Comment on

1) Query data from transaction table and calculate the total balance in each account

Select columns from your table, group by "accnum". When "type" = 'credit', then add "amount"; when "type" = 'debit', subtract "amount". And then display the result as a column in your resultset.

2) Query data from transaction table

SELECT columns FROM transaction table

and calculate total amount

sum(...)

debited by cheque,

chequeno IS NOT NULL

ddno IS NOT NULL

and by cash

chequeno IS NULL AND ddno IS NULL

for each account.

GROUP BY accnum

For the rest, why not look here? And there.

In reply to Re^6: SQL Database Table to Perl Script by Anonymous Monk
in thread SQL Database Table to Perl Script by prithviraj

Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!

Read Where should I post X? if you're not absolutely sure you're posting in the right place.

Please read these before you post! —

Posts may use any of the Perl Monks Approved HTML tags:

a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr

Outside of code tags, you may need to use entities for some characters:

	For:		Use:
	&		`&`
	<		`<`
	>		`>`
	[		`[`
	]		`]`

Link using PerlMonks shortcuts! What shortcuts can I use for linking?

See Writeup Formatting Tips and other pages linked from there for more info.


Just another Perl shrine
	PerlMonks

Comment on

How many continents have you visited?