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On this page
  • Description
  • Sample Source Patterns
  • XMLType in Create Table
  • Insert data in the XML column
  • Known Issues
  • Related EWIs
  1. Translation Reference
  2. Oracle
  3. Basic Elements of Oracle SQL
  4. Data Types
  5. XML Types

XMLType

PreviousXML TypesNextURI Data Types

Last updated 1 year ago

Description

This Oracle-supplied type can be used to store and query XML data in the database. XMLType has member functions you can use to access, extract, and query the XML data using XPath expressions. ()

Snowflake handles semi-structured data types (including XMLTYPE) using the VARIANT data type, for this reason, XMLTYPEs are to be migrated to VARIANT, and then usages of functions used to manipulate and query XML must be migrated to Snowflake's counterparts. For more information on how to use XML in Snowflake, please refer to in the Snowflake forum and the function documentation in Snowflake.

XMLTYPE

Sample Source Patterns

XMLType in Create Table

Oracle

IN -> Oracle_01.sql
CREATE TABLE xml_table(
    xml_column XMLTYPE
);

Snowflake

OUT -> Oracle_01.sql
CREATE OR REPLACE TABLE xml_table (
        xml_column VARIANT !!!RESOLVE EWI!!! /*** SSC-EWI-0036 - XMLTYPE DATA TYPE CONVERTED TO VARIANT ***/!!!
    )
    COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},{"attributes":{"component":"oracle"}}'
    ;

Insert data in the XML column

Oracle

IN -> Oracle_02.sql
INSERT INTO xml_table VALUES(
    XMLType(
'<?xml version="1.0"?>  
<note>  
  <to>SnowConvert</to>  
  <from>Oracle</from>  
  <heading>Greeting</heading>  
  <body>Hello there!</body>  
</note>')
);

Snowflake

OUT -> Oracle_02.sql
INSERT INTO xml_table
VALUES(
!!!RESOLVE EWI!!! /*** SSC-EWI-OR0016 - FUNCTION RELATED WITH XML NOT SUPPORTED ***/!!!
    XMLType(
'<?xml version="1.0"?>  
<note>  
  <to>SnowConvert</to>  
  <from>Oracle</from>  
  <heading>Greeting</heading>  
  <body>Hello there!</body>  
</note>')
);

Known Issues

1. XMLType manipulation and query functions are not recognized

The functions for manipulating and querying XML such as XMLTYPE() are not being recognized nor transformed by SnowConvert.

Related EWIs

XMLTYPE DATA TYPE CONVERTED TO VARIANT

Oracle SQL Language Reference XML Data Type
this post
TO_XML
SSC-EWI-0036: