6u server case

Tags: details targe art BSP-logs number here keywordSELECT * from user_info WHERE USERNAME =: USERNAME;This way: The value of username is not case-sensitiveCause: The collation of the database is set to Chinese_prc_ci_as, which seems to be the default value?Processing method:Original: 79631156SELECT * from User_info WHERE USERNAME collate Chinese_PRC_CS_AS_WS =: USERNAME;Add the Collate chinese_prc_cs_as_ws.The meaning of the specific collation read

capture DECLARE @synchronization_version bigint DECLARE @this_version bigintdeclare @pid int =columnproperty (OBJECT _id (' dbo.t1 '), ' Sno ', ' ColumnId ') declare @a bigintdeclare @b bigintdeclare @c bigintset @synchronization_version = Change _tracking_current_version () Select @a=lvid from Veridrecordselect @b=nvid to Veridrecordselect @c=isover from Veridrecordif @synchronization_version > @bbeginif @c=1beginupdate veridrecord set lvid=nvidupdate veridrecord Set [ Emailprotected]_versions

SQL Server clustered indexes are converted in functions and even fail (CASE ), During the latest phase I optimization, the first N most time-consuming statements in the database are queried! SELECT TOP 10 qp.query_plan,qt.text,total_worker_time from sys.dm_exec_query_stats CROSS APPLY sys.dm_exec_sql_text(sql_handle) qt CROSS APPLY sys.dm_exec_query_plan(plan_handle) qp where qp.query_plan.exist('decl

#!/usr/bin/env python# _*_ Coding:utf-8 _*_# Author:mazhenkai#import OSImport ParamikoDef cat_ip_host_disk ():Stdin,stdout,stderr = Ssh.exec_command ("Ifconfig eth0|grep ' inet ' |awk-f ' [:] ' {print $13} '; Hostname;df-ht ',get_pty=True)Res,err = Stdout.read (), Stderr.read ()result = ResIf reselse err Print (Result.decode ())Def svn_listen ():Stdin,stdout,stderr = Ssh.exec_command ("Ifconfig eth0|grep ' inet ' |awk-f ' [:] ' {print $13} '; Hostname;df-ht ',get_pty=True)result = Stdout.read ()

Recently in the first phase of optimization, the database of the most time-consuming first n statements to query out!SELECT TOP qp.query_plan,qt.text,total_worker_time from sys.dm_exec_query_stats cross APPLY sys.dm_exec_ Sql_text (sql_handle) QT cross APPLY sys.dm_exec_query_plan (plan_handle) QP where Qp.query_plan.exist (' Declare namespace qplan= "Http://schemas.microsoft.com/sqlserver/2004/07/showplan"; qplan:relop[@LogicalOp = "Index Scan" or @LogicalOp = "