The more and more I use the LINQ the more and more I really enjoy it, and it's syntax. I do a lot of data comparisons on a day to day basis. What I would really enjoy is a tool that allows me to load a DataSet, and then query that DataSet at runtime with LINQ queries. I primarily just want a tool, and to be able to load my DataSets dynam...
Hi, i want know querys of third party software executed in my oracle server, anybody know how i can do that?i will use one time, can be trial software or script anything..thx
...
I have 10k forum topics. I run this query:
SELECT *
FROM `topics`
WHERE category_id = '2'
ORDER BY `last_message` DESC
LIMIT 2990, 10
This checks all rows! All rows! Even after adding index to last_message. last_message is a time() and I want to order all messages by that descending. So, what do you suggest me? Without...
Hi!
I am developing facebook app which needs to retrieve events created by some of my friends.
Standard SQL query would look like this:
NSString *fql1 = @"SELECT "
@"eid, name, tagline, id, pic_small,host, description, start_time, creator "
@"FROM "
@"event "
@"WHERE "
@"creator = 1111111111 OR creator = 2222222222 OR creator = 33...
The below query fails with Null Reference Exception when there are elements in BOMIDs where MatID property is nothing.
I thought the 'x.MatID isnot Nothing AndAlso' would prevent the x.MatID.Process part of the where from being executed. There are a couple elements in the BOMIDs collection that where MatID is nothing.
Any thoughts?
Fro...
I have a table with auto increment zerofill ID numbers. When I query the data the IDs lose their leading zeros (i.e. "000529" returns as "529"). Is there a way to preserve the leading zeros, or even generate them back in the query statement? I know I can generate them back in PHP using STRPAD, but for the specific project I am on I would...
I have a large table with 10+ millions records in a SQL Server database. The table contains certain type of data for all 50 states in the US. So if I create 50 views, one for each state, from this table, would the performance of making queries from my application be improved? Other suggestions?
...
I use Netbeans as IDE and use the wizards to generate Entities. If I want to define custom NamedQueries (not the ones auto generated) how can I define those outside of the entity so I don't lose them if I have to recreate the entity using the wizard?
...
SELECT
b.isbn,
booktitle,
price,
description,
GROUP_CONCAT(c.contributorid SEPARATOR '|' ) AS contributorids,
GROUP_CONCAT(fname, ' ', lname SEPARATOR '|' ) AS contributornames
FROM (book AS b
LEFT JOIN book_contributor AS bc
ON b.isbn = bc.isbn)
LEFT JOIN contributor AS c...
I want to make a simple function that I can call on to query my database. I pass the "where" part of the query to it and in the code below, my $q variable is correct. However, what should I then do to be able to use the data? I'm so confused at how to do something I'm sure is extremely easy. Any help is greatly appreciated!
function get...
I have a following table
id group name
1 2 dodo
2 1 sdf
3 2 sd
4 3 dfs
5 3 fda
....
and i want to get intro record from each group like following
id group name
... 1 sdf
2 dodo
3 dfs
...
...
hi
i have 2 tables
table1: num,X,Y
table2: num,X,Y
i need to update X and Y in table1 where table1.num = table2.num
how to do it ?
i need it in Oracle query (i think that in sql server it will work too)
thank's in advance
...
I have a question about equivalent search result, that can occur on different fields.
Let's say I record the logical deletion state of records with 3 fields like :
Boolean Deleted
Date DeleteDate
String DeleteUserName
The goal of the query is to avoid having deleted records into my selection.
So I can search the first field with on...
Hi, I got a problem transforming a table that looks like this
PropertyName | PropertyValue
---------------------------------
color red
color blue
size big
size small
into this:
Color | Size
---------------------------------
red big
red small
blue big
blue small
How can I achieve this? Thanks in advance for any ...
show columns from (select * from (select * from my_table) as T) ?????
I get a Syntax error...
...
Hello,
I have the following tables:
Products
Categories
Subcategories
Brands
with the following fields:
Products:
id
name
description1
description2
description3
id_category
id_subcategory
id_brand
Categories:
id
name
Subcategories
id
name
Brands
id
name
What I want is to make a query, where the user inputs 1 or more...
Here is the question
You are to label the dice sides with numbers. Each dice has 6 sides. You have two dice. You must label so that you can display (not sum or product) the numbers 0 to 31. Complete output:
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
I tried
(select
0 as ...
Hello, I hate asking for code but I just can't seem to do the below -
Staff
| lastname - name - position |
| Henderson | John | A |
| Howard | Bob | B |
| Hendry | Chris | B |
Max_person
| lastname - change |
| Henderson | John |
| Howard | Bob |
| Hendry ...
How do I write a find(:all) query in rails (v2.3.5) that has parameters both in the model I am running the 'find' on, and in another table? e.g. I am trying to search for 'posts' by 'author' and 'tag'. Author is an attribute of post, whereas tag is associated with it through another table. I can get the tags by including ':joins =...
Hello, I hate asking for code but I just can't seem to do the below -
Staff
| lastname - name - position |
| Henderson | John | A |
| Howard | Bob | B |
| Hendry | Chris | B |
Max_person
| lastname - change |
| Henderson | 0.9 |
| Howard | 0.2 |
| Hendry ...