Skip to Main Content
Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Calls

PROCEDURE DBMS_XMLGEN.newContext (query IN VARCHAR2 | SYS_REFCURSOR) RETURN ctxHandle;

Generates a context handle ctxHandle from either a query sting or a PL/SQL reference cursor.

PROCEDURE DBMS_XMLGEN.setRowTag (ctx IN ctxHandle, rowTag IN VARCHAR2);

Sets the name of the element separating the rows to rowTag in ctx.

PROCEDURE DBMS_XMLGEN.setRowSetTag (ctx IN ctxHandle, rowSetTag IN VARCHAR2);

Sets the name of the root element for the document ctx to rowSetTag.

FUNCTION DBMS_XMLGEN.getXML[Type] ({ctx IN ctxHandle | sqlQuery IN VARCHAR2}, [clobval IN OUT NCOPY clob,] dtdOrSchema IN NUMBER := NONE) RETURN {BOOLEAN | CLOB | SYS.XMLType};

This function has five forms:

  • Using ctx for the query and clobval, which appends rows to clobval

  • Using ctx and returning the XML document as a CLOB

  • Using sqlQuery to send the query string and returning a CLOB

  • Using ctx and returning the XML document as SYS.XMLType, which uses the call getXMLType

  • Using sqlQuery and returning the XML document as SYS.XMLType, which uses the call getXMLType

All forms use dtdOrSchema, which supports only the default.

FUNCTION DBMS_XMLGEN.getNumRowsProcessed (ctx IN ctxHandle) RETURN NUMBER;

Returns the number of rows in XML document ctx.

PROCEDURE DBMS_XMLGEN.setMaxRows (ctx IN ctxHandle, maxRows IN NUMBER);

Sets the maximum number of rows maxRows to fetch for each invocation getXML call for XML document ctx.

PROCEDURE DBMS_XMLGEN.setSkipRows (ctx IN ctxHandle, skipRows IN NUMBER);

Sets the number of rows to skip (skipRows ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Oracle Internals

Oracle Internals

Donald K. Burleson
Oracle PL/SQL

Oracle PL/SQL

Lewis Cunningham
Oracle Essentials: Oracle9i, Oracle8i and Oracle8, Second Edition

Oracle Essentials: Oracle9i, Oracle8i and Oracle8, Second Edition

Rick Greenwald, Robert Stackowiak, Jonathan Stern

Publisher Resources

ISBN: 0596003366Errata Page