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I have generated the following sql query code in access using the Qbe and converting it to sql.However, i want proof that i did without help so i intend to take out all inner join statements and replace them with the WHERE statement. How do i work it ...
Started by Selase on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Here's your query.
That is the weirdest JOIN statement I've seen to date.
Cond1 and cond2 might be.
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Hi are there any pros / cons relating to the speed that a stored procedure executes when using an IF statement or choosing to use a CASE statement instead?
Started by test on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Because you're dealing with a database, the amount of time .
Difference between a case and an IF statement.
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Hey all, looking to reduce the code on my c# if statements as there are several repeating factors and was wondering if a trimmer solution is possible.
I currently have 2 if statements that need to carry out an identical statement, however the only variable...
Started by Mark on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
)) { "statement 1" }
if (columnname != a && columnname != b && columnname != c && (checkbox.checked || columnname != A2) { "statement 1" }
Should do the trick,
Dan
if (checkbox.checked && columnname != a && columnname != b && columnname....
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Is it safe to use MS SQL's WITH (NOLOCK) option for select statements and insert statements if you never modify a row, but only insert or delete rows?
I..e you never do an UPDATE to any of the rows.
Started by Brian R. Bondy on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
UPDATE is not the only locking issue)
If you.
Not in general.
Your statement's execution.
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Is there a way to return the total number of (case) instances there are in a switch statement? Something like this:
$id = $_GET['id']; switch ($id) { case "item1" : $data = 'something1'; break; case "item2" : $data = 'something2'; break; } echo $data;...
Started by John on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
Putting one statement after another?
You can probably.
This without a loop and case statements by just ...
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Should I put multiple statements in a try and then catch all possible exceptions, or should I put only one statement in the try statement?
Example:
try { MaybeThrowIOException(); MaybeThrowFooBarException(); return true; } catch (IOException e) { // ....
Started by Sjoerd on
, 15 posts
by 15 people.
Answer Snippets (Read the full thread at stackoverflow):
If all exceptions can be account for in a specific... .
But of course it depends if the function calls/statements carry overlapped exceptions i.e.
The more statements you put, the less specific about the cause of exception you can be potentially.
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Situation:
My application need to process the first step in the business rules (the initial try-catch statement). If an certain error occurs when the process calls the helper method during the step, I need to switch to a second process in the catch statement...
Started by Michael Kniskern on
, 15 posts
by 15 people.
Answer Snippets (Read the full thread at stackoverflow):
Set automatic_retry = true } if (automatic_retry) { //try catch statement for second process.
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I am trying to use the "WITH" statement in SQL Server 2005. It seems to work fine if I do something like:
WITH MyBigProducts AS (SELECT * FROM Products WHERE Size='Big') SELECT Name FROM MyBigProducts
But it fails if I try to use multiple select statements...
Started by Brian Hinchey on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Another possible solution, depending.
If you available in the SQL statement where it is written.
CTE have statement local scope and visibility.
(*) FROM @BigProducts
Please correct me if I am wrong.
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When I write SQL queries, I find myself often thinking that "there's no way to do this with a single query". When that happens I often turn to stored procedures or multi-statement table-valued functions that use temp tables (of one sort or another) and...
Started by Michael Bray on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
These can be derived and performance, we have always ended up going with temp tables and multi-statement stored procedures.
Other thoughts:
Multiple SELECT statement often load temp tables/table variables.
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I'm going through some old stored procedures at work and constantly come across
CASE MyColumn WHEN 'Y' THEN 'Yes' WHEN 'N' THEN 'No' ELSE 'Unknown' END
It gets even worse when this is tied not to a word, but instead a colour.
CASE MyColumn WHEN 'Y' THEN...
Started by Kezzer on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
Engine changes? Will you have to update every SQL statement to Oracle SQL? What if the repository a few rows (or one by the looks of it), this has minimal impact as the WHERE part of the statement.
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