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XMLType → This Oracle-supplied type can be used to store and query XML data in the database. XMLType has … is another standard developed by the W3C committee to traverse XML documents. Oracle XMLType … packages to create XMLType values from existing relational or object-relational data. XMLType is a system … column. You
XMLType Datatype → XMLTy pe Datatype XMLType can be used like any other user-defined type. XMLType can be used as the … datatype of columns in tables and views. Variables of XMLType can be used in PL/SQL stored … procedures as parameters, return values, and so on. You can also use XMLType in PL/SQL, SQL and Java, and … of these
XMLTYPE → XMLType constructor. The options are described in the following table. Syntax Description … constructor function XMLType( xmlData IN clob, schema IN varchar2:= NULL, validated IN number:= 0 … creates an optionally schema-based XMLType instance using the specified schema and xml data parameters … . constructor function
EXTRACT → Member function. Extracts an XMLType fragment and returns an XMLType instance containing the result … XMLType deterministic; Given an XPath expression, applies the XPath to the document and returns the … fragment as an XMLType. MEMBER FUNCTION extract( xpath IN varchar2, nsmap IN varchar2) RETURN … XMLType
GETNAMESPACE → Member function. Returns the namespace of the top level element in the instance. Returns NULL if the input is a fragment or is a non-schema based instance. Syntax MEMBER FUNCTION getNamespace return varchar2 deterministic;
GETROOTELEMENT → Member function. Gets the root element of the XMLType instance. Returns NULL if the instance is a
TOOBJECT → inside Oracle XML DB Developer's Guide Syntax MEMBER PROCEDURE toObject( SELF in XMLType, object … . The mapping of the XMLType instance to the converted object instance may be specified using a
ISSCHEMAVALID → is schema based, the conformance is checked against the XMLType instance's own schema. Syntax
239 XMLTYPE → XMLType is a system-defined opaque type for handling XML data. It as predefined member functions on … it to extract XML nodes and fragments. You can create columns of XMLType and insert XML documents … into it. You can also generate XML documents as XMLType instances dynamically using the SYS_XMLGEN … and SYS_XMLAGG SQL functions.
CREATESCHEMABASEDXML → Member function. Creates a schema based XMLType instance from a non-schema based XMLType value. It … FUNCTION createSchemaBasedXML( schema IN varchar2:= NULL) return XMLType deterministic; Parameter
CREATEXML → Static function for creating and returning an XMLType instance. The string and clob parameters used … XMLType deterministic; Creates the XMLType instance from a string. STATIC FUNCTION createXML … ( xmlData IN clob) RETURN XMLType deterministic; Creates the XMLType instance from a CLOB. STATIC FUNCTION
GETBLOBVAL → Member function. Returns a BLOB containing the serialized XML representation; if the returns is a temporary BLOB, then it must be freed after use. Syntax MEMBER FUNCTION getBlobVal() RETURN Blob deterministic;
GETCLOBVAL → Member function. Returns a CLOB containing the serialized XML representation; if the returns is a temporary CLOB, then it must be freed after use. Syntax MEMBER FUNCTION getClobVal() RETURN clob deterministic;
GETSTRINGVAL → Member function. Returns the document as a string. Returns s string containing the seralized XML representation, or in case of text nodes, the text itself. If the XML document is bigger than the maximum size of the VARCHAR2, which is 4000, then an error is raised at run time. Syntax MEMBER FUNCTION getStringVal() RETURN varchar2 deterministic;
ISFRAGMENT → Determines if the XMLType instance corresponds to a well-formed document, or a fragment. Returns 1 … or 0 indicating if the XMLType instance contains a fragment or a well-formed document. Syntax MEMBER FUNCTION isFragment() RETURN number deterministic;
CREATENONSCHEMABASEDXML → MEMBER FUNCTION CREATENONSCHEMABASEDXML return XMLType deterministic;
ISSCHEMAVALIDATED → Member function. Returns the validation status of the XMLType instance -- tells if a schema based
GETNUMBERVAL → Member function. Returns a numeric value, formatted from the text value pointed to by the XMLType … instance. The XMLType must point to a valid text node that contains a numerical value. The options
TRANSFORM → the parammap is NULL, then a NULL is returned. Syntax MEMBER FUNCTION transform( xsl IN XMLType … , parammap in varchar2:= NULL) RETURN XMLType deterministic; Parameter IN / OUT Description xsl (IN
Summary of XMLType Subprograms → Table 239-1 summarizes functions and procedures of the XMLType. Table 239-1 XMLTYPE Subprograms … instance. CREATESCHEMABASEDXML Creates a schema based XMLType instance from the non-schema based … instance using the input schema URL. CREATEXML Static function for creating and returning an XMLType … instance. EXISTSNODE