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Top Forums Programming select value from 'value' column if the Value2 is having a particular value. Post 302447836 by durden_tyler on Tuesday 24th of August 2010 12:45:40 PM
Old 08-24-2010
Quote:
Originally Posted by gameboy87
It's SQL...I forgot to mention !
SQL is a language, as its full form "Structured Query Language" indicates. It is not a database.

If you meant the database MySQL, instead of Oracle, then -

Code:
mysql>
mysql>
mysql> select * from t;
+-------+--------+
| value | value2 |
+-------+--------+
|     1 | GOD    |
|     2 | HULK   |
|     3 | Hello  |
|     4 | Bye    |
+-------+--------+
4 rows in set (0.00 sec)
 
mysql>
mysql> --
mysql> select substring_index(group_concat(value2), ',', 1)  value1,
    ->        substring_index(group_concat(value2), ',', -1) value2
    ->   from t
    ->  where value in (1,2);
+--------+--------+
| value1 | value2 |
+--------+--------+
| GOD    | HULK   |
+--------+--------+
1 row in set (0.00 sec)
 
mysql>
mysql>
mysql>

tyler_durden
 

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DBIx::Class::Storage::DBI::mysql(3)			User Contributed Perl Documentation		       DBIx::Class::Storage::DBI::mysql(3)

NAME
DBIx::Class::Storage::DBI::mysql - Storage::DBI class implementing MySQL specifics SYNOPSIS
Storage::DBI autodetects the underlying MySQL database, and re-blesses the $storage object into this class. my $schema = MyApp::Schema->connect( $dsn, $user, $pass, { on_connect_call => 'set_strict_mode' } ); DESCRIPTION
This class implements MySQL specific bits of DBIx::Class::Storage::DBI, like AutoIncrement column support and savepoints. Also it augments the SQL maker to support the MySQL-specific "STRAIGHT_JOIN" join type, which you can use by specifying "join_type => 'straight'" in the relationship attributes It also provides a one-stop on-connect macro "set_strict_mode" which sets session variables such that MySQL behaves more predictably as far as the SQL standard is concerned. STORAGE OPTIONS
set_strict_mode Enables session-wide strict options upon connecting. Equivalent to: ->connect ( ... , { on_connect_do => [ q|SET SQL_MODE = CONCAT('ANSI,TRADITIONAL,ONLY_FULL_GROUP_BY,', @@sql_mode)|, q|SET SQL_AUTO_IS_NULL = 0|, ] }); AUTHORS
See "CONTRIBUTORS" in DBIx::Class LICENSE
You may distribute this code under the same terms as Perl itself. perl v5.18.2 2014-01-22 DBIx::Class::Storage::DBI::mysql(3)
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