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,就是一个数据库, 所以,没有对应...
>>sqlplus >>@ sql.sql;2 怎样查看刚刚创建的表 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 ...
eg:select table_name from all_tables where owner='SIMON'; 注意:此处 TABLE_NAME 为 user_tables的字段名称,请不要修改。用户名需要大写。 4.show databases Oracle: selectnameasdatabasefromv$database;
查看MySQL数据库表进入MySQL Command line client下查看当前使用的数据库:mysql>select database();mysql>status;mysql>show tables;mysql>show databases;//可以查看有哪些数据库,返回数据库名(databaseName)mysql>use databaseName; // mysql 命令行查看表 ...
SCHEMATA:提供了当前mysql数据库中所有数据库的信息,其中SCHEMA_NAME字段保存了所有的数据库名。show databases的结果取自此表。 TABLES:提供了关于数据库中的表的信息,详细表述了某个表属于哪个schema,表类型,表引擎,创建时间等信息,其中table_name字段保存了所有列名信息,show tables from schemaname的结果取自此表。
■ To start DBCA on UNIX or Linux, or at the command-line prompt on the Windows operating system, enter the following command: dbca The dbca utility is typically located in the ORACLE_HOME/bin directory. 3. Click Next to bypass the Welcome window. Creating a Database Using DBCA DBCA ...
您还需要确定管理每个群集上的 Oracle RAC 数据库的 RAC 服务器代理资源组的名称。可以通过 clsetup 命令使用数据服务配置向导来配置这些名称,或者按照《Sun Cluster Data Service for Oracle RAC Guide for Solaris OS》中的附录 D “Command-Line Alternatives”中的说明来配置这些名称。在下表所列出的 Oracle ...
Note: To set the appropriate Java version use the command csruntimectl (morehere). Preparation If you already have a Java application, you can skip this step; otherwise, create a Java SE project using the Maven Quickstart Archetype to keep things simple. It will give us a basic project st...
Finally, we will click on OK to save the backup settings in the control file of the database Backup and Restore Commands The basic commands for backing up and restoring Oracle databases should look familiar to SQL Server DBAs. Let’s start with the SQL Server command to back up a databa...
Command timeout in minutesIf your connection lasts longer than 10 minutes (the default timeout), you can enter another value in minutes to keep the connection open longer. This option is only available in Power Query Desktop. SQL statementFor information, go toImport data from a database usin...