大约有 40,000 项符合查询结果（耗时：0.0379秒） [XML]
It has a DefiningQuery but no InsertFunction element… err
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Well when a table is encountered without a PrimaryKey it is treated as a View.
And views show up in the EDMX file (open in an XML editor to see) in the StorageModel\EntitySet[n]\DefiningQuery element.
When you have a DefiningQuery the ...
What is __gxx_personality_v0 for?
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It is used in the stack unwiding tables, which you can see for instance in the assembly output of my answer to another question. As mentioned on that answer, its use is defined by the Itanium C++ ABI, where it is called the Personality Routine.
The reason i...
What's wrong with foreign keys?
...s
you can get nice "on delete cascade" behavior, automatically cleaning up tables
knowing about the relationships between tables in the database helps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality.
FKs give a pretty big hi...
CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
CREATE TABLE IF NOT EXISTS works on mysql but fails with SQL Server 2008 R2.
What is the equivalent syntax?
1 Answer
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String literals and escape characters in postgresql
Attempting to insert an escape character into a table results in a warning.
5 Answers
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What are POD types in C++?
...l be no "magic" going on in the structure: for example hidden pointers to vtables, offsets that get applied to the address when it is cast to other types (at least if the target's POD too), constructors, or destructors. Roughly speaking, a type is a POD when the only things in it are built-in types ...
How to split a comma-separated value to columns
I have a table like this
36 Answers
36
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What does ON [PRIMARY] mean?
...ult one, which is always created, and so the SQL you've given creates your table ON the PRIMARY file group.
See MSDN for the full syntax.
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How to read a CSV file into a .NET Datatable
How can I load a CSV file into a System.Data.DataTable , creating the datatable based on the CSV file?
22 Answers
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printf with std::string?
...has a place that can't easily be filled by C++ syntactic features, just as table structures in html have a place that can't easily be filled by divs. As Dykstra wrote later about the goto, he didn't intend to start a religion and was really only arguing against using it as a kludge to make up for p...