What difference does make if I don't use the XMLTYPE expressed during insertion?

Using the table
CREATE TABLE flower_data(flower_id NUMBER(3), flower_xml XMLTYPE)

  XMLTYPE COLUMN flower_xml STORE AS BINARY XML;
Does make a difference if I insert the data without the casting, XMLTYPE in the insert statement?

For example if I use:
INSERT INTO flower_data (flower_id, flower_xml) VALUES

(1,' <flower>

   <name>lavender</name>

   <color>lilac</color>

   <lower-zone>9</lower-zone>

   <higher-zone>11</higher-zone>

 </flower>'

);
instead of*.
INSERT INTO flower_data (flower_id, flower_xml) VALUES

(1, XMLTYPE('<flower>

   <name>lavender</name>

   <color>lilac</color>

   <lower-zone>9</lower-zone>

   <higher-zone>11</higher-zone>

 </flower>')

);
Both versions work.

Thank you.

The implicit conversion is more expensive that the cast explicit.

Consider the following:

CREATE TABLE t (testcol NUMBER);

INSERT INTO t VALUES ('1');

Can you? Yes
Should you? NO.

Tags: Database

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