Apr 15, 2024 · The seek position is a byte index into the contents of the file similar to an array index. Its also interesting that if we open file in append mode 'a', we cannot seek to file's …

Feb 27, 2012 · In a SQL Server Execution plan what is the difference between an Index Scan and an Index Seek I'm on SQL Server 2005.

Jun 29, 2015 · How does Python's seek function work? Asked 12 years, 11 months ago Modified 5 years, 10 months ago Viewed 19k times

Mar 28, 2013 · What this means is that when you use a std::basic_fstream, which by default uses a std::basic_filebuf, the single file position is moved by both seekp() and seekg(); unless you …

May 15, 2017 · Every individual seek, scan, lookup, or update on the specified index by one query execution is counted as a use of that index and increments the corresponding counter in this …

If you are working with files (eg: with the FileStream class) it seems Seek (0, SeekOrigin.Begin) is able to keep internal buffer (when possible) while Position=0 will always discard it.

Here's a wrapper to make any Stream seekable for read operations. It works by caching reads from the underlying stream, up to the number of bytes specified in the constructor. This will …

Jan 10, 2009 · Any way to do the same if you only have a reference to the reader and not the file handle? I am writing a function that takes a reader as input, scans through all the rows and …

Dec 29, 2009 · 9 A clustered index range seek that returns 138 rows is not your problem. Technically you can improve the seek performance by making the clustered index narrower: …

seek () returns the index it now points too within the file. This is also useful if you point o beyond the length of the file or use relative seek () commands.