Help Center/ GaussDB(DWS)/ More Documents/ Tool Guide (ME-Abu Dhabi Region) / DSC: SQL Syntax Migration Tool/ DB2 Syntax Migration/ Index
Updated on 2022-06-13 GMT+08:00
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Index

Reverse Scans

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*/;

Schema

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);
Parent topic: DB2 Syntax Migration