oanda historical

Tags: Oracle to hive historical data SQLULDR2 useIntroduce specific scenariosThere are several issues that need to be migrated from existing Oracle and imported into hive: 1. The existing Oracle database cannot be exported using the entire library, the database server does not have permissions, and 2, due to each data provider's upgrade, The Oracle database is updated in a way that adds fields without deleting the fields, and the table data structures

architecture. Improve Digital's CTO Garry Turkington in blog post said: Improve Digital has accumulated a wealth of SAMZA experience, which makes ImproveDigital uses SAMZA to build a powerful streaming data processing platform. In addition, it's great to be able to upgrade to Apache's top project Samza. The Samza is ideal for real-time streaming data processing (like Apache Storm), such as data tracking, log services, and real-time services, which can help developers with

Use Flashback to view Oracle Table historical moment data1. View the table history moment dataSELECT * from Tab_test as of TIMESTAMP to_timestamp (' 20140917 10:00:00 ', ' yyyymmdd hh24:mi:ss ');2. Use Flashback table to restore the tables to a certain time in the pastALTER TABLE tab_test enable row movement;Flashback table Tab_test to timestamp (' 20140917 10:00:00 ', ' yyyymmdd hh24:mi:ss ');ALTER TABLE tab_test disable row movement;3. Check the ope

10. HistoryYou can view the command history, and each command will have a serial number marked in front of it.10.1.1 Command syntax:History [Options]10.1.2 option ParametersHistory command option parameter meaningOption option meaning-C Purge Command history-W Let Bash immediately write the history command from memory to the. bash_history file-A writes the currently added history command to the. bash_history filen Displays the last n command history, n represents the number-R reads the contents

The total URL is: http://releases.ubuntu.com/releases/　　For example, if you choose Ubuntukylin, click　　http://cdimage.ubuntu.com/ubuntukylin/releases/　　Other, similar. No more repeating.　　Ubuntu11.10 with graphical installation steps Ubuntukylin-14.04-desktop (with zoning) detailed instructions Ubuntukylin-14.04-desktop ( Without partitioning) installation steps in VMware ubuntukylin-14.04-desktop VMware Tools Installation Graphics Ubuntu14.04 some configuration after installation　　　　Ubuntu edit

Sometimes we always meet when we need eclipse and can't find it in time.So those useful links,Is the best way to help us find the version we want in time Eclipse 3.1 Io[, Yi Ao] 2005 http://archive.eclipse.org/eclipse/downloads/drops/R-3.1-200506271435/ Eclipse 3.2 callisto[Europa Four, Calisto] 2006 http://archive.eclipse.org/eclipse/downloads/drops/R-3.2-200606291905/ Eclipse 3.3 Eruopa[, Europa] 2007 Http:/

Command formatHistory [-c] [-D offset] [n]HISTORY-ANRW [filename]History-ps arg [arg...]Command parameters-CClears the History list.-D OffsetDelete the history entry numbered as offset.NDisplays the most recent N records.History extension Sequence Behavior !! Repeats the last command executed. Pressing the UP ARROW key and pressing the Enter key also enables the same functionality and is more consistent with the operating habits. !number

Historical recordsHistory of the records of Zongzi, the earliest seen in the Han Dynasty Xu Shen's "said the text to solve the word." "Dumpling" in the word "糉", "said the new attached to the Rice department" that "糉, Lu ye wrapped rice also." From metres, 葼 sound. "said Wen 夂": "葼, Shing also. "Righteousness for birds to fly when the feet of convergence." "Set rhyme and send Rhyme": "糉, jiao millet also." Or as a dumpling. ”Zongzi also known as "jiao

-----The growth of the database in the last seven days, this is only an estimate. Select SUM (space_used_total)/1024/1024/1024 "Last 7 days DB increase-g" From Dba_hist_seg_stat S, Dba_hist_seg_stat_obj O, Dba_hist_snapshot SN where s.obj# = o.obj# and sn.snap_id = s.snap_id and Begin_interval_time > Sysdate-8 ORDER BY Begin_interval_time / The following additional two scripts are similar to the Web: Scripts: View database History growth View Database History growth This is to c

