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I have my business-logic in ~3000 lines of T-SQL stored procedures, and most of them has next approach:
SELECT A.A, B.B, C.C FROM aaa AS A, bbb AS B, ccc AS C -- here is what I called multi-table WHERE A.B = B.ID AND B.C = C.ID AND C.ID = @param
Will ...
Started by abatishchev on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
They should produce exactly the same internal....
And yes, LEFT OUTER JOINs (which, btw are also ANSI JOIN syntax) are what you want.
The two queries are equal JOIN syntax.
They should be equal.
Execute both and check their query plans.
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After I've filled with data the query object , should there be an object that executes the query (filled query object as method parameter) or should the object execute the query by itself ?
Answer Snippets (Read the full thread at stackoverflow):
In LINQ....
Think of how it's done in LINQ-to-SQL for example.
If not you're violating SRP as the query is encapsulating both the specification of the query and the execution of the query.
Something else should execute the query.
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What are the maximum allowed number of columns in a query in access 2003?
Started by Brettski on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
You can check by going to Help > Specifications > Query within Access
Number of tables in a query: 32
Number....
255 I believe.
A query against access that's pulling in hundreds or thousands of columns isn't the right approach.
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Hi
What is faster query select...where Fname = 'mark' or select...where Fname like 'mark'
thank's
Started by Gold on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
This SQL Server Performance thread lists.
I believe the equality query, in general, is much faster.
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What does TOP 1 mean in an sql query?
SELECT TOP 1 RequestId FROM PublisherRequests
Started by mohammad reza on
, 10 posts
by 10 people.
Answer Snippets (Read the full thread at stackoverflow):
Your query in specific will return/library/ms189463.aspx
The query....
The first row.
It means only return the top 1 row, i.e.
You really dont know what mean TOP 1? Have you ever wrote a SQL query?
You should learn the basic .
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Selecting the union:
select * from table1 union select * from table1_backup
What is the query to select the intersection?
Started by Peter Turner on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
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Some of the queries I have written inside MS-Access are getting deleted automatically. And while I run the queries through code, I get this error
'Query should have one destination field'
What can be the possible reason
Explanation: I created a query ...
Started by Varun Mahajan on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Does the query stick around when you don't run code is overwriting the ....
When you open the query in design view, you will most likely notice it doesn't.
Check if your query actually has any fields in the query design grid.
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If you had data in table 1 that you need to use to return data in table 2 for each row returned in table 1. What is more efficient to use a set of querys in PHP one inbedded in the while loop of the other or an SQL function within a query?
for example...
Started by Stuart Burgis on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
What is more efficient to use
a set of querys in PHP one inbedded in the while loop of the other
or
an SQL function within a query
Seems you answered your question yourself, didn't you?
Every query in single query (not....
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What is a dynamic SQL query, and when would I want to use one? I'm using SQL Server 2005.
Started by Surya sasidhar on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
A dynamic sql query is one that is built as the programm is running as opposed to a query such as adding where clauses to a search based on what fields are filled out on a form or to create.
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I would like to determine the number of records that a query on a Tokyo Cabinet Table will return before I run the query. I am using the rufus-tokyo Ruby gem as my interface. What is the best way to do this?
Started by Jamal Hansen on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
# could use db#size, except that our ....
Here's an example of paging records using query_count:
db = Rufus.
It would use db#query_count method which returns a record count.
Looking thorough the code on github, I think I found the answer .
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