A syntactic form in functional languages used to bind a value to a name in a local scope. Similar, but not identical to, let.
Questions tagged [where-clause]
9069 questions
127
votes
6 answers
MySQL - ORDER BY values within IN()
I'm hoping to sort the items returned in the following query by the order they're entered into the IN() function.
INPUT:
SELECT id, name FROM mytable WHERE name IN ('B', 'A', 'D', 'E', 'C');
OUTPUT:
| id | name |
^--------^---------^
| 5 …

Matt
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127
votes
2 answers
C# generic "where constraint" with "any generic type" definition?
Let me give example:
I have some generic class/interface definition:
interface IGenericCar< T > {...}
I have another class/interface that I want to relate with class above, for example:
interface IGarrage< TCar > : where TCar: IGenericCar< (**any…

Nenad
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117
votes
6 answers
MySQL select with CONCAT condition
I'm trying to compile this in my mind.. i have a table with firstname and lastname fields
and i have a string like "Bob Jones" or "Bob Michael Jones" and several others.
the thing is, i have for example
Bob in firstname, and
Michael Jones in…

Alex K
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114
votes
15 answers
Get only records created today in laravel
How do I use the created_at field to get only the records that were created today and no other day or time?
I was thinking of a ->where('created_at', '>=', Carbon::now()) But Im not sure that would work.

TheWebs
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110
votes
6 answers
How to write a SQL DELETE statement with a SELECT statement in the WHERE clause?
Database: Sybase Advantage 11
On my quest to normalize data, I am trying to delete the results I get from this SELECT statement:
SELECT tableA.entitynum
FROM tableA q
INNER JOIN tableB u on (u.qlabel = q.entityrole AND u.fieldnum = q.fieldnum)…

LuiCami
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109
votes
3 answers
querying WHERE condition to character length?
I have a database with a large number of words but i want to select only those records where the character length is equal to a given number (in example case 3):
$query = ("SELECT * FROM $db WHERE conditions AND length = 3");
But this does not…

faq
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109
votes
4 answers
Filter Table Before Applying Left Join
I have 2 tables, I want to filter the 1 table before the 2 tables are joined together.
Customer Table:
╔══════════╦═══════╗
║ Customer ║ State ║
╠══════════╬═══════╣
║ A ║ S ║
║ B ║ V ║
║ C ║ L ║
…

Tom Jenkin
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108
votes
10 answers
SQL WHERE condition is not equal to?
Is it possible to negate a where clause?
e.g.
DELETE * FROM table WHERE id != 2;

Frank Vilea
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106
votes
6 answers
"Or" equivalent in Linq Where() lambda expression
Is there a method in Linq where you can use to build SQL strings like "...where (a=1) OR (a=2)"?

dstr
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106
votes
7 answers
SQL server ignore case in a where expression
How do I construct a SQL query (MS SQL Server) where the "where" clause is case-insensitive?
SELECT * FROM myTable WHERE myField = 'sOmeVal'
I want the results to come back ignoring the case

Raul Agrait
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93
votes
12 answers
SELECTING with multiple WHERE conditions on same column
Ok, I think I might be overlooking something obvious/simple here... but I need to write a query that returns only records that match multiple criteria on the same column...
My table is a very simple linking setup for applying flags to a user ...
ID …

RyanNehring
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90
votes
5 answers
EF: Include with where clause
As the title suggest I am looking for a way to do a where clause in combination with an include.
Here is my situations:
I am responsible for the support of a large application full of code smells.
Changing too much code causes bugs everywhere so I…

Beejee
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89
votes
6 answers
Conditional WHERE clause in SQL Server
I am creating a SQL query in which I need a conditional where clause.
It should be something like this:
SELECT
DateAppr,
TimeAppr,
TAT,
LaserLTR,
Permit,
LtrPrinter,
JobName,
JobNumber,
JobDesc,
ActQty,
…
user2721874
86
votes
4 answers
In Haskell, when do we use in with let?
In the following code, the last phrase I can put an in in front. Will it change anything?
Another question: If I decide to put in in front of the last phrase, do I need to indent it?
I tried without indenting and hugs complains
Last generator in…

McBear Holden
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83
votes
2 answers
pandas equivalent of np.where
np.where has the semantics of a vectorized if/else (similar to Apache Spark's when/otherwise DataFrame method). I know that I can use np.where on pandas.Series, but pandas often defines its own API to use instead of raw numpy functions, which is…

max
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