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Oracle® Database Application Developer's Guide - Large Objects
10g Release 2 (10.2)

Part Number B14249-01
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A LOB Demonstration Files

This appendix describes files distributed with the database that demonstrate how LOBs are used in supported programmatic environments. This appendix contains these topics:

PL/SQL LOB Demonstration Files

The following table lists PL/SQL demonstration files. These files are installed in $ORACLE_HOME/rdbms/demo/lobs/plsql/. A driver program, lobdemo.sql, that calls these files is found in the same directory.

Table A-1 PL/SQL Demonstration Examples

File Name Description Usage Information
fclose_c.sql Closing a BFILE with CLOSE Closing a BFILE with CLOSE
fclose_f.sql Closing a BFILE with FILECLOSE Closing a BFILE with FILECLOSE
fclosea.sql Closing all open BFILEs Closing All Open BFILEs with FILECLOSEALL
fcompare.sql Comparing all or parts of two BFILEs Comparing All or Parts of Two BFILES
fcopyloc.sql Copying a LOB locator for a BFILE Assigning a BFILE Locator
fdisplay.sql Displaying BFILE data Displaying BFILE Data
fexists.sql Checking if a BFILE exists Determining Whether a BFILE Exists
ffilopen.sql Opening a BFILE with FILEOPEN Opening a BFILE with FILEOPEN
ffisopen.sql Checking if the BFILE is OPEN with FILEISOPEN Determining Whether a BFILE Is Open with FILEISOPEN
fgetdir.sql Getting the directory object name and filename of a BFILE Getting Directory Object Name and File Name of a BFILE
finsert.sql Inserting row containing a BFILE by initializing a BFILE locator Inserting a Row Containing a BFILE
fisopen.sql Checking if the BFILE is open with ISOPEN Determining Whether a BFILE Is Open Using ISOPEN
flength.sql Getting the length of a BFILE Getting the Length of a BFILE
floadlob.sql Loading a LOB with BFILE data Loading a LOB with BFILE Data
fopen.sql Opening a BFILE with OPEN Opening a BFILE with OPEN
fpattern.sql Checking if a pattern exists in a BFILE using instr Checking If a Pattern Exists in a BFILE Using INSTR
fread.sql Reading data from a BFILE Reading Data from a BFILE
freadprt.sql Reading portion of a BFILE data using substr Reading a Portion of BFILE Data Using SUBSTR
fupdate.sql Updating a BFILE by initializing a BFILE locator Updating a BFILE by Initializing a BFILE Locator
lappend.sql Appending one LOB to another Appending One LOB to Another
lcompare.sql Comparing all or part of LOB Comparing All or Part of Two LOBs
lcopy.sql Copying all or part of a LOB to another LOB Copying All or Part of One LOB to Another LOB
lcopyloc.sql Copying a LOB locator Copying All or Part of One LOB to Another LOB
ldisplay.sql Displaying LOB data Displaying LOB Data
lerase.sql Erasing part of a LOB Erasing Part of a LOB
linsert.sql Inserting a row by initializing LOB locator bind variable Inserting a Row by Initializing a LOB Locator Bind Variable
linstr.sql Seeing if pattern exists in LOB (instr) Patterns: Checking for Patterns in a LOB Using INSTR
lisopen.sql Seeing if LOB is open Determining Whether a LOB is Open
listemp.sql Seeing if LOB is temporary Determining Whether a LOB instance Is Temporary
lldblobf.sql Using DBMS_LOB.LOADBLOBFROMFILE to load a BLOB with data from a BFILE Loading a BLOB with Data from a BFILE
lldclobf.sql Using DBMS_LOB.LOADCLOBFROMFILE to load a CLOB or NCLOB with data from a BFILE Loading a CLOB or NCLOB with Data from a BFILE
lldclobs.sql Using DBMS_LOB.LOADCLOBFROMFILE to load segments of a stream of data from a BFILE into different CLOBs Loading a CLOB or NCLOB with Data from a BFILE
llength.sql Getting the length of a LOB Length: Determining the Length of a LOB
lloaddat.sql Loading a LOB with BFILE data Loading a LOB with Data from a BFILE
lobuse.sql Examples of LOB API usage. Creating Persistent and Temporary LOBs in PL/SQL
lread.sql Reading data from LOB Reading Data from a LOB
lsubstr.sql Reading portion of LOB (substr) Reading a Portion of a LOB (SUBSTR)
ltrim.sql Trimming LOB data Trimming LOB Data
lwrite.sql Writing data to a LOB Writing Data to a LOB
lwriteap.sql Writing to the end of LOB (write append) Appending to a LOB

OCI LOB Demonstration Files

The following table lists OCI demonstration files. These files are installed in $ORACLE_HOME/rdbms/demo/lobs/oci/. A driver program, lobdemo.c, that calls these files is found in the same directory, as is the header file lobdemo.h.

