCI driverĭBeaver supports data migration of tables from one database to tables of another one.Installing extensions - Themes, version control, etc.