Hi List,
How do I select data from 24 table in my database.
Each one is identical in structure layout being
Id,name,list
I want to select where like $_POST[var] from a form all of the tables but I
am having trouble :(
I thought making a var string like
$string = table1,table2,table3,.;
Dave Carrera wrote:
Hi List,
How do I select data from 24 table in my database.
Each one is identical in structure layout being
Id,name,list
I want to select where like $_POST[var] from a form all of the tables but I
am having trouble :(
I thought making a var string like
$string =
Dave Carrera wrote:
Hi List,
How do I select data from 24 table in my database.
Each one is identical in structure layout being
Id,name,list
The first thing you need to do is reorganize your database schema and
put all of this into one table. You can see what a pain it is having 24
similar
John W. Holmes wrote:
Dave Carrera wrote:
Hi List,
How do I select data from 24 table in my database.
Each one is identical in structure layout being
Id,name,list
The first thing you need to do is reorganize your database schema and
put all of this into one table. You can see what a pain it
This isn't always desirable, or even possible. I once designed a database to
hold characteristics for a series of 70 different tests. There were about 50
different characteristics used in various combinations for each test. Each
characteristic could be one of many values. So the
This isn't always desirable, or even possible. I once designed a
database to hold characteristics for a series of 70 different tests.
There were about 50 different characteristics used in various
combinations for each test. Each characteristic could be one of many
values. So the
Michal Migurski wrote:
In my experience, it's usually a safe assumption that if you have a bunch
of tables all structured identically and used in similar ways, you should
probably merge them all into a single table with an extra column that
corresponds to whatever differentiating characteristic
Up what creek? You didn't really provide any technical justification
for your suggestion.
Up the creek of having to call for help on php-general because you have 24
identical tables you need to join, having never performed a join before.
The pain only occurs when writing the SQL statements
Hi Michal,
Getting back to the original posting, I'm basically saying that I don't think
it's a good idea to structure or restructure a database for the sake of
simplifying a few SQL statements. Especially if the data being joined is in
separate tables for a good reason.
Regarding optimizing
* Thus wrote Travis Low ([EMAIL PROTECTED]):
Hi Michal,
Getting back to the original posting, I'm basically saying that I don't
think it's a good idea to structure or restructure a database for the sake
of simplifying a few SQL statements. Especially if the data being joined
is in
10 matches
Mail list logo
