Dear sirs,
I am new to DataBase in C++,Also here iam using mysql,
How can do it nad get the result back from the database and do operation onit.
Thanks in advance,
arunkumar (2 Replies)
Hi All,
I am having trouble through, I am reading the input from tab delimited file containing several records,
e.g.
line1 field1 field2 field3 so on..
line2 field1 field2 field3 so on..
..
..
on the basis of certain fields for each record in input file, I have to retrieve... (1 Reply)
Hello
I want to grep data from header of the files . The header conatins data in this format .
# $maint$ test1
# $product$ TTT
I want to store maint name and product name with path of file . (12 Replies)
hello everyone
I need to update data base in file
1-ID
2-Name
3-ID group
4-ID teacher
5-mark list
unique ID is (ID+ID group+ID teacher)
we can append 5 th columns (marks list)
main base file:
Code:
1:John:3:1:4 3 2
2:Mark:1:2:1 3
3:Susan:3:4:
input file: (1 Reply)
HI
I have input file A.txt
X
Y
Z
File B.txt
1 X 10 AAA 11123
2 Y 22 PlD 4563
3 Z 55 PlD 54645
4 Z 66 PlD 15698
5 F 44 PlD 154798
6 C 55 PlD 12554
7 Z 88 PlD 23265
8 C 99 PlD 151654
9 C 11 PlD 21546546
I need New File C.txt (1 Reply)
Hi All,
I have the file in following format. I need to change column 16 and column 17 for those lines which has atleast one numerical digit in column 2 , with the exception on SUPP1
Input file :
S00005615|1044|0|0.00|0|0.00| |112|-30|28.1|0|0| |20130331|220.2|2|3|... (2 Replies)
Base of last two column i want to change may data
if Last two Column have A and C then Copy Column $4 to Column $3.
Input :-
DD142 0_1 DD142_A DD142_B A B
DD142 1_1 DD142_B DD142_C B C
DD142 2_1 DD142_A DD142_C A C
DD142 3_1 DD142_A A
DD142 3_2 DD142_A A
DD142 4_1 DD142_B B ... (4 Replies)
HI
Want to grep data from column header and match with second file.
File A.txt
1 2 3 4 5 6
X1 A L D J Q R
X2 B M K P w T
X3 C S L P e Y
X4 R Z M A r U
FileB.txt
1
2
3
4
6
7 (3 Replies)
Discussion started by: pareshkp
3 Replies
LEARN ABOUT DEBIAN
class::dbi::columngrouper
Class::DBI::ColumnGrouper(3pm) User Contributed Perl Documentation Class::DBI::ColumnGrouper(3pm)NAME
Class::DBI::ColumnGrouper - Columns and Column Groups
SYNOPSIS
my $colg = Class::DBI::ColumnGrouper->new;
$colg->add_group(People => qw/star director producer/);
my @cols = $colg->group_cols($group);
my @all = $colg->all_columns;
my @pri_col = $colg->primary;
my @essential_cols = $colg->essential;
DESCRIPTION
Each Class::DBI class maintains a list of its columns as class data. This provides an interface to that. You probably don't want to be
dealing with this directly.
METHODS
new
my $colg = Class::DBI::ColumnGrouper->new;
A new blank ColumnnGrouper object.
clone
my $colg2 = $colg->clone;
Clone an existing ColumnGrouper.
add_column / find_column
$colg->add_column($name);
my Class::DBI::Column $col = $colg->find_column($name);
Add or return a Column object for the given column name.
add_group
$colg->add_group(People => qw/star director producer/);
This adds a list of columns as a column group.
group_cols / groups_for
my @colg = $cols->group_cols($group);
my @groups = $cols->groups_for(@cols);
This returns a list of all columns which are in the given group, or the groups a given column is in.
columns_in
my @cols = $colg->columns_in(@groups);
This returns a list of all columns which are in the given groups.
all_columns
my @all = $colg->all_columns;
This returns a list of all the real columns.
primary
my $pri_col = $colg->primary;
This returns a list of the columns in the Primary group.
essential
my @essential_cols = $colg->essential;
This returns a list of the columns in the Essential group.
perl v5.12.4 2005-09-14 Class::DBI::ColumnGrouper(3pm)