Help Center/ GaussDB(DWS)/ Tool Guide/ DSC/ Oracle Syntax Migration/ COMPRESS Phrase
Updated on 2024-12-09 GMT+08:00
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COMPRESS Phrase

This function is used to comment out the COMPRESS phrase by default during the migration.

Input – COMPRESS Phrase

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CREATE TABLE test_tab (
  id            NUMBER(10)    NOT NULL,
  description   VARCHAR2(100) NOT NULL,
  created_date  DATE          NOT NULL,
  created_by    VARCHAR2(50)  NOT NULL,
  updated_date  DATE,
  updated_by    VARCHAR2(50)
)
NOCOMPRESS
PARTITION BY RANGE (created_date) (
  PARTITION test_tab_q1 VALUES LESS THAN (TO_DATE('01/04/2003', 'DD/MM/YYYY')) COMPRESS,
  PARTITION test_tab_q2 VALUES LESS THAN (MAXVALUE)
);

Output

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CREATE
     TABLE
          test_tab (
               id NUMBER (10) NOT NULL
               ,description VARCHAR2 (100) NOT NULL
               ,created_date DATE NOT NULL
               ,created_by VARCHAR2 (50) NOT NULL
               ,updated_date DATE
               ,updated_by VARCHAR2 (50)
          ) /*NOCOMPRESS*/
          PARTITION BY RANGE (created_date) (
               PARTITION test_tab_q1
               VALUES LESS THAN (
                    TO_DATE( '01/04/2003' ,'DD/MM/YYYY' )
               ) /*COMPRESS*/
               ,PARTITION test_tab_q2
               VALUES LESS THAN (MAXVALUE)
) ;
Parent topic: Oracle Syntax Migration