jdbc:mysql://localhost/ Or you need to explicitly need to switch to a database using: connection.setCatalog(""); From the comments it looks like your actual question is how to create a new database from java, for an answer to that question, you need to look at: Create MySQL database from Java. WebPara crear una base de datos: CREATE DATABASE database_name; En caso de tener la base de datos ya creada, tienes que indicarle que la vas a usar: USE database_name; El orden correcto quedaria asi: CREATE DATABASE database_name; USE database_name; UPDATE user SET authentication_string=PASSWORD ("pass") WHERE user = 'root'; Espero …
Error in component tDBOutput_1 java.sql.SQLException: No database selected
WebJun 9, 2024 · 方法二:. 在操作出现no database selected错误时,指数据库不存在,或者没有使用use 数据库名,如图:. 解决办法:. 1、检查您的输入数据名是否正确或use 数据库名. use mysql ; //mysql 换您的数据库名. 2、 如果您认为没错误,可以将现Mysql的里面所有数据 … Web1 day ago · ShardingSphere-JDBC load-balancing solution. ShardingSphere-JDBC is a lightweight Java framework with additional services in the JDBC layer. ShardingSphere-JDBC adds computational operations before the application performs database operations. The application process still connects directly to the database through the database driver. my don\u0027t know
No Database selected when retrieving from mysql website
WebJan 20, 2024 · Here the installation of drivers is needed. Jar files are needed to be downloaded hardly taking any space in memory. Retrieve Contents of a Table Using JDBC connection. Step 1: Creating a database using SQLyog: The user can create a database using ‘ SQLyog’ and create some tables in it and fill data inside it. WebNov 8, 2024 · no mycat database selected. 使用mycat做读写分离, 数据库 的权限配置都对,但是一访问程序就报错:no mycat database selected;从报错信息上看是因为没有选中数据库导致的,如果不使用mycat就没有这个错,经排查发现是因jdbc连接串中没有设置默认的库导致的。. url =jdbc ... WebMar 24, 2012 · SpringBoot连接数据库异常,java.sql.SQLException: No database selected1、问题描述2、解决步骤 1、问题描述 SpringBoot 项目连接数据库,出 … office supplies somerset ky