On Tuesday 18 March 2003 02:47, dreq jkj wrote:
I have trouble figuring out how the indices are used when making a query
that uses OR-operator.
If I have the following table:
create table testing(
id int unsigned not null primary key auto_increment,
idx1 int unsigned not null,
idx2 int
I have trouble figuring out how the indices are used when making a query
that uses OR-operator.
If I have the following table:
create table testing(
id int unsigned not null primary key auto_increment,
idx1 int unsigned not null,
idx2 int unsigned not null,
index(idx1),
index(idx2));
In this
