据David说考OCM的话考的是CREATE DATABASE SQL建库的过程。一般情况下DBA可能为了图快使用的都是DBCA和模板的方法来建库的。对于create database 命令可能会比较生疏。 今天刚好在上海上OCM实训班,借此机会来学习一下CREATE DATABASE SQL COMMAND。 首先来了解一下create database
create database jack character set 'utf8' encryption 'Y'; alter database jack character set 'utf8mb4' encryption 'N' read only 1; alter database jack character set 'utf8'; 1. 2. 3. 4. 也不能drop数据库。 drop database if exists jack; create database jack character ...
Database Command MySQL CREATE DATABASE database_name; SQL Server CREATE DATABASE database_name; PostgreSQL CREATE DATABASE database_name; Oracle N/A – create a schema and assign privileges You can find more details below. How to Create a Database in SQL The easiest way to create a new ...
Create a database. For more information about the syntax conventions, seeTransact-SQL syntax conventions. syntaxsql CREATEDATABASEdatabase_name[CONTAINMENT= {NONE|PARTIAL} ] [ON[PRIMARY]<filespec>[ ,...n ] [ ,<filegroup>[ ,...n ] ] [LOGON<filespec>[ ,...n ] ] ] [COLLATEcollation_...