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再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C++内核技术
...eber]标记的类和属性会被DataContractSerializer序列化。在WCF中使用Contract模式来分辨和指定序列化/反序列化的类型,它是通过http://xmlns/Class这样的命名空间来标识这个序列化的对象的,一旦在序列化过程中无法找到这样的标识(比如...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C++内核技术
...eber]标记的类和属性会被DataContractSerializer序列化。在WCF中使用Contract模式来分辨和指定序列化/反序列化的类型,它是通过http://xmlns/Class这样的命名空间来标识这个序列化的对象的,一旦在序列化过程中无法找到这样的标识(比如...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注C/C++及内核技术
...eber]标记的类和属性会被DataContractSerializer序列化。在WCF中使用Contract模式来分辨和指定序列化/反序列化的类型,它是通过http://xmlns/Class这样的命名空间来标识这个序列化的对象的,一旦在序列化过程中无法找到这样的标识(比如...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注C/C++及内核技术
...eber]标记的类和属性会被DataContractSerializer序列化。在WCF中使用Contract模式来分辨和指定序列化/反序列化的类型,它是通过http://xmlns/Class这样的命名空间来标识这个序列化的对象的,一旦在序列化过程中无法找到这样的标识(比如...
SQL Server Linked Server Example Query
... not possible then you need to look at the various things that would cause SQL server to have to load the entire table locally. For example using GETDATE() or even certain joins. Others performance killers include not giving appropriate rights.
See http://thomaslarock.com/2013/05/top-3-performanc...
Rails 3 execute custom sql query without a model
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github.com/igorkasyanchuk/execute_sql less code is needed plus you can do it in directly rails console
– Igor Kasyanchuk
Mar 13 '19 at 21:58
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Convert LocalDate to LocalDateTime or java.sql.Timestamp
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JodaTime
To convert JodaTime's org.joda.time.LocalDate to java.sql.Timestamp, just do
Timestamp timestamp = new Timestamp(localDate.toDateTimeAtStartOfDay().getMillis());
To convert JodaTime's org.joda.time.LocalDateTime to java.sql.Timestamp, just do
Timestamp timestamp = new Timestamp...
Case insensitive searching in Oracle
...ring comparisons by setting the NLS_COMP and NLS_SORT session parameters:
SQL> SET HEADING OFF
SQL> SELECT *
2 FROM NLS_SESSION_PARAMETERS
3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT');
NLS_SORT
BINARY
NLS_COMP
BINARY
SQL>
SQL> SELECT CASE WHEN 'abc'='ABC' THEN 1 ELSE 0 END AS...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
I'm trying to manually execute SQL commands so I can access procedures in NuoDB.
4 Answers
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How to export data as CSV format from SQL Server using sqlcmd?
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You can run something like this:
sqlcmd -S MyServer -d myDB -E -Q "select col1, col2, col3 from SomeTable"
-o "MyData.csv" -h-1 -s"," -w 700
-h-1 removes column name headers from the result
-s"," sets the column seperator to ,
-w 700 sets the row...