December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2012 Unleashed
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Supplying Hints to bcp
The SQL Server 2012 version of bcp enables you to further control the speed of data loading, to invoke constraints, and to have insert triggers fired during loads. To take advantage of these capabilities, you use hint switches to specify one or more hints at a time. Following is the syntax:
–h "hint [, hint]"
The query processor optimizes data loads and unloads for OLE database rowsets that the latest versions of bcp and BULK INSERT can generate.
The following sections describe the various hints you can specify with the –h switch.
The ROWS_PER_BATCH Hint
The ROWS_PER_BATCH hint is used to tell SQL Server the total number of rows in the data file. This hint helps SQL Server optimize the entire load operation. This hint ...
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