April 2007
Intermediate to advanced
1032 pages
19h 28m
English
book
SQL for MySQL Developers: A Comprehensive Tutorial and Reference
by Rick F. van der Lans, Diane Cools
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Chapter 16. The HANDLER Statement
16.1 Introduction
So far, we have discussed only the SELECT statement for querying table data. Typical of this statement is that it always returns a set of rows. The statement is representative of the declarative character of the SQL language.
MySQL supports an additional statement to retrieve data: the HANDLER statement. This statement enables us to browse the data of a table row by row. For some applications, this statement is more suitable than the SELECT statement, such as for applications in which the data of a table is always processed row by row.
However, the HANDLER statement does not have all the features of the SELECT statement. In addition, the HANDLER statement has not been included in the SQL standard; ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.