Here is the error that I am getting after upgrade.

Exception while upgrading database schema. com.novell.zenworks.systemupdate.exceptions.System UpdateException: Unable to update database schema at com.novell.zenworks.systemupdate.v_11_2_0.PreGloba lAction.execute(PreGlobalAction.java:166) at com.novell.zenworks.configure.actions.ExecutePreGl obalConfigureAction.configure(ExecutePreGlobalConf igureAction.java:134) at com.novell.zenworks.configure.actions.ExecutePreGl obalConfigureAction.main(ExecutePreGlobalConfigure Action.java:161) Caused by: com.novell.zenworks.datamodel.exceptions.InternalD ataModelException: Error executing SQL: ALTER TABLE zZENServerSchedule DELETE FOREIGN KEY fk_zZENServerSchedul_ZENServer; alter table zZENServerSchedule modify ZENServer binary(16) not null; at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQLStatements(SQLExecutor.java :151) at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQLStatements(SQLExecutor.java :84) at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQL(SQLExecutor.java:71) at com.novell.zenworks.systemupdate.v_11_2_0.PreGloba lAction.execute(PreGlobalAction.java:133) ... 2 more Caused by: java.sql.SQLException: [Sybase][JDBC Driver][SQL Anywhere]Foreign key name 'fk_zZENServerSchedul_ZENServer' not found at sybase.jdbc4.sqlanywhere.IIStatement.nativeExecute Update(Native Method) at sybase.jdbc4.sqlanywhere.IIStatement.executeUpdate (IStatement.java:545) at sybase.jdbc4.sqlanywhere.IStatement.executeUpdate( IStatement.java:294) at com.mchange.v2.c3p0.impl.NewProxyStatement.execute Update(NewProxyStatement.java:64) at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQLStatements(SQLExecutor.java :120) ... 5 more
ERROR 06/05/2012 11:04:28 Exception while upgrading database schema. com.novell.zenworks.systemupdate.exceptions.System UpdateException: Unable to update database schema at com.novell.zenworks.systemupdate.v_11_2_0.PreGloba lAction.execute(PreGlobalAction.java:166) at com.novell.zenworks.configure.actions.ExecutePreGl obalConfigureAction.configure(ExecutePreGlobalConf igureAction.java:134) at com.novell.zenworks.configure.actions.ExecutePreGl obalConfigureAction.main(ExecutePreGlobalConfigure Action.java:161) Caused by: com.novell.zenworks.datamodel.exceptions.InternalD ataModelException: Error executing SQL: ALTER TABLE zZENServerSchedule DELETE FOREIGN KEY fk_zZENServerSchedul_ZENServer; alter table zZENServerSchedule modify ZENServer binary(16) not null; at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQLStatements(SQLExecutor.java :151) at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQLStatements(SQLExecutor.java :84) at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQL(SQLExecutor.java:71) at com.novell.zenworks.systemupdate.v_11_2_0.PreGloba lAction.execute(PreGlobalAction.java:133) ... 2 more Caused by: java.sql.SQLException: [Sybase][JDBC Driver][SQL Anywhere]Foreign key name 'fk_zZENServerSchedul_ZENServer' not found at sybase.jdbc4.sqlanywhere.IIStatement.nativeExecute Update(Native Method) at sybase.jdbc4.sqlanywhere.IIStatement.executeUpdate (IStatement.java:545) at sybase.jdbc4.sqlanywhere.IStatement.executeUpdate( IStatement.java:294) at com.mchange.v2.c3p0.impl.NewProxyStatement.execute Update(NewProxyStatement.java:64) at com.novell.zenworks.systemupdate.v_11_2_0.database .SQLExecutor.executeSQLStatements(SQLExecutor.java :120) ... 5 more