大约有 6,000 项符合查询结果（耗时：0.0194秒） [XML]
Is it possible to use raw SQL within a Spring Repository
I need to use raw SQL within a Spring Data Repository, is this possible? Everything I see around @Query is always entity based.
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Query to list number of records in each table in a database
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If you're using SQL Server 2005 and up, you can also use this:
SELECT
t.NAME AS TableName,
i.name as indexName,
p.[Rows],
sum(a.total_pages) as TotalPages,
sum(a.used_pages) as UsedPages,
sum(a.data_pages) as Data...
SQL: How to get the count of each distinct value in a column?
I have a SQL table called "posts" that looks like this:
1 Answer
1
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MySQL/SQL: Group by date only on a Datetime column
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Are you sure the second one works? On SQL Server, this fails, and it fails for a good reason. I would expect it to fail anywhere else as well. Can you confirm that MySQL actually handles this query?
– Tomalak
Dec 14 '08 at 1...
Should programmers use SSIS, and if so, why? [closed]
...points where the abstractions break down. To figure out what each "Execute SQL Task" or "Foreach Loop" does, I have to double click the damned thing and browse through a tree of literal values and expressions, scattered across multiple tabs.
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How to use SQL Order By statement to sort results case insensitive?
I have a SQLite database that I am trying to sort by Alphabetical order. The problem is, SQLite doesn't seem to consider A=a during sorting, thus I get results like this:
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Difference between Select Unique and Select Distinct
I thought these were synonomous, but I wrote the following in Microsoft SQL:
5 Answers
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how do I query sql for a latest record date for each user
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When working with postgresql would this version be faster than using an IN (subquery) instead of the inner join?
– TheOne
Sep 7 '14 at 1:38
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How to write a foreach in SQL Server?
... an email or write to a file) rather than just shuffle stuff around within SQL, you need to use a cursor or something similar (not set logic). Likely people who come to SQL and try to do something RBAR they are coming to it as a programmer who needs it to do something useful like this.
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
...DbEntityValidationException, DbUpdateException, datetime2 range errors (MS SQL), and include key of invalid entity in message (useful when savind many entities at one SaveChanges call).
First, override SaveChanges in DbContext class:
public class AppDbContext : DbContext
{
public override int ...