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How to set variables in HIVE scripts
I'm looking for the SQL equivalent of SET varname = value in Hive QL
9 Answers
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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
..._cleanup函数清理.
一般curl_easy_init意味着一个会话的开始. 它的返回值一般都用在easy系列的函数中.
5）void curl_easy_cleanup(CURL *handle);
描述:
这个调用用来结束一个会话.与curl_easy_init配合着用.
参数:
CURL类型的指针.
6）CURLcode curl_...
SQL update trigger only when column is modified
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Sorry for not mentioning that it was SQLServer. I needed to use the deleted table. I ended up writing to a separate table (to maintain a history).
– Walter de Jong
Aug 28 '12 at 1:58
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Performing Inserts and Updates with Dapper
...= "dapper test", id = 23 }); and it worked. Without the use of SET I get a SQLException syntax error near sCategory.
– Pricey
Nov 29 '12 at 23:39
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'Contains()' workaround using Linq to Entities?
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You can fall back on hand coding some e-sql (note the keyword "it"):
return CurrentDataSource.Product.Where("it.ID IN {4,5,6}");
Here is the code that I used to generate some e-sql from a collection, YMMV:
string[] ids = orders.Select(x=>x.ProductID.ToStrin...
MongoDB Many-to-Many Association
... part is I need to setup both ends of the association then. When doing the SQL way, adding a UserRole will make the User know about the Role and the Role know about the User. This way means I'll have to set the Role on the User, and the User on the Role. I guess that's fine though.
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How to apply bindValue method in LIMIT clause?
...that LIMIT and OFFSET are features that were glued on AFTER all this PHP/MYSQL/PDO madness hit the dev circuit... In fact, I believe it was Lerdorf himself who oversaw LIMIT implementation a few years back. No, it doesn't answer the question, but it does indicate that it's an aftermarket add-on, and...
What is the recommended batch size for SqlBulkCopy?
What is the recommended batch size for SqlBulkCopy ? I'm looking for a general formula I can use as a starting point for performance tuning.
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The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value
...zed DateTime, which is set to 0001-01-01, which is outside of the range of SQL Server's DATETIME.
Rather than using ApplyPropertyChanges, I'd suggest retrieving the object being modified, change the specific fields your form edits, then saving the object with those modifications; that way, only cha...
Can I use CASE statement in a JOIN condition?
The following image is a part of Microsoft SQL Server 2008 R2 System Views. From the image we can see that the relationship between sys.partitions and sys.allocation_units depends on the value of sys.allocation_units.type . So to join them together I would write something similar to this:
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