Bad link PLS-00049 variable

Hi guys, I have the following tables:

create table (member)

Middle varchar2 (7).

password varchar2 (8) not null,

fname varchar2 (15) not null,

lname varchar2 (15) not null,

address varchar2 (50).

e-mail varchar2 (30),

cash_balance COMP (10.2) is not null,.

primary key (mid)

);

create table (transaction)

Middle varchar2 (7).

symbol varchar2 (8).

date of trans_date,

trans_type varchar2 (20) not null,

Number amount (7.2) not null,

checking number (7.3) price_per_share (price_per_share > = 0.0) not null,

checking number (5.2) of the Commission (commission > = 0.0) not null,

Number amount (8.2) not null,

primary key (middle, symbol, trans_date),

(mid) foreign key refers to Member.

Foreign key (symbol) referred to security

);

I am trying to create a trigger that fires whenever a new transaction is added to the operating table. I want him to be able to update the cash accordingly for a trade balance, according to whether it is a purchase or sale. Here are the trigger below:

create or replace

Insert_transaction RELAXATION

BEFORE the operation INSERT ON

REFERRING AGAIN AS NINE OLD AND OLD

FOR EACH LINE

DECLARE trans_type transaction.trans_type%type;

trans_amount transaction.amount%type;

Member.cash_balance%type balance;

amount_too_high EXCEPTION;

BEGIN

Select trans_type, amount, cash_balance

in trans_type, trans_amount, balance

operation, Member

where member.mid =: new.mid and transaction.mid = member.mid;

If (: new.trans_type = "buy" ") then

If (: new .trans_amount < balance) then

members update

Set cash_balance = cash_balance - new.trans_amount

where member.mid =:new.mid;

on the other

RAISE amount_too_high;

end if;

on the other

members update

Set cash_balance = cash_balance + new.trans_amount

where member.mid =: new.mid;

end if;

EXCEPTION

WHEN amount_too_high THEN

DBMS_OUTPUT. Put_line ("' the Transaction amount superior members balance.");

RAISE_APPLICATION_ERROR (-20002, "NOT ENOUGH MONEY");

END;

The relaxation is given me a variable of bad connection on line 18 which is the Member of update in bold. I don't understand why this is happening or how to fix it. I had at the start of the worst variable bind that result from the use: new.trans_amount in the nested if. Once I got rid of the: it seemed to solve the problem. However, I do not know where exactly this last error occurs.

I just want to be able to fix this error so that I can start to test it.

Hello

Please check: new.trans_amount is not transaction table column so you must reference it with: new. Delete: new. and it should work.

See: To access the ColumnValues triggers http://docs.oracle.com/cd/B19306_01/appdev.102/b14251/adfns_triggers.htm#sthref1139 online

Tags: Database

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