sql查询库中是否存在该表
案例：
SHOW TABLES IN dreamweb_gjfgw WHERE Tables_in_dreamweb_gjfgw =‘g_app_data_service_log’
格式：
SHOW TABLES IN 数据库名称 WHERE Tables_in_数据库名称 =‘表名称’
Sql sql = new Sql("SHOW TABLES IN dreamweb_gjfgw WHERE Tables_in_dreamweb_gjfgw ='g_app_data_service_log';");
DataTable dataTable = DBManager.getDataTable(sql);
更多内容请见原文，原文转载自：https://blog.csdn.net/weixin_44519496/article/details/120583550
标签：Tables,SHOW,gjfgw,库中,Mysql,dreamweb,某表,WHERE From： https://www.cnblogs.com/wangchuanxinshi/p/17094857.html