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REVERSE Function → This function reverses a byte sequence in RAW r from end to end. For example, x'0102F3' would be reversed to x'F30201', and 'xyz' would be reversed to 'zyx'.The result length is the same as the input RAW length.
Reverse Secondary Sorting → enable reverse secondary sorting. See Also: "Creating a New Linguistic Sort with the Oracle Locale … Builder" for more information about setting the reverse secondary flag
Reverse Key Indexes → Creating a reverse key index, c ompared to a standard index, reverses the bytes of each column … distributed across all leaf keys in the index. Using the reverse key arrangement eliminates the ability to … to each other in a reverse-key index, only fetch-by-key or full-index (table) scans can be … performed. Sometimes, using a
ORA-14124 duplicate REVERSE clause → Cause: REVERSE was specified more than once in ALTER INDEX or CREATE INDEX statements. Action … : Remove all but one of the REVERSE clauses and reissue the statement.
ORA-14134 indexes cannot use both DESC and REVERSE → Cause: An attempt was made to make a reverse index with some index columns marked DESC. Action: Do … not use DESC in reverse indexes. The rule-based optimizer can scan indexes backwards, which allows a … normal reverse index to simulate a reverse index with columns marked DESC.
Pragmas → pragma restrict_references(reverse, WNDS, RNDS, WNPS, RNPS);
Returns → Table 98-33 REVERSE Function Returns Return Description RAW Containing the "reverse" of r.
Parameters → Table 98-32 REVERSE Function Parameters Parameter Description r RAW to reverse.
ORA-14125 REVERSE/NOREVERSE may not be specified in this context → Cause: REVERSE/NOREVERSE clause is not allowed in this context. Action: Remove offending clause … . REVERSE may be specified as an attribute of an index (not of an individual partition, if creating a
ORA-14122 only one REVERSE or NOREVERSE clause may be specified → Cause: Both REVERSE and NOREVERSE were specified in CREATE INDEX statement. Action: Remove all but … one of the REVERSE or NOREVERSE clauses and reissue the statement.
Errors → Table 98-34 REVERSE Function Errors Error Description VALUE_ERROR R is NULL or has 0 length.
ENABLE_BREAKPOINT Function → This function is the reverse of disabling. This enables a previously disabled breakpoint.
D.4.3 PixelOrder → stream. The value Reverse causes the rightmost pixel of the scanline to appear first. For more
Using Mixed Notation → notation must precede named notation. The reverse is not allowed. For example, the following procedure
Linguistic Sort Features → Canonical Equivalence Reverse Secondary Sorting Character Rearrangement for Thai and Laotian
APPLY_UNSET Procedure → Use the APPLY_UNSET procedure to reverse or undo the settings that you made with the APPLY_SET
description → compressionformat=NONE userString=DJM dataOffset=128 scanlineOrder=INVERSE pixelOrder=REVERSE
Features that Require the CBO → tables Reverse key indexes Function-based indexes SAMPLE clauses in a SELECT statement Parallel query and
Examples → ' || ' userString=DJM dataOffset=128' || ' scanlineOrder=INVERSE pixelOrder=REVERSE' || ' interleaving=BIL