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Datatypes
RAW → The RAW datatype is used for binary data or byte strings that are not to be interpreted by Oracle … , for example, to store graphics character sequences. The maximum length of a RAW column is 2000 bytes … . See Also: Oracle9i SQL Reference. When RAW data in an Oracle table is converted to a character … string in a program, the
Object-Relational Datatypes
Raw Example → In this example, a raw data block is set up and a pointer to its data is obtained. Note the double … data_block[10000]; ub4 data_block_len = 10000; OCIRaw *raw1; ub1 *raw1_pointer; /* Set up the RAW … , data_block_len, &raw); /* Get a pointer to the data part of the RAW */ raw1_pointer = OCIRawPtr(envhp, raw1);
Oracle9i Windows/UNIX Differences
Raw Partitions → Datafiles for tablespaces may be stored on a file system or on raw partitions. A raw partition is a … portion of a physical disk that is accessed at the lowest possible level. UNIX supports raw … using drive letters A-Z, but creating raw partitions lets you bypass the disk drive limitation and … a physical drive.
Object-Relational Datatypes
Raw Functions → allocated size of raw memory in bytes OCIRawAssignBytes() assign raw data (ub1 *) to OCIRaw … * OCIRawAssignRaw() assign one OCIRaw * to another OCIRawPtr() get pointer to raw data OCIRawResize() resize … memory of variable-length raw data OCIRawSize() get size of raw data
OCI Datatype Mapping and Manipulation Functions, 113 of 134
raw (IN) → Variable-length raw pointer; the raw is resized to new_size.
OCI Datatype Mapping and Manipulation Functions, 112 of 134
raw (IN) → Pointer to the data of a given raw is returned.
OCI Datatype Mapping and Manipulation Functions, 109 of 134
raw (IN) → Raw data whose allocated size in bytes is returned. This must be a non- pointer.
Using Oracle9i on Windows 2000
Raw Partitions → In Windows NT, use Disk Administrator to create raw partitions required for Oracle Real Application … Clusters. In Windows 2000, use Computer Management to create basic disks (compatible with raw
Datatypes
LONG RAW → The LONG RAW datatype is similar to the RAW datatype, except that it stores raw data with a length up to two gigabytes (2^31-1 bytes).
Object-Relational Datatypes
Raw (OCIRaw) → Variable-length raw data is represented in C using the OCIRaw * datatype. For binding and defining
Native Datatypes
RAW and LONG RAW Datatypes → Note: The LONG RAW datatype is provided for backward compatibility with existing applications. For … new applications, use the BLOB and BFILE datatypes for large amounts of binary data. The RAW and … LONG RAW datatypes are used for data that is not to be interpreted (not converted when moving data … example, LONG RAW
Datatypes and Host Variables
RAW and LONG RAW Values → When you select a RAW or LONG RAW column value into a character host variable, Oracle9 i must … binary byte of RAW or LONG RAW data as a pair of characters. Each character represents the hexadecimal … also necessary when you insert a character host value into a RAW or LONG RAW column.
PL/SQL Datatypes
RAW and LONG RAW Values → When you select a RAW or LONG RAW column value into a CHAR or VARCHAR2 variable, PL/SQL must … RAW or LONG RAW data as a pair of characters. Each character represents the hexadecimal equivalent of … insert a CHAR or VARCHAR 2 value into a RAW or LONG RAW column. Each pair of characters
Datatypes
LONG, RAW, LONG RAW, VARCHAR2 → You can use the piecewise capabilities provided by OCIBindByName(), OCIBindByPos(), OCIDefineByPos(), OCIStmtGetPieceInfo() and OCIStmtSetPieceInfo() to perform inserts, updates or fetches involving column data of these types.
Image Raw Pixel Format
E.7 Raw Pixel Header "C" Constants → The following C language constants define the values used in the Raw Pixel header. #define
Image Raw Pixel Format
E Image Raw Pixel Format → This appendix describes the Oracle Raw Pixel image format and is intended for developers and … advanced users who wish to use the Raw Pixel format to import unsupported image formats into inter Media
Image Raw Pixel Format
E.5.3 Band Interleaving → Band interleaving describes the relative location of different bands of pixel data within the image buffer. Bands are ordered by their appearance in an image data stream, with 1 being the first band, n being the last band. Band 0 would indicate no band or no data. Band Interleaved by Pixel (BIP), or Chunky BIP, or chunky, images place the various bands or channels of pixel data sequentially by pixel,
Image Raw Pixel Format
E.3 Raw Pixel Header Field Descriptions → This section describes the fields of the Raw Pixel Header in greater detail. Image Identifier … Occupying the first 4 bytes of a Raw Pixel image, the identifier string must always be set to the ASCII … . This string is currently independent of the Raw Pixel version. Image Header Length The Raw Pixel … reader uses
Image Raw Pixel Format
E.10 Foreign Image Support and the Raw Pixel Format → inter Media provides support for reading certain foreign images that can be described in terms of a few simple parameters, and whose data is arranged in a certain straightforward way within the image file. There is no list of the supported formats because the list would be so large and continually changing. Instead, there are some simple guidelines to determine if an image can be read using the foreign
Image Raw Pixel Format
E.5.1 Scanline Ordering → earlier than the remaining scanlines. The Raw Pixel format refers to this scanline ordering as … :...4444444444...3333333333...2222222222...1111111111... The Raw Pixel format refers to this scanline ordering as inverse.
