大约有 531 项符合查询结果（耗时：0.0218秒） [XML]
Combining “LIKE” and “IN” for SQL Server [duplicate]
... table t INNER JOIN
(
SELECT 'Text%' Col
UNION SELECT 'Link%'
UNION SELECT 'Hello%'
UNION SELECT '%World%'
) List ON t.COLUMN LIKE List.Col
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Database development mistakes made by application developers [closed]
...iews in the first place is ignorant, even dangerous.
13. Over-reliance on UNION ALL and particularly UNION constructs
A UNION in SQL terms merely concatenates congruent data sets, meaning they have the same type and number of columns. The difference between them is that UNION ALL is a simple conc...
How to truncate string using SQL server
...this is a long string. One that is longer than 15 characters' as col
UNION
SELECT 'short string' AS col
UNION
SELECT 'string==15 char' AS col
UNION
SELECT NULL AS col
UNION
SELECT '' AS col
) x
) y
...
Can a C++ enum class have methods?
...
A union is not what John Doe would consider a class, too. Yet they can have member functions. And classes are really not mandatory for member functions. Using a designator like value or this, something like enum Size { Huge, Me...
How do I find a stored procedure containing ?
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I took Kashif's answer and union'd all of them together. Strangely, sometimes, I found results in one of the selects but not the other. So to be safe, I run all 3 when I'm looking for something. Hope this helps:
DECLARE @SearchText varchar(1000) = 'my...
SQL Server : Columns to Rows
...types prior to applying the unpivot.
You could also use CROSS APPLY with UNION ALL to convert the columns:
select id, entityid,
indicatorname,
indicatorvalue
from yourtable
cross apply
(
select 'Indicator1', Indicator1 union all
select 'Indicator2', Indicator2 union all
select 'Indicato...
1052: Column 'id' in field list is ambiguous
...
What you are probably really wanting to do here is use the union operator like this:
(select ID from Logo where AccountID = 1 and Rendered = 'True')
union
(select ID from Design where AccountID = 1 and Rendered = 'True')
order by ID limit 0, 51
Here's the docs for it https:/...
Merging two arrays in .NET
...ew[] { 1, 2, 3, 4, 5 };
var arr2 = new[] { 6, 7, 8, 9, 0 };
var arr = arr1.Union(arr2).ToArray();
Keep in mind, this will remove duplicates. If you want to keep duplicates, use Concat.
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Define variable to use with IN operator (T-SQL)
...e IN clause.
DECLARE @list TABLE (Id INT)
INSERT INTO @list(Id)
SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4
SELECT
*
FROM
myTable
JOIN @list l ON myTable.myColumn = l.Id
SELECT
*
FROM
myTable
WHERE
myColumn IN (SELECT Id FROM @list)
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Array.push() if does not exist?
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Use a js library like underscore.js for these reasons exactly. Use: union: Computes the union of the passed-in arrays: the list of unique items, in order, that are present in one or more of the arrays.
_.union([1, 2, 3], [101, 2, 1, 10], [2, 1]);
=> [1, 2, 3, 101, 10]
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