Table A-2 OCI Demonstration Examples

File Name Description Usage Information
fclose_c.c Closing a BFILE with CLOSE Closing a BFILE with CLOSE
fclose_f.c Closing a BFILE with FILECLOSE Closing a BFILE with FILECLOSE
fclosea.c Closing all open BFILEs Closing All Open BFILEs with FILECLOSEALL
fcopyloc.c Copying a LOB locator for a BFILE Assigning a BFILE Locator
fdisplay.c Displaying BFILE data Displaying BFILE Data
fexists.c Checking if a BFILE exists Determining Whether a BFILE Exists
ffilopen.c Opening a BFILE with FILEOPEN Opening a BFILE with FILEOPEN
ffisopen.c Checking if the BFILE is OPEN with FILEISOPEN Determining Whether a BFILE Is Open with FILEISOPEN
fgetdir.c Getting the directory object name and filename of a BFILE Getting Directory Object Name and File Name of a BFILE
finsert.c Inserting row containing a BFILE by initializing a BFILE locator Inserting a Row Containing a BFILE
fisopen.c Checking if the BFILE is open with ISOPEN Determining Whether a BFILE Is Open Using ISOPEN
flength.c Getting the length of a BFILE Getting the Length of a BFILE
floadlob.c Loading a LOB with BFILE data Loading a LOB with BFILE Data
fopen.c Opening a BFILE with OPEN Opening a BFILE with OPEN
fread.c Reading data from a BFILE Reading Data from a BFILE
fupdate.c Updating a BFILE by initializing a BFILE locator Updating a BFILE by Initializing a BFILE Locator
lappend.c Appending one LOB to another Appending One LOB to Another
lcopy.c Copying all or part of a LOB to another LOB Copying All or Part of One LOB to Another LOB
lcopyloc.c Copying a LOB locator Copying All or Part of One LOB to Another LOB
ldisbuf.c Disabling LOB buffering (persistent LOBs) Disabling LOB Buffering
ldisplay.c Displaying LOB data Displaying LOB Data
lequal.c Seeing if one LOB locator is equal to another Equality: Checking If One LOB Locator Is Equal to Another
lerase.c Erasing part of a LOB Erasing Part of a LOB
lgetchar.c Getting character set id Determining Character Set ID
lgetchfm.c Getting character set form of the foreign language ad text, ad_fltextn Determining Character Set Form
linit.c Seeing if a LOB locator is initialized Determining Whether LOB Locator Is Initialized
linsert.c Inserting a row by initializing LOB locator bind variable Inserting a Row by Initializing a LOB Locator Bind Variable
lisopen.c Seeing if LOB is open Determining Whether a LOB is Open
listemp.c Seeing if LOB is temporary Determining Whether a LOB instance Is Temporary
llength.c Getting the length of a LOB Length: Determining the Length of a LOB
lloaddat.c Loading a LOB with BFILE data Loading a LOB with Data from a BFILE
lread.c Reading data from LOB Reading Data from a LOB
lreadarr.c Reading data from an array of LOB locators LOB Array Read
ltrim.c Trimming LOB data Trimming LOB Data
lwrite.c Writing data to a LOB Writing Data to a LOB
lwritearr.c Writing data into an array of LOB locators LOB Array Write
lwriteap.c Writing to the end of LOB (write append) Appending to a LOB

Visual Basic OO4O LOB Demonstration Files

The following table lists Visual Basic OO4O demonstration files. These files are installed in $ORACLE_HOME/rdbms/demo/lobs/vb/.

Table A-3 Visual Basic OO4O Demonstration Examples

File Name Description Usage Information
fclose_c.bas Closing a BFILE with CLOSE Closing a BFILE with CLOSE
fclosea.bas Closing all open BFILEs Closing All Open BFILEs with FILECLOSEALL
fcompare.bas Comparing all or parts of two BFILEs Comparing All or Parts of Two BFILES
fdisplay.bas Displaying BFILE data Displaying BFILE Data
fexists.bas Checking if a BFILE exists Determining Whether a BFILE Exists
fgetdir.bas Getting the directory object name and filename of a BFILE Getting Directory Object Name and File Name of a BFILE
finsert.bas Inserting row containing a BFILE by initializing a BFILE locator Inserting a Row Containing a BFILE
fisopen.bas Checking if the BFILE is open with ISOPEN Determining Whether a BFILE Is Open Using ISOPEN
flength.bas Getting the length of a BFILE Getting the Length of a BFILE
floadlob.bas Loading a LOB with BFILE data Loading a LOB with BFILE Data
fopen.bas Opening a BFILE with OPEN Opening a BFILE with OPEN
fread.bas Reading data from a BFILE Reading Data from a BFILE
freadprt.bas Reading portion of a BFILE data using substr Reading a Portion of BFILE Data Using SUBSTR
fupdate.bas Updating a BFILE by initializing a BFILE locator Updating a BFILE by Initializing a BFILE Locator
lappend.bas Appending one LOB to another Appending One LOB to Another
lcompare.bas Comparing all or part of LOB Comparing All or Part of Two LOBs
lcopy.bas Copying all or part of a LOB to another LOB Copying All or Part of One LOB to Another LOB
lcopyloc.bas Copying a LOB locator Copying All or Part of One LOB to Another LOB
ldisbuf.bas Disabling LOB buffering (persistent LOBs) Disabling LOB Buffering
ldisplay.bas Displaying LOB data Displaying LOB Data
lenbuf.bas Enabling LOB buffering Enabling LOB Buffering
lerase.bas Erasing part of a LOB Erasing Part of a LOB
linsert.bas Inserting a row by initializing LOB locator bind variable Inserting a Row by Initializing a LOB Locator Bind Variable
llength.bas Getting the length of a LOB Length: Determining the Length of a LOB
lloaddat.bas Loading a LOB with BFILE data Loading a LOB with Data from a BFILE
lread.bas Reading data from LOB Reading Data from a LOB
lsubstr.bas Reading portion of LOB (substr) Reading a Portion of a LOB (SUBSTR)
ltrim.bas Trimming LOB data Trimming LOB Data
lwrite.bas Writing data to a LOB Writing Data to a LOB

