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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Urban Highway Hidden Underground | Discovering the Great Bay Area
|Greater Bay Area Synthetic Biology Laboratory|Controversy over the safety of chemically synthesized pigmentsHigh cost of natural pigmentsHow can biosynthetic pigments break through?Everything can be AICan artificial intelligence really design proteins?These cutting-edge achievements in Synthetic biologyIs being implemented in a location in the Greater Bay AreaAs a representative discipline of biotechnology and information Technological convergenceSynthetic biology is considered the futureOne of the disruptive technologies.At the Shenzhen Engineering Biology Industry Innovation CenterA large numberResearchers from startups in the Greater Bay AreaIs it cheaper than natural pigments? More environmentally friendly than chemically synthesized pigments?Biosynthetic pigments stand out in a variety of pigment production industries!Becoming a new trend in the development of pigment production industry?Yuan Xiaoli:Since entering human civilization, we have experienced several forms of civilizationAgricultural Civilization PeriodHuman beings obtain material and energy mainly through Natural product; After entering the industrial civilization, due to technological progress, people synthesized a lot of substances and energy through chemistry...
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Can't even watch the news broadcast without paying? The People's Daily has released an article revealing the cover up of television manufacturers
followThe morning is a deerEditor | Morning is a deerDecades ago, television was still a novelty, and many families couldn't afford it. Therefore, once someone had a television, the entire village would gather and move to the yard to watch it together...
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Ren Zhengfei has three children and three surnames. His first wife is the daughter of the governor, and his son is the most low-key
If the country wants to exchange a lot of benefits for Huawei's survival, I feel sorry for my own countryBecause of this idea, Ren Zhengfei did not make any request to the Chinese government when his eldest daughter Meng Wanzhou was detained by the Canadian government.Although Ren Zhengfei knew that he should be hard hearted for his own nation, he could not help looking at the direction of Canada, as if he could get closer to his eldest daughter...
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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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A war without smoke! The Huawei Apple controversy has never stopped! Why does Huawei's market value not match Apple's
In recent years, the market value gap between Huawei and Apple, two technology giants, has attracted widespread attention and discussion.As one of the world's largest telecommunications equipment manufacturers, Huawei has made significant progress in areas such as 5G technology, and its market value has also continued to rise...
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The Three Gorges Dam has been in operation for 20 years, has there been a cost recovery of over 250 billion yuan invested?
The Three Gorges Dam is a world-class water conservancy project constructed by China in the upper reaches of the Yangtze River. It is not only the world's largest hydropower station, but also an important project for flood control, navigation, and water resource utilization in China...
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Think carefully and be extremely afraid! Over a hundred pornographic videos of "celebrities and internet celebrities changing faces" sold for only a few tens of yuan, revealing the behind the scenes
On July 3rd, Chen Lan, a popular online female anchor with over 6.7 million fans, released a video stating that she had encountered malicious Ps and AI face changing...
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Virus Nucleic acid test positive! Another confirmed case has been discovered! Quarantined!
According to the website of the Shaanxi Provincial Center for Disease Control and Prevention on July 10th:On July 4, Xi'an City, Shaanxi Province reported a suspected case of Monkeypox virus infection. The case was tested by provincial and municipal centers for disease control and rechecked by China Center for Disease Control, and the laboratory test result was positive for Monkeypox virus Nucleic acid test...
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Changhong Group Changes Commander in Chief Liu Jiang takes over from Zhao Yong as the "top leader"
E Company News: On July 10, Sichuan Changhong Electronic Holding Group Co., Ltd...
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Another confirmed case has been discovered! Symptoms of fever! Official reminder
Source: China News ServiceAccording to the website of the Shaanxi Provincial Center for Disease Control and Prevention on July 10th:On July 4th,A case of suspected Monkeypox virus infection in Xi'an, Shaanxi ProvinceThe case was tested by provincial and municipal CDC laboratories and rechecked by China CDC, and the laboratory test result was positive for Monkeypox virus Nucleic acid test. On July 8th, after consultation with a clinical expert group,Diagnosed as a confirmed case of Monkeypox virus infection...
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