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sudo systemctl stop mysql; sudo apt purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*; sudo rm -rf /etc/mysql /var/ 阅读全文
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//create procedure statementdelimiter $$ use db $$ drop procedure if exists insertIntoT1Table; create procedure insertIntoT1Table(in num int) begin de 阅读全文
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use db; 'CREATE TABLE `t1` ( `id` bigint NOT NULL AUTO_INCREMENT, `name` varchar(40) NOT NULL DEFAULT '''', `author` varchar(40) NOT NULL DEFAULT '''' 阅读全文
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//install libuuid-devel sudo yum install libuuid libuuid-devel #include <iostream> #include <stdio.h> #include <uuid/uuid.h> char *uuid_value=(char*)m 阅读全文
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Functions can't modify anything and must have at least one parameter. They also have to return a result. Stored procedures don't need a parameter, may 阅读全文
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1.install mysql in ubuntu; 2install mysqlconnector; sudo apt install libmysqlclient-dev 3.complete code #include <algorithm> #include <chrono> #includ 阅读全文
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// main.cpp #include <algorithm> #include <chrono> #include <cstdio> #include <cstdlib> #include <cstdint> #include <ctime> #include <fstream> #includ 阅读全文
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#include <cstdio> #include <cstdlib> #include <ctime> #include <cstdint> uint32_t rand32() { return ((rand() & 0x3) << 30) | ((rand() & 0x7fff) << 15) 阅读全文
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#include <algorithm> #include <chrono> #include <ctime> #include <fstream> #include <iomanip> #include <iostream> #include <random> #include <sstream> 阅读全文
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// main.cpp #include <algorithm> #include <chrono> #include <ctime> #include <fstream> #include <iomanip> #include <iostream> #include <map> #include 阅读全文