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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Interview with President Jin Li of Fudan University: Both scientific research and education in universities should embrace AI
Reporter Sun Bing from China Economic Weekly | Beijing ReportWhile the public is still actively discussing how the AI big model will change university education and scientific research, Fudan University has already arranged a "magic tool" for all teachers and students in the school.On June 27th, the largest cloud based research and intelligent computing platform (CFFF) for domestic universities was officially launched at Fudan University...
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How to achieve all-round and all-weather monitoring of the "sky, sky, and sky"? Mount Wuyi National Park hand in intelligent answer sheet
The protection of the ecological environment cannot be separated from technological means. In the intelligent management center of Mount Wuyi National Park, through the comprehensive application of intelligent technology, it has realized the omni-directional and all-weather monitoring and management of the "heaven, earth and sky" of the park...
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The night route between Gyeongju and Yanji in Jilin, South Korea is open
The police conduct border checks on incoming passengers. Ma Xinyun PhotographyChina News Network, Yanji, Jilin, July 13 (Zhang Yao, Ma Xinyun) At 22:52 on July 12, flight CZ5246 from Qingzhou, South Korea to Yanji, Jilin arrived at Yanji Chaoyangchuan International Airport, marking the official opening of another International flight from Yanji to South Korea...
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'Leisure Fish' conceals erotic chatting and paid likes Staff: The platform cannot monitor private chats, and if users report it, it will be removed from the shelves for processing
Poster reporter Li Zijiang reportsRecently, the news of "second-hand trading platforms selling children" has hit the hot search, sparking a discussion among netizens about the topic of "what is being sold on the Xianyu app, a second-hand trading platform involved in the matter".The poster news reporter noticed that the "products" traded on the Xianyu app involve idle items, game training, internet technology, tourism strategies, and other fields, but there are also hidden services such as pornographic chat and paid likes from the navy...
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Water Drops has been listed in the United States, and Shen Peng stated that Water Drops has never been a charitable organization
#Headline article development plan # Nurturing water drop fundraising has been launched in the United States, but it has slapped us poor in the face. Who is it sucking blood from?In recent years, help seeking information on social media has frequently appeared, and people who click on it have found that it is a serious illness call for help message initiated by the Water Drops public platform...
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62 years ago, the United States sent a chimpanzee into space and after returning to Earth, it discovered something was wrong
After World War II, the United States and the Soviet Union began the Cold War, competing in multiple fields, including space. The Space Race began in the early 1960s, when the Soviet Union took the lead in completing the first manned space flight mission and successfully put Yuri Gagarin into orbit...
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The third batch of astronauts, Guihai Tide, has four "unique" features
The three astronauts of Shenzhou 16 went on an expedition to join forces in China's space station for the second time, and the whole country celebrated,The veteran summarized that the third batch of astronauts, the Gui Hai Tide, had four "unique" characteristics:One is the first astronaut to wear glasses. At present, the first, second, and third batches of astronauts have already fought in space...
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Liu Yang, the first female astronaut in China, studied for a PhD at Tsinghua University during pregnancy and explained two things to her husband before flying
As the first female astronaut in China to go into space and successfully return to land, Liu Yang's abilities and excellence are evident to everyone.Liu Yang, born in Linzhou, Henan Province in 1978, was selected as the second batch of Chinese astronauts in May 2010...
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Analysis of the Causes of China Eastern Airlines MU5735 Crash: Why is the Death Rate of Air Accidents infinitely close to 100%?
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Scientists Develop New Genetic Techniques to Stop Mosquitoes that Spread Malaria
Malaria remains one of the deadliest diseases in the world. Every year, malaria infection causes hundreds of thousands of deaths, most of which occur in children under the age of five...
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The coolness that comes from "burning" in the boiler
On July 11, the stoker in the comprehensive workshop of Shanghai railway station was adding salt to the salt pool of the ion exchanger. In the morning, the stokers in the comprehensive workshop of Shanghai railway station were busy...
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