Image Raw Pixel Format
E.4 Raw Pixel Post-Header Gap → Apart from the image identifier and the image header, Raw Pixel version 1.0 images contain an … noting that when a Raw Pixel image is processed, information stored in this gap is not copied to the
Image Raw Pixel Format
E.6 Raw Pixel Header "C" Structure → The following C language structure describes the Raw Pixel header in a programmatic way. This
Image Raw Pixel Format
E.2 Raw Pixel Image Structure → A Raw Pixel image consists of a 4-byte image identifier, followed by a 30-byte image header … , followed by an arbitrary gap of zero or more bytes, followed by pixel data. It is worth noting that Raw … Pixel images are never color-mapped, and therefore do not contain color lookup tables. The Raw Pixel … Raw Pixel
Image Raw Pixel Format
E.9 Raw Pixel Images Using CCITT Compression → Although the Raw Pixel format is generally aimed at uncompressed direct color images, provision is … the very high resolution used in these images would use excessive disk space. Raw Pixels images using … CCITT compression are treated as normal Raw Pixel images, with the following restrictions: The
Image Raw Pixel Format
E.1 Raw Pixel Introduction → content is often widely variable and not suited for easy access to the pixel data of the image. The Raw … , but is in a simple, uncompressed format. These users can prepend a Raw Pixel identifier and header … this capability is related to the Raw Pixel format is described in Section E.10. In addition to … supporting image types
Image Raw Pixel Format
E.5.2 Pixel Ordering → the left pixel appears earlier than the remaining pixels. The Raw Pixel format refers to this pixel … stream first:...987654321... The Raw Pixel format refers to this pixel ordering as reverse.
Image Raw Pixel Format
E.5.4 N-Band Data → The Raw Pixel format supports up to 255 bands of data in an image. The relative location of these
Image Raw Pixel Format
E.5 Raw Pixel Data Section and Pixel Data Format → The data section of a Raw Pixel image is where the actual pixel data of an image is stored; this … images using CCITT compression, the bitmap data area stores the raw CCITT stream with no additional … header. The rest of this section applies only to uncompressed images. Bitmap data in a Raw Pixel image
Image Raw Pixel Format
E.8 Raw Pixel PL/SQL Constants → The following PL/SQL constants define the values used in the raw pixel information. The constants
Selecting a Datatype
Using RAW and LONG RAW Datatypes → Note: The RAW and LONG RAW datatypes are provided for backward compatibility with existing … about the BLOB and BFILE datatypes. The RAW and LONG RAW datatypes store data that is not interpreted … intended for binary data and byte strings. For example, LONG RAW can store graphics, sound, documents
Storing Tablespaces on Raw Partitions
Raw Partition Overview → raw partitions. A raw partition is a portion of a physical disk that is accessed at the lowest … possible level. Input/output (I/O) to a raw partition offers approximately a 5% to 10% performance … improvement over I/O to a partition with a file system on it. A raw partition is created after generation … . An
Long and Long Raw Columns
Long and Long Raw Columns → Feedback Long and Long Raw Columns See Also Putting Long and long raw columns of an Oracle database can … internally and put in one piece upon an Update. Fetching Long and long raw columns of an Oracle database … long raw column automatically when it is selected. Instead, the first 64K bytes is retrieved and the
Storing Tablespaces on Raw Partitions
Compatibility Issues → block that is skipped for physical raw conventions. This also means you cannot simply use OCOPY
Storing Tablespaces on Raw Partitions
A Storing Tablespaces on Raw Partitions → This appendix describes how to configure your system to store datafiles for tablespaces on raw … partitions. This appendix contains these topics: Raw Partition Overview Creating an Extended Partition … Creating a Tablespace in a Raw Partition Note: Oracle Real Application Clusters require additional
Storing Tablespaces on Raw Partitions
Physical Disk → , Oracle9 i database skips the first block of a physical raw partition that is used for an Oracle9 i datafile.
Storing Tablespaces on Raw Partitions
Creating an Extended Partition → Only one extended partition can be created for each disk. You can use free space in the extended partition to create multiple logical partitions or use all or part of it when creating volume sets or other kinds of volumes for fault-tolerance purposes. To create an extended partition: Choose Start > Programs > Administrative Tools > Disk Administrator. The Disk Administrator window appears. Text description
Long and Long Raw Columns
Long and Long Raw Columns → Master Index Feedback Long and Long Raw Columns Putting data into the database Long and long raw … impractical to automatically retrieve all data from a long or long raw column when it is selected. Instead … the long or long raw column can be located and the long data retrieved using one of the methods … only
Storing Tablespaces on Raw Partitions
Logical Partition → : Oracle9 i database does not skip the first block of a logical raw partition used for an Oracle9 i datafile.
Storing Tablespaces on Raw Partitions
Physical Disk and Logical Partition Considerations → Consider the following when deciding which raw partition to use: Physical disks are automatically … physical raw names that Windows NT provides. Use a logical partition if you are using a specific