Each Poem as two Votes, one as poem_id, other_poem_id, wins & the second record which is the inverse of the first.Maybe there is a better way, but I\'m trying to find the poems with the highest wi
Can someone tell me what is the difference between these two: ALTER TABLE x1 ADD INDEX(a); ALTER TABLE x1 ADD INDEX(b);
I just set up FirePHP in Zend and I\'m noticing a huge number of DESCRIBE queries. Some pages have 50 or more identical queries all on the same table. e.g.
I am planning to create a mysql 5 (myISAM) table that will contain x thousand rows of data.Each row will have a count field, & the rows with the 20 highest count values will be retrieved 开发者_高
I\'m trying to figure out why a SQL Server stored procedure is executing slowly, so I\'ve put in some crude timers, like this:
Background: I have a MS SQL application that reads data from our Oracle billing database once an hour, looking for new payments.It does this by storing a timestamp based on the CRT_DTTM of the most r
The table contains about 40,000,000 records having: CREATE TABLE `event` ( `id` bigint(20) unsigned NOT NULL auto_increment,
In SQL Server 2005, when I write a query like SELECT m.*, a.price p1, b.price p2 FROM mytable m LEFT JOIN products_table_1 a
I\'m building a CGI script that polls a SQLite database and builds a table of statistics. The source database table is described below, as is the chunk of pertinent code. Everything works (functionall
I had am maintaining an query that is as follows: select field_1, field_2 from source_table minus select field_1, field_2
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