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Strip characters from a field using SQL
I'm using a firebird 1.5 database and am trying to remove all dashes from a field in one of my table's. Is there a command that will do this in SQL. Like replace '-' with ''. I want all the other characters to remain and to strip the dashes. Does anyone know how to do this?
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Answers
this is aproximately written in PSQL, the language used to write stored procedures, triggers etc in firebird
to enter it the easest way is to use a tool, there are several available. I prefer dev studio from www.sqlly.com (30 free trial available)
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by: NickUpsonPosted on 2007-06-13 at 12:26:13ID: 19277311
there is not an easy way, you need to write an SP to do it, something like this.
for select id, textfield from atable into :id, :tfield
do
begin
i = 1;
newstr = '';
while i < max_len;
do
begin
ch = substring(tfield, i, i+1);
if (ch <> '') then
newstr = newstr || ch;
end
update atable set textfield = :newstr where id = :id;
end
you will need to check substring parameters I don't have a manual handy