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Top Forums Programming C Beginner Looking For Suggestions Post 302302661 by deckard on Tuesday 31st of March 2009 03:12:00 PM
Old 03-31-2009
Quote:
Originally Posted by c_d
parallel in what sense?
When I've seen him do PHP queries against a MySQL DB, he doesn't just do a single query. He'll usually pull in multiple bits of information even though to me it doesn't seem relevant. But afterwards in his PHP script, the data returned from the queries is used in groups. Kind of hard to explain I guess. It's just that my thinking would be:

Execute a query and pull in one column of data
Process the data
Execute another query for another column
Process that data
etc...
Then take all the data stored in arrays and format it for display

Whereas his thinking seems to be

Execute a query to pull in all needed data from multiple tables
Process in one function and format for display

I guess maybe it just takes having a lot of familiarity with the language and you start to see the quicker way of doing things. His approaches also seem to be able to avoid the spaghetti logic I get myself into sometimes by nature of their compactness.
 

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MYSQL_INFO(3)								 1							     MYSQL_INFO(3)

mysql_info - Get information about the most recent query

SYNOPSIS
Warning This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include: omysqli_info(3) string mysql_info ([resource $link_identifier = NULL]) DESCRIPTION
Returns detailed information about the last query. o $ link_identifier -The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect(3) is assumed. If no such link is found, it will try to create one as if mysql_connect(3) was called with no arguments. If no connection is found or established, an E_WARNING level error is generated. Returns information about the statement on success, or FALSE on failure. See the example below for which statements provide information, and what the returned value may look like. Statements that are not listed will return FALSE. Example #1 Relevant MySQL Statements Statements that return string values. The numbers are only for illustrating purpose; their values will correspond to the query. INSERT INTO ... SELECT ... String format: Records: 23 Duplicates: 0 Warnings: 0 INSERT INTO ... VALUES (...),(...),(...)... String format: Records: 37 Duplicates: 0 Warnings: 0 LOAD DATA INFILE ... String format: Records: 42 Deleted: 0 Skipped: 0 Warnings: 0 ALTER TABLE String format: Records: 60 Duplicates: 0 Warnings: 0 UPDATE String format: Rows matched: 65 Changed: 65 Warnings: 0 Note mysql_info(3) returns a non- FALSE value for the INSERT ... VALUES statement only if multiple value lists are specified in the statement. mysql_affected_rows(3), mysql_insert_id(3), mysql_stat(3). PHP Documentation Group MYSQL_INFO(3)
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