Java LOB Demonstration Files

The following table lists Java demonstration files. These files are installed in $ORACLE_HOME/rdbms/demo/lobs/java/.

Table A-4 Java Demonstration Examples

File Name Description Usage Information
fclose_c.java Closing a BFILE with CLOSE Closing a BFILE with CLOSE
fclose_f.java Closing a BFILE with FILECLOSE Closing a BFILE with FILECLOSE
fclosea.java Closing all open BFILEs Closing All Open BFILEs with FILECLOSEALL
fcompare.java Comparing all or parts of two BFILEs Comparing All or Parts of Two BFILES
fcopyloc.java Copying a LOB locator for a BFILE Assigning a BFILE Locator
fdisplay.java Displaying BFILE data Displaying BFILE Data
fexists.java Checking if a BFILE exists Determining Whether a BFILE Exists
ffilopen.java Opening a BFILE with FILEOPEN Opening a BFILE with FILEOPEN
ffisopen.java Checking if the BFILE is OPEN with FILEISOPEN Determining Whether a BFILE Is Open with FILEISOPEN
fgetdir.java Getting the directory object name and filename of a BFILE Getting Directory Object Name and File Name of a BFILE
finsert.java Inserting row containing a BFILE by initializing a BFILE locator Inserting a Row Containing a BFILE
fisopen.java Checking if the BFILE is open with ISOPEN Determining Whether a BFILE Is Open Using ISOPEN
flength.java Getting the length of a BFILE Getting the Length of a BFILE
fopen.java Opening a BFILE with OPEN Opening a BFILE with OPEN
fpattern.java Checking if a pattern exists in a BFILE using instr Checking If a Pattern Exists in a BFILE Using INSTR
fread.java Reading data from a BFILE Reading Data from a BFILE
freadprt.java Reading portion of a BFILE data using substr Reading a Portion of BFILE Data Using SUBSTR
fupdate.java Updating a BFILE by initializing a BFILE locator Updating a BFILE by Initializing a BFILE Locator
lappend.java Appending one LOB to another Appending One LOB to Another
lcompare.java Comparing all or part of LOB Comparing All or Part of Two LOBs
lcopy.java Copying all or part of a LOB to another LOB Copying All or Part of One LOB to Another LOB
lcopyloc.java Copying a LOB locator Copying All or Part of One LOB to Another LOB
ldisplay.java Displaying LOB data Displaying LOB Data
lequal.java Seeing if one LOB locator is equal to another Equality: Checking If One LOB Locator Is Equal to Another
lerase.java Erasing part of a LOB Erasing Part of a LOB
linsert.java Inserting a row by initializing LOB locator bind variable Inserting a Row by Initializing a LOB Locator Bind Variable
linstr.java Seeing if pattern exists in LOB (instr) Patterns: Checking for Patterns in a LOB Using INSTR
lisopen.java Seeing if LOB is open Determining Whether a LOB is Open
listempb.java Seeing if LOB is temporary Determining Whether a LOB instance Is Temporary
listempc.java Seeing if LOB is temporary Determining Whether a LOB instance Is Temporary
llength.java Getting the length of a LOB Length: Determining the Length of a LOB
lloaddat.java Loading a LOB with BFILE data Loading a LOB with Data from a BFILE
lread.java Reading data from LOB Reading Data from a LOB
lsubstr.java Reading portion of LOB (substr) Reading a Portion of a LOB (SUBSTR)
ltrim.java Trimming LOB data Trimming LOB Data
lwrite.java Writing data to a LOB Writing Data to a LOB
lwriteap.java Writing to the end of LOB (write append) Appending to a LOB