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SAP GUI Logon Error Message: SAP System Message N

Solution to SAP GUI Login error: SAP System Message N. If someone changed the SAN volume name you will need to restart the system. Check here for more details. Sometimes restating the SAPMMC solves the issue.

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Oracle: SQL query to Select Column Names From the Table

Check here how to retrieve column names on Oracle database: Select column_name from user_ta.....

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Solution for ABAP Runtime Error: DBIF_RSQL_INVALID_REQUEST

If you have an ABAP runtime error DBIF_RSQL_INVALID_REQUEST on your SAP system, check here the solution. For windows you will need the loopback adapter and in linux you will need to verify the /etc/hosts file.