replace function in oracle

Hello Experts:

I two columns in ORA table with NAS path i.e.

\\folder1\folder2\folder3\some file name1.doc
\\folder1\folder2\folder3\some file name2.doc
\\folder1\folder2\folder3\some file name3.doc
\\folder1\folder2\folder3\some file name4.doc

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I would like to replace it with new NAS path \\folder4\folder5\folder6\

output like this

 \\folder4\folder5\folder6\some file name1.doc
 \\folder4\folder5\folder6\some file name2.doc
 \\folder4\folder5\folder6\some file name3.doc
 \\folder4\folder5\folder6\some file name4.doc

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Can somebody please assist with this update query?

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Walter RitzelSenior Software EngineerCommented:
update table
set column = replace(column,'\\folder1\folder2\folder3\','\\folder4\folder5\folder6\')
where key = < value>;

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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
You can also use something like
update table
set col = replace(col,'\\folder1\folder2\folder3\','\\folder4\folder5\folder6\')
where col like = '\\folder1\folder2\folder3\%';

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to replace all occurrences.

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awking00Information Technology SpecialistCommented:
You could also accomplish the above without the replace function -
update yourtable
set path =  '\\folder4\folder5\folder6'||substr(path,instr(path,'\',-1))
where path like '\\folder1\folder2\folder3\%';

However, since you mention two columns, are you trying to replace the path in one column with the path from another column? If so, could you provide some sample data for both columns and your expected output?
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