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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An explosion occurred during the test run of the new second stage solid rocket engine of Japan's "Epsilon" rocket
(Observer Network News) According to the report of the NHK (NHK) on July 14, the Japan JAXA (JAXA) said that at 9:00 a.m...
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Huawei Zhang Dixuan: Jointly Building an Intelligent Foundation and Leading a New Future of AI
On July 6th, the Shengteng Artificial Intelligence Industry Summit Forum was held in Shanghai. At the meeting, Zhang Dixuan, President of Huawei's Ascension Computing Business, delivered a keynote speech titled "Building a Smart Foundation Together and Leading the New Future of AI"...
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New low in history! How does a TV set that won't move for 200 yuan lose the hearts of consumers?
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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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Catching up with and surpassing Hongya Cave and Kuanzhai Alley, it is expected to become a new place for wealth creation in Guang'an, a top tier city in the world
On Teacher's Day five years ago, the media, accustomed to speculation, never expected that Jack Ma would announce his Alibaba inheritance plan and announce his retirement one year later to engage in education and public welfare. You know, Biden is 80 years old and still wants to run for president...
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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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Excited! Four Good News Comes from the Science and Technology Field, and Chinese Scientists Have Difficulties to Solve
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Breaking the barriers of smartphone form and leading a new era of folding with glory
A foldable screen, half the history of smartphone development. "In 2012, the prototype of foldable screen smartphones first appeared...
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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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A New Breakthrough in the Construction of the High Resolution Earth Observation System Data and Application Center of Shandong Provincial Bureau of Geology and Mineral Resources
Overall planning, scientific layout, precise positioningA New Breakthrough in the Construction of the High Resolution Earth Observation System Data and Application Center of the Provincial Bureau of Geology and Mineral ResourcesUsing multi temporal remote sensing data to monitor the construction time of illegal buildings, providing a basis for urban construction law enforcement, and achieving early detection and prevention;Identify crop spectral reflectance features through remote sensing images, accurately calculate the planting area of crops in a specific area, and provide data support for guarding the red line of farmland protection and monitoring the distribution pattern of crop planting;Implement remote sensing monitoring of surface water bodies and drinking water source areas, dynamically control the trend of water quality indicators, and promptly identify prominent ecological and environmental issues in various surface water bodies and water source protection areas;This is a microcosm of the partial application of high-resolution Earth observation technology in serving the economic and social development of Shandong. As the main force of geological work in Shandong Province, the Shandong Provincial Bureau of Geology and Mineral Resources has completed most of the basic geological work in the province since its establishment in 1958, accumulating a complete range of geological data materials that cover the entire province, are dynamic and continuous, and are widely used...
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New scam! The 'State Grid' app on the phone is fake! Official response: Uninstall now
On July 12, Beijing time, according to Xinhua, the official media, a new type of hoax has appeared on the Internet. A QQ group named China Power Grid Chat log has been exposed...
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