摘要:
杂集SQL语句:insert into car values('8615120098771','测试das')CREATE TABLE Car_Test100_100 AS SELECT * FROM Car_test100 WHERE 1=0DELETE FROM Car_Test100_100S... 阅读全文
摘要:
QSqlDatabasePrivate::addDatabase: duplicate connection name 'qt_sql_default_connection', old connection removed.编译无问题,在执行时终端出现以下字母QSqlDatabasePrivate:... 阅读全文