DBCC FREESYSTEMCACHE ('ALL');
DBCC FREESESSIONCACHE;
DBCC FREEPROCCACHE;
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程式筆記本 把所使用過的程式與電腦問題記錄下來 我想把這裡串成一本活字典
USE AdventureWorks2008R2; --改成自己的DB
GO
SELECT TOP 5 query_stats.query_hash AS "Query Hash",
SUM(query_stats.total_worker_time) / SUM(query_stats.execution_count) AS "Avg CPU Time",
MIN(query_stats.statement_text) AS "Statement Text"
FROM
(SELECT QS.*,
SUBSTRING(ST.text, (QS.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(ST.text)
ELSE QS.statement_end_offset END
- QS.statement_start_offset)/2) + 1) AS statement_text
FROM sys.dm_exec_query_stats AS QS
CROSS APPLY sys.dm_exec_sql_text(QS.sql_handle) as ST) as query_stats
GROUP BY query_stats.query_hash
ORDER BY 2 DESC;
GO
IniFile ini = new IniFile(Application.StartupPath + "\\TestFile.ini");
textBox1.Text = ini.IniReadValue("Section1", "key1"); //讀檔
ini.IniWriteValue("123", "1234", "12345"); //存入
ListItem delList = new ListItem("離職人員", "員工編號");
DropDownList1.Items.Add(delList);
DropDownList1.SelectedIndex = DropDownList1.Items.IndexOf(DropDownList1.Items.FindByValue("員工編號"));
DropDownList1.SelectedIndex = DropDownList1.Items.IndexOf(DropDownList1.Items.FindByValue("2"));
use [資料庫名稱]
exec sp_helpuser
use [資料庫名稱]
exec sp_helprolemember 'db_owner'
use [資料庫名稱]
select * from sys.sql_logins
use master
EXEC sp_helpuser
use master
exec sp_helprolemember 'db_owner'
use master
select * from sys.sql_logins
protected void LinqDataSource_Selecting(object sender, LinqDataSourceSelectEventArgs e)
{
var cities = from city in citiesArray
where city.CompareTo("B") > 0
select city;
e.Result = cities;
// Or we could set e.Result = citiesArray to return all rows.
}