Page History

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• Transaction Isolation Level: Support for setting Transaction Isolation Level - TRANSACTION_NONE - A constant indicating that transactions are not supported.
  - TRANSACTION_READ_COMMITTED - A constant indicating that dirty reads are prevented; non-repeatable reads and phantom reads can occur.
  - TRANSACTION_READ_UNCOMMITTED - A constant indicating that dirty reads, non-repeatable reads, and phantom reads can occur.
  - TRANSACTION_REPEATABLE_READ - A constant indicating that dirty reads and non-repeatable reads are prevented; phantom reads can occur.
  - TRANSACTION_SERIALIZABLE - A constant indicating that dirty reads, non-repeatable reads, and phantom reads are prevented.
• JDBC Escape Processing: Allows JDBC driver to perform escape sequence before sending the SQL code to the server.
• Display System Folders: Allows to show/hide System Tables in Tables.
• Always Display Column Name in Results: Allows to show/hide column names in query results.
• Enable DB Filters for Query Window: Enables/Disables db filters for query windows using this connection.
• Only Display Databases that User has Access to: Displays only the databases the current user (from the Login Name on the General tab) has access to within the schema browser.
• Fetch Size: Determines the Fetch Size (number of rows physically retrieved from the database at one time by the JDBC driver).
• Connections Pooled: Enables connection pooling. Read more about connection pooling here.
• Force Auto-Commit: When this option is selected, it sets auto-commit to TRUE for any Query Window to this server and disables the icons on the toolbar.
• List of Additional Project IDs: Specify the project ID of shared datasets.
• Destination Table - Project ID: Specify the project ID for destination table.
• Destination Table - Dataset ID: Specify the dataset ID for destination table.
• Destination Table - Table ID: Specify the table ID which should work as a destination table.

• Destination Table - Write Preference: Specify the write preference on the resultant table.
  - Write if empty - Writes the data if the table already exists and contains data otherwise returns an error.
  - Append to table - Appends the data to the table if the table already exists. 
  - Overwrite table - Overwrites the data to the table if the table already exists. 

• Destination Table - Results Size - Allow Large Results: Allows you to create large result tables randomly for the selected destination table. 

• Destination Table - Results Size - Flatten Results: Allows you to flatten all nested and repeated fields in the single query results.

• Query Caching - Use Cached Results: Allows you to use results from a previously executed query as long as the referenced tables are not modified. You can cache results for approximately 24 hours. The results of the executed query will not be cached if the destination table is selected.  
• SQL Version - Use Legacy SQL: Allows you to run the query using Legacy SQL.
• Data Warehouse Mode: Read Only or Read/Write.
• Data Warehouse "Read Only" Warning Message: Allows you to set a customized warning message when "Read Only" mode is selected.
• Object Folder Display: [Default], [Name], [Schema].[Name] or [Name]([Schema]) sets how the Schemas will be displayed.
• Dataset Folder Grouping: Default, Yes or No. Dataset Folder Grouping makes finding tables much easier because it groups them instead of showing each object individually.

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For more information, see Connection Monitor.