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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Civil Aviation Notification: A plane crashed into mud in Zhenjiang, Jiangsu: Two people in no danger of life
According to the East China Administration of Civil Aviation, on July 12, 2023, a sports aircraft, the Arrola SA60L/B-10LG, belonging to Far East Flight (Wuxi) Aviation Services Co., Ltd...
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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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How powerful is the Baihetan Dam that China spent 180 billion yuan to build? Fill West Lake with water in 6 minutes
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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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A plane crashes in Zhenjiang, Jiangsu, and Dalu Airport responds
On the afternoon of July 12, a plane crashed near Dalu Airport, Zhenjiang City, Jiangsu Province. Jiupai News learned that this incident did not cause any casualties...
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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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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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If you dare to use this feature, uninstall WeChat! "Tencent responded anxiously
If the WeChat message can display 'read'Do you support it?Today (12th)If WeChat shows readGet on the Hot SearchCurrently, it has caused 440 million reads13000 discussionsIn the discussion, the vast majority of netizens expressed opposition to this. In the Weibo vote of nearly 200000 people, "Do you want WeChat to display as read?" More than 80% of people chose "do not want"...
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Jack Ma talked about the dangers of games and helped his son quit games. No country has ever seen a game like this!
Ma Yun Talks about the Hazards of Games:There has never been a country where games have become like this."The current situation of games is very terrible...
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