DB2 Syntax	Syntax After Migration
CREATE INDEX IDX_1 ON EMP (ID ASC) ALLOW REVERSE SCANS; CREATE INDEX IDX_1 ON EMP (ID ASC) DISALLOW REVERSE SCANS;	CREATE INDEX IDX_1 ON EMP (ID ASC) /ALLOW REVERSE SCANS/; CREATE INDEX IDX_1 ON EMP (ID ASC) /DISALLOW REVERSE SCANS/;

DB2 Syntax

Syntax After Migration

CREATE INDEX IDX_1 ON EMP  
   (ID ASC) ALLOW REVERSE SCANS; 
 CREATE INDEX IDX_1 ON EMP  
   (ID ASC) DISALLOW REVERSE SCANS;

CREATE INDEX IDX_1 ON EMP  
   (ID ASC) /*ALLOW REVERSE SCANS*/; 
 CREATE INDEX IDX_1 ON EMP  
   (ID ASC) /*DISALLOW REVERSE SCANS*/;

index's schema is different from its table's schema.

DB2 Syntax	Syntax After Migration
CREATE INDEX IDXSC.IDX_1 ON EMP (ID ASC);	CREATE INDEX IDX_1 ON EMP (ID ASC);

Index Migration (DB2)