China National University of Petroleum held an academic seminar on "The Theory of the Whole Oil and Gas System and the Development Direction of Petroleum Geology"
Source: China Education News NetworkChina Education Daily - China Education News Network News (Correspondent Jiang Fujie) The first academic seminar on the theory of the entire oil and gas system and the development direction of petroleum geology, jointly organized by the Unconventional Oil and Gas Professional Committee of the Chinese Geological Society, the Petroleum Geology Professional Committee of the Chinese Petroleum Society, and the China University of Petroleum (Beijing), was recently held. The conference lasts for two days and the theme is "Theory of the Whole Oil and Gas System and New Fields of Oil and Gas Exploration"...
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The internet celebrity who has quickly become popular but is now "cool": some people are carrying 600 million yuan in debt, while others are still struggling
In this era where traffic is king, the rise and decline of internet celebrities are often overwhelming.They attract fans in various ways and fight for more attention by any means possible...
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Who says cheap is not good? A brand new cost-effective phone that does not accept any doubts and offers a truly enjoyable experience
05 Xia Yun.mp32:29From audio game geekIn terms of positioning and price, OPPOA2Pro is a typical cost-effective and practical digital product, with a slightly strong sense of technology and excellent experience in all aspects,After all, it is a product of relatively mainstream brands in the current mobile phone marketHowever, although it was mentioned earlier that the experience of this machine is very good, you need to have a clear understanding that OPPOA2Pro is definitely different from flagship and mid-range machines...
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Top 500 Chinese Private Enterprises Listed: Huawei ranks 5th, Hengli ranks 3rd, and Alibaba ranks 2nd. Who is the top ranked company?
The development of the national economy has also provided a good environment for enterprises. Many enterprises have taken advantage of the east wind to quickly rise and occupy the market...
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Did Zhang Xuhao, who sold him to Jack Ma five years ago and cashed out 66.5 billion yuan, regret it now?
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Ma Yun asked Dong Mingzhu: Will you be attracted to a man like me? Dong Mingzhu's answer was praised by the whole audience
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July 20th: Who dares to bully China? This is the end!
Before reading this article, please click on "Follow" to facilitate your discussion and sharing, as well as bring you a different sense of participation. Thank you for your support!Recently, some important events have occurred on the international stage, causing global attention and heated discussion...
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China has another "Qian Xuesen", who refused the US millions of annual salary and returned home with more than 30 patents!
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Ask for trouble! What will happen to the aviation giant who would rather lay off 9000 people than transfer technology to China
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Facts have proven that Jack Ma, who "traveled far to Japan" at the age of 59, has embarked on another path of life
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Facts have proven that Jack Ma, who settled in Japan at the age of 59, has embarked on another "grand road"
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New Technical Director: Discovered who is using delete to delete data and directly fired!
delete Mysql MySQL delete MySQL MySQL MySQL MySQL MySQL InnoDBMyISAMMemory BMySQL MySQL 16KBMySQL MySQL B B MySQL MySQL MySQL ACID MySQL MySQL MySQL MySQL deletetruncatedrop drop > truncate >> DELETEDELETEDELETE from TABLE_NAME where xxxDELETE DMLtrigger InnoDB DELETEmysql delete ** DELETErollback segementcommit;delete from table_name,MyISAM InnoDB ;delete from table_name where xxx , InnoDBMyISAM;delete optimize table table_name InnoDBMyISAM deleteoptimize table SQLMcsjdemodemo2select concat(round(sum(DATA_LENGTH/1024/1024),2),'M') as table_size from information_schema.tables where table_schema='csjdemo' AND table_name='demo2';Sizeoptimize table demo2sizedelete redoundo rollback) dropDrop table TablenameDDLTruncate drop table table_name InnoDB MyISAM; drop (constrain)(trigger)(index); /, invalid drop deletetruncatedroptruncateDDL rollback segment trigger truncate table table_name InnoDBMyISAM truncate tabledrop table creat,create table drop table;truncate auto_incrementMyISAMtruncateauto_increment1deleteauto_incrementInnoDBtruncateauto_increment1deleteauto_incrementdeleteMySQLauto_increment1InnoDB auto_incrementdelete auto_increment1auto_increment SELECT 1+MAX(ai_col) FROM t truncateDELETE DELETEDELETEInnoDBdeletedeleteInnoDBInnoDBtablespace > segmentinode > Extent >PageInnodbsegmentextentsegmentFREE_PAGE32page32page1extent1extent32MBextent32MB4extentMySQLdata pageMySQL CrashInnodbInnoDBUndo****MySQLinformation_schema****innodb_file_per_table=1table_name...
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