大约有 43,000 项符合查询结果（耗时：0.0098秒） [XML]
How do I use the CONCAT function in SQL Server 2008 R2?
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You can use SELECT {fn concat ('foo', 'bar')}; in previous versions. Only accepts 2 parameters though.
– Martin Smith
May 11 '12 at 11:22
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How to solve Permission denied (publickey) error when using Git?
...oo. Thanks. In order to clone my git repo onto my shared hosting account (1and1) I had to use git clone https://github.com/MyUserName/MyRepo.git Simply click on the text links beneath the repo URL to the right of the Github page where it says "You can clone with HTTPS, SSH, or Subversion.". ...
Return Boolean Value on SQL Select Statement
How to return a boolean value on SQL Select Statement?
9 Answers
9
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Select SQL Server database size
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Try this one -
Query:
SELECT
database_name = DB_NAME(database_id)
, log_size_mb = CAST(SUM(CASE WHEN type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(8,2))
, row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) ...
How can I select the first day of a month in SQL?
I just need to select the first day of the month of a given datetime variable.
30 Answers
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How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
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select 'abcd' + ltrim(str(1)) + ltrim(str(2))
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How to create Temp table with SELECT * INTO tempTable FROM CTE Query
...Time,
EventRecurring Bit,
EventType int
)
;WITH Calendar
AS (SELECT /*...*/)
Insert Into #Temp
Select EventID, EventStartDate, EventEndDate, PlannedDate as [EventDates], Cast(PlannedDate As datetime) AS DT, Cast(EventStartTime As time) AS ST,Cast(EventEndTime As time) AS ET, EventTitl...
Select n random rows from SQL Server table
I've got a SQL Server table with about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and ...
How do I convert an enum to a list in C#? [duplicate]
...er way:
Enum.GetValues(typeof(SomeEnum))
.Cast<SomeEnum>()
.Select(v => v.ToString())
.ToList();
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How to calculate percentage with a SQL statement
...ultiplication of 100 in the wrong place and had some missing parenthesis.
Select Grade, (Count(Grade)* 100 / (Select Count(*) From MyTable)) as Score
From MyTable
Group By Grade
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