Using Native or Direct Database Connections

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Using a native or direct database connection you can reverse engineer all the database objects supported by a specific platform. To connect to these databases you must first install the corresponding DBMS client utility software available from your database vendor, in the cases it is needed.

The following table lists the databases platform you can connect to using native or direct connections and the RDMBS client utility, when required.

Notepad blue icon 2.pngNote: For SQL Server using TLS 1.2, the ER/Studio Data Architect client machine requires installation of the latest SQL Server native client driver.

Database Platform Required RDBMS Client Utility Software
IBM DB2 for z/OS IBM DB2 Connect
IBM DB2 for LUW Corresponding version of IBM DB2 Client Utilities
IBM DB2 for AS/400 V4R5 and V5R2 Corresponding version of IBM DB2 Client Utilities
Microsoft SQL Server Corresponding version of SQL Server Client Access
Oracle Corresponding version of Oracle Client Utilities
Sybase ASE Sybase Client Utilities 11.9 or later
Azure SQL DB No client utility required
Hive (on IBM BigSQL, Hortonworks, Cloudera) No client utility required
MongoDB No client utility required

Provide to your ER/Studio Data Architect users the data source connection strings required for your databases so they can enter them in the Data Source fields of the Reverse Engineer, DDL Generation or Compare and Merge wizards.

Database Required Data Source Connection String
IBM DB2 for z/OS Use the server name / IP
IBM DB2 for LUW Use the ODBC data source you have specified in the ODBC Data Source Administrator.
MS SQL Server Use the server name / IP
Oracle Use the SQL*Net connection string or an alias if you have defined one in:
  • Oracle SQL*Net Easy Config
  • Oracle Net8 Easy Config
  • Oracle Net8 Configuration Assistant
Sybase ASE Use the server name / IP
Azure SQL DB Use the server name / IP
Hive Use the server name / IP
MongoDB Use the server name / IP

See Also