当你在MySQL中执行SHOW TABLES;命令时遇到错误1046 (3D000): No database selected,这通常意味着当前没有选择一个数据库。为了解决这个问题,你可以按照以下步骤操作: 确认MySQL服务已启动并可以连接: 确保你的MySQL服务已经启动,并且你可以通过MySQL客户端成功连接到数据库服务器。 选择一个数据库: 在执行SHOW TA...
当出现“1046 - No database selected”错误提示时,我们应该A.输入“SHOW TABLES;”命令。B.重启数据库。C.检查输入命令的语法错误。
SHOW TABLES SHOW TABLES列举了给定数据库中的非TEMPORARY表。 也可以使用mysqlshow db_name命令得到此清单。 SHOW TABLES; 1. mysql> SHOW TABLES; ERROR 1046 (3D000): No database selected mysql> use testdb; Database changed mysql> SHOW TABLES; +---+ | Tables_in_testdb | +---+ | en_names...
Description:I often find myself typing "ls" as soon as I start up the mysql command line client. Obviously that doesn't work, but I think it would make sense to have it act as "SHOW DATABASES" when no database has been selected yet, and "SHOW TABLES" if a database has been selec...
Show Tables SHOW TABLES [IN database_name] ['identifier_with_wildcards']; 1. SHOW TABLES列出数据中所有的表。可以用LIKE子句与正则表达式过滤表列表。正则表达式中的通配符只能是匹配任意字符的"*“或表示可选的”|"。 示例 > show tables like 'test*'; ...
SQL> select table_name from user_tables; SQL Plus 的命令, 差不多都在上面这个网页里面了。 MySQL> show databases; +---+ | Database | +---+ | information_schema | | mysql | | sqldoc | | test | +---+ 4 rows in set (0.00 sec) Oracle...
Times that the database is selected (the database can be selected when no database is selected or the selected database is in the idle state). Replay Memtable Count Unused memtable quota on the current core. If the value is "0", the replay operation is not allowed on the core.Colecc...
DatabaseMaintenance Microsoft.SqlServer.Management.Diagnostics Microsoft.SqlServer.Management.Dmf Microsoft.SqlServer.Management.Explorer Microsoft.SqlServer.Management.Facets Microsoft.SqlServer.Management.IntegrationServices Microsoft.SqlServer.Management.MultiServerConnection Microsoft.SqlServer.Management...
Description:SHOW FUNCTION STATUS returns a "no database selected" error in no database is selected.How to repeat:select version(), current_user(), database(); show function status\G Output 1 mysql> select version(), current_user(), database(); +---+---+---+ | version() | curren...
SQL> select table_name from user_tables;SQL Plus 的命令，差不多都在上⾯这个⽹页⾥⾯了。MySQL> show databases;+---+ | Database | +---+ | information_schema | | mysql | | sqldoc | | test | +---+ 4 rows in set (0.00 sec)Oracle ⼀个实例，就是⼀个数据...