According to the actual business needs, many of the data need to be permanently saved, and not with the subsequent changes in the data to affect other data, for example, the e-commerce system of orders, the order includes the price of the goods you bought 100,n days a May fall to 90, then your order price will be 90? How to solve? My answer is: Add the Price field directly in the order table and write the price every time the order record is generated. I think if a field like "price" is too much

Tags: Flash back query1. View the table history moment dataSELECT * from Tab_test as of TIMESTAMP to_timestamp (' 20140917 10:00:00 ', ' yyyymmdd hh24:mi:ss ');2. Use Flashback table to restore the tables to a certain time in the pastALTER TABLE tab_test enable row movement; Flashback table Tab_test to timestamp (' 20140917 10:00:00 ', ' yyyymmdd hh24:mi:ss '); ALTER TABLE tab_test disable row movemen T3. Check the operation of the table for a certain period of time in the past to confirm the po

In linux, the history Command displays historical Command Records. The History Command is mainly used to display historical Command Records and issue commands in historical records. 1 gt; History command syntax: [test @ linux] # history [n] [test @ linux] # history [-c] [test @ linux]... in linux, the history Command displays

. Pay special attention to the conditions of use of the propagation_nested: when using the JDBC 3.0 driver, only Datasourcetransactionmanager is supported as the transaction manager. A JDBC-driven Java.sql.Savepoint class is required. There are some JTA transaction manager implementations that may also provide the same functionality. With propagation_nested, you also need to set Platformtransactionmanager's Nestedtransactionallowed property to true; The Nestedtransactionallowed property value de

Article Title: delete historical records in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Note: If the target is a linux server during intrusion, do not forget the history of the history command. 1. Modify/etc/profile and change HISTSIZE = 1000 to 0 or 1. Clear the user home path. Bash_history 2. immed

',Defaultseriestype: 'spline ',Marginright: 10,Zoomtype: 'X ',Events :{Load: function (){VaR series = This. Series [0];}}},Title :{Text: 'historical data curve'},Xaxis :{Type: 'datetime ',Tickpixelinterval: 100,Datetimelabelformats:{Minute: '% E. % B % H: % m ',Hour: '% B/% E % H: % m ',Day: '% E/% B ',Week: '% E. % B ',Month: '% B % y ',Year: '% y'}},Yaxis :{Title :{Text: 'value'},Plotlines :[{Value: 0,Width: 1,Color: '#000000'}]},Tooltip :{Formatte

Some netizens recently mentioned why the historical execution plan of SQL statements cannot be viewed in dba_hist_ SQL _plan. This problem is due to the fact that the threshold value set by Oracle does not capture all SQL statements by default, therefore, it is normal to see some SQL history execution plans. In Oracle 9i, we can set different snapshot levels to obtain detailed information of different degrees. You can also separately configure the SQL

~ /. Bash_history -R: Read the content of histfiles to the history Memory of the current shell; -W: Write the Current history Memory to histfiles! Example 1: List all history memories in the current Memory [Root @ instructor Desktop] # history # Omitted earlier 1017 man bash 1018 ll 1019 history 1020 history The information listed is divided into two columns. The first column is the code of the command in this shell, and the other is the content of the command itself! The number of Command reco

PHP Cookei code that records the user's historical browsing information, phpcookei [Basics] Common Cookie methods: $ _ COOKIE ['recordluhuidudu'] to get the CookieSetcookie ('recordluidudu', ", time ()-3600*24*30); setcookie (field name, Data, expiration time); Set Cookie Note] To reset a Cookie, you need to invalidate the previous Cookie. The same method is also used to delete the Cookie:Setcookie ('recordluidudu', ", time ()-3600*24*30 ); [Sample Co

Some netizens recently mentioned why the historical execution plan of SQL statements cannot be viewed in dba_hist_ SQL _plan. This problem is due to the fact that the threshold value set by Oracle does not capture all SQL statements by default, therefore, it is normal to see some SQL history execution plans. In Oracle 9i, we can set different snapshot levels to obtain detailed information of different degrees. You can also separately configure the SQL

It is inconvenient to use SQL * Plus on Linux, that is, there is no historical callback function. For SQL * Plus on Windows, you can use the "Up and down" arrow to call commands that have been used before. It is quite convenient to modify, edit, and repeat previous commands. How can this problem be solved?The answer is to install a tool: UnireadUniread installation requirements1. Perl must be installed on Linux2. Install the readline, Term, and IO too