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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...
How to return only the Date from a SQL Server DateTime datatype
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On SQL Server 2008 and higher, you should CONVERT to date:
SELECT CONVERT(date, getdate())
On older versions, you can do the following:
SELECT DATEADD(dd, 0, DATEDIFF(dd, 0, @your_date))
for example
SELECT DATEADD(dd, 0, ...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...等手段可真实测量用户响应时间，此外还可以报告谁正在使用某一应用、该应用的使用频率 以及用户所进行的事务处理过程是否成功完成。
快速定位应用系统性能故障：通过对应用系统各种组件（数据库、中间件）的监测，迅...
sql primary key and index
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You are right, it's confusing that SQL Server allows you to create duplicate indexes on the same field(s). But the fact that you can create another doesn't indicate that the PK index doesn't also already exist.
The additional index does no good, but the only ...
'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure
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I found the solution ! Just install the nuget package Microsoft.SqlServer.Types
PM> Install-Package Microsoft.SqlServer.Types
Link for more info
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How to connect to SQL Server database from JavaScript in the browser?
Can anybody give me some sample source code showing how to connect to a SQL Server 2005 database from JavaScript locally? I am learning web programming on my desktop.
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How do I create a parameterized SQL query? Why Should I?
I've heard that "everyone" is using parameterized SQL queries to protect against SQL injection attacks without having to vailidate every piece of user input.
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