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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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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Rectification of TV Arbitrary Charging: Industry Reform under the Game of Interests
#Headline Creation Challenge#prefaceTelevision is one of the most commonly used entertainment devices in our daily lives, providing us with a rich and colorful range of film and television programs and information services, allowing us to enjoy a feast of audio-visual experience at home. However, in recent years, with the popularization and development of Smart TV, the phenomenon of TV charging indiscriminately has become increasingly serious, which makes many consumers feel puzzled and dissatisfied...
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The man spent 12999 yuan online to purchase a TV, but the merchant was delayed in shipping. Customer service: A supplement of 1000 yuan was required before shipping
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No wonder the WiFi on your phone often disconnects. It turns out that this setting has not been debugged properly and has increased knowledge
During the process of using our mobile phone, many friends may have encountered the problem of our phone's WiFi signal being clearly full, but when browsing web pages, the network is always intermittent, and sometimes WeChat messages are delayed before receiving. At this point, many friends may think that there is a problem with the WiFi network or phone, but the main reason for these situations is that the switches inside the phone are turned off...
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Stride towards a powerful online country! Eight numbers to see the acceleration of China's network infrastructure construction
Under the guidance of the network power strategy, China's digital economy has reached a scale of 50.2 trillion yuan, firmly ranking second in the world; The annual transaction scale of mobile payment is 527 trillion yuan, ranking first in the world; There are 2...
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In the marriage between Liu Yang, the "aviation first lady", and her husband, there is a hidden truth about her two trips to space 10 years later
Yang Liwei.The first female astronaut in space was on the Shenzhou 9 mission...
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Ranked among the top 20 airports in terms of passenger throughput nationwide
Airport passenger throughput, as the name suggests, refers to the number of daily passengers traveling and is also the main indicator of an airport's energy level. The overall recovery of the aviation industry in 2023 is foreseeable...
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Global climate change is out of control, domestic heatstroke products are selling crazily in Europe, American media: they still need to be made in China
One TalkEdit | One TalkPreface:The heat here is a bit crazyThis is the evaluation of European summer by a tourist from a tropical region.It can be seen that Europe has reached a new height of heat, and some experts say that,Europe has ushered in its highest temperature in 100000 years...
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Poster | New regulations for promoting the healthy development of generative artificial intelligence are here~Six pictures highlight your focus!
The rule of law protects my heartIn recent years, the rapid development of generative artificial intelligence technology has brought new opportunities to economic and social development. At the same time, it has also raised issues such as the dissemination of false information, infringement of personal information rights, data security, and bias discrimination...
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Can't you go back home? A family of five is "wandering the streets" because
On July 11, Mr. Min Di was embarrassed that he could not go back when he came out, and his Smart lock suddenly broke down...
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