historical person

Use flashback to view historical data of the Oracle table 1. View historical data of the table select * fromtab_testASOFTIMESTAMPto_timestamp ( Use flashback to view historical data OF the Oracle table 1. View historical data OF the table select * from tab_test as of timestamp to_timestamp ( Use flashback to view

How to estimate the historical growth of oracle databases and database objects ----- Database growth in the last seven days. This is only an estimate. Select sum (space_used_total)/1024/1024/1024 "last 7 days db increase-G"FromDba_hist_seg_stat s,Dba_hist_seg_stat_obj o,Dba_hist_snapshot snWhereS. obj # = o. obj #AndSn. snap_id = s. snap_idAnd begin_interval_time> sysdate-8OrderBegin_interval_time/ Here are two similar script scripts: Scripts: View

The C ++ Builder Menu displays the list of historical files-Linux general technology-Linux programming and kernel information. For more information, see the following. This section describes how to display a list of historical files in a menu in a Windows environment and describes how to use the TRegistry Class. Currently, many Windows applications have the following function: You can view recently accesse

Guide If you use the Linux command line frequently, then using the history command can effectively improve your efficiency, this article will introduce you to the 15 uses of the historical command in the form of an instance. displaying timestamps using HisttimeformatWhen you execute the history command from the command line, you will usually only show the ordinal of the executed command and the command itself, and if you want to see th

Today, when using Dbus to implement RPC, it is found that the parameters passed and returned by the remote method are not correct, and the previous few days have been tested obviously normal. So it's natural to think back to the historical version and test it again, to confirm that the test environment has changed, or that the code is being modified.But how to take out the historical version? Not very good

[Shell] basic Shell functions: Historical commands aliases, and basic shell functions Bytes -------------------------------------------------------------------------------------------------------- I. History commands 　　History# View historical commands 　　History-c# Clear history commands 　　History-w# Directly write the history commands in the cache into the history command to save the file ~ /. Bash_hist

Jinshan Poison PA's historical traces cleaning tool can help you to completely eliminate these content, the unique multiple cleaning mode can better meet the needs of different computer users. (Note: This feature is temporarily not supported on 64-bit operating systems) Golden Hill Poison Tyrants clean up historical traces step: 1, in the "Security visionary" main interface click the "

An article that helps you understand the historical origins of iOS and Android, iosandroid Although smartphones are mobile phones, we can use them as smaller computers. This will also display the high performance of the Smartphone OS. Let's first review the history of the Smartphone OS. 　　Dawn of OS As a matter of fact, the idea has been long before, that is, running OS on a small computer terminal that can be conveniently carried like a smartphone. A

Software design requires a Historical View Wu Yu Taiyan Network Studio During the National Day holiday, I went to visit Zhao zhouqiao, which is described in our elementary school textbooks. The arch bridge that has existed for more than 1400 years. To be more precise, Zhao zhouqiao was established in 605 AD and was established in 1407. In the meantime, it has experienced 10 floods, 8 wars and multiple earthquakes. So far, the bridge has been repaired

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

Oracle AWR threshold affects the historical execution plan. Some netizens recently mentioned why the historical execution plan of SQL statements cannot be viewed in dba_hist_ SQL _plan. This problem is caused by default, the threshold value set by Oracle does not capture all SQL statements, so it is normal to see some historical SQL Execution plans. In Oracle 9i,

Last month, I saw a series of articles about the originator of Linux-Linus's biography, "Just for Fun", whose human gadget can be very interesting in the course of his life, and deserves to be savored by every programmer.In fact, for me, although software development for many years, but very unfamiliar with Linux, just heard a few nouns. Not used Linux? Almost impossible, 80% of the world's smartphones are running Android, and as long as you've used Android, you've been using Linux indirectly be