how to run sql profiler

', CS ' execution time (seconds) ' From (select Sql_text, elapsed_time/1000000 C_t,executions,ceil (executions/(elapsed_time/1000000)) Cs,buffer_gets, Rank () Over (order by buffer_gets Desc) top_mem From V$sqlarea) where Top_mem --View the Lock table statement Select C.sid, c.serial#, D.name, B.object_name, C.username, C.program, C.osuser From Gv$locked_object A, all_objects B, Gv$session C, audit_actions D where a.object_id = b.object_id and a.inst_id = c.inst_id (+) and a.session_id = C.sid

of course use parameterization: JMeter parameterization): 2. Reference in SQL query using ${variable name}: SELECT * FROM test where name= ' ${name} ' Method (ii), use in SQL query "? "As a placeholder and pass the parameter value and the parameter type, as shown in: 1, passed the parameter value is a constant, passing 2 variables, multiple variables using "," separated. If you have data that is of type

Looked at the cloud Habitat Community online Many articles, sorted out the following steps, basically can be said to be the end of the solution, here to the detailed collation, hoping to help the updated friends, so that our server more secure. Cloud Habitat community dedication. The first is that everyone has installed the SQL Server Enterprise Edition. The first step: Win2003 MSSQL to run security setti

Microsoft Visual Studio .Net provides two MSDE installers. One is provided with the regular Visual Studio .Net installer, which creates an instance of SQL called MSSQL$VSdotNET. Another MSDE installer is provided with the .Net Framework SDK, which creates an instance of SQL called MSSQL$NetSDK. This update is intended only for machines that have an instance of MSSQL$NetSDK installed. To check if an MSSQL$N

fall, or it will be problematic, in the development of the execution of the account, you have to be the system database has a corresponding account, can not get a name, which Requires that you set a corresponding account name in database security and configure it with role permissions.To do this, the entire process is almost there, so we can view the results of the report:Alas, the whole process of walking through the ~ ~ in the middle of what may appear in the Assembly can not find the problem

parallel query, the exchange operator is inserted into the query execution plan to prepare for the parallel query. So which statements need to use parallel queries, which do not need, this does not concern the database administrator. The database query optimizer helps the administrator make this decision. The database administrator needs to be clear about the circumstances in which the database SQL Optimizer considers it inappropriate to use paralle

SQL Lunar transformation function (display Chinese format, add run month display) Create a lunar date functionIf object_id (' Fn_getlunar ') is not nullDrop function Fn_getlunarGoCreate function Dbo.fn_getlunar (@solarday datetime)Returns nvarchar (30)AsBeginDECLARE @soldata intDECLARE @offset intDECLARE @ilunar intDECLARE @i intDECLARE @j intDECLARE @ydays intDECLARE @mdays intDECLARE @mleap intDECLARE @m

Tags: record t-SQL run aggregate SQL related subquery subqueryRunning aggregations is the aggregation of values over time.In this example, we assume that there is a ordertotalbyyear view that shows the total number of orders by year and looks at the contents:Selectorderyear,qty fromordertotalbyyear output is as follows Orderqty 2007 25489 200816247 20069581 ass

,count (*) from the T GROUP by goods_id ORDER by NULL;8 Avoid random record fetchingSELECT * from T1 WHERE 1=1 ORDER by RAND () LIMIT 4;MySQL does not support function indexing, which causes full table scan-–>SELECT * from t1 WHERE ID >= ceil (RAND () *1000) LIMIT 4;9 prohibition of unnecessary order by orderingSELECT count (1) from the user u left JOIN user_info i to U.id = i.user_id WHERE 1 = 1 ORDER by U.create_time DESC;-–>SELECT count (1) from the user u left JOIN user_info i on u.id = i.us

----people in the use of SQL often fall into a misunderstanding, that is too focused on the results are correct, and ignore the different implementation methods may exist between Performance variance, which is particularly evident in large or complex database environments, such as online transaction processing OLTP or decision support system DSS Explicitly In the work practice, the author finds that bad SQL

Using the sqlcmd utility, you can enter Transact-SQL statements, system procedures, and script files at the command prompt, in the Query Editor in SQLCMD mode, in the Windows script file, or in the operating system (Cmd.exe) job step of the SQL Server agent job 。 This utility uses OLE DB to perform Transact-SQL batch processing.sqlcmd[{-U login_id [-p password]}

The author of the article gave great help to elder withered flourish, in order to express my gratitude.This applies to the Oracle DB version number, Oracle 10g, or later.It is important to say that this view is one of the AWRSQRPT reports is not in. is the filter_predicates column.SELECT Plan_hash_value,To_char (Rawtohex (child_address)), To_number (child_number), ID, Lpad (", DEPTH) | | Operation operation, Options, Object_owner, object_name, optimizer, cost, Access_predi Cates, filter_predicat

#!/bSTART=$(Date+%s);d Atebegin=`Date-D" $" "+%y%m%d"' DateEnd=`Date-D" $" "+%y%m%d"' Sdate=`Date-D"$datebegin-1 days" "+%y%m%d"` while["$datebegin"-le"$dateend" ] DoEcho$datebegin/usr/local/hivebi/bin/hiveEOF--Hive SQL Like:drop TABLE IF EXISTS yourdb.yourtablename; EOFdatebegin= ' date-d ' $datebegin +1 Day "+%y%m%d"Sdate= ' date-d ' $sdate +1 Day "+%y%m%d" Done END=$ (date +%s); Echo awk ' {print int ($1/3600): "Int ($1%3600/60)": "Int ($1%3600%60)

Method One: Use the tee in the mysql> promptMysql> Tee output.txtLogging to file ' Output.txt 'Mysql> noteeOutfile disabled.Ormysql> \ Output.txtLogging to file ' Output.txt 'mysql> \ tOutfile disabled.This spool function, similar to Sqlplus, allows you to save the results from the command line to an external file. If you specify a file that already exists, the result is appended to the file.Method Two: Use the--tee parameter of the MySQL command line tool$mysql--tee=ot.txtLogging to file ' Ot.t