10 2023 档案

mysql create table, insert,select via c++ and lmysqlcppconn
摘要：//create table t1 CREATE TABLE `t1` (`id` bigint NOT NULL AUTO_INCREMENT,`author` varchar(40) NOT NULL,`comment` varchar(40) NOT NULL,`content` varcha 阅读全文
posted @ 2023-10-31 00:59 FredGrit 阅读(6) 评论(0) 推荐(0) 编辑
pgsql create table,cpp fill psql table via the third party library pqxx
摘要：//create table t1; create table t1(id bigserial not null primary key,author varchar(40) not null,comment varchar(40) not null,content varchar(40) not 阅读全文
posted @ 2023-10-24 23:15 FredGrit 阅读(23) 评论(0) 推荐(0) 编辑
PgSQL
摘要：alter table table_name alter column column_name new_type CREATE TABLE public.t2 ( id serial primary key, name character varying(40) NOT NULL, author c 阅读全文
posted @ 2023-10-22 19:35 FredGrit 阅读(19) 评论(0) 推荐(0) 编辑
ubuntu vscode setting.json,c_cpp_properties.json
摘要：//settings.json { "configurations": [ { "name": "Linux", "includePath": [ "${workspaceFolder}/**", "/usr/include/c++/13", "/usr/include/x86_64-linux-g 阅读全文
posted @ 2023-10-19 22:15 FredGrit 阅读(66) 评论(0) 推荐(0) 编辑
ubuntu install pgsql
摘要：sudo apt update; sudo apt upgrade; sudo apt install postgresql postgresql-contrib; sudo systemctl start postgresql.service https://www.digitalocean.co 阅读全文
posted @ 2023-10-16 20:55 FredGrit 阅读(9) 评论(0) 推荐(0) 编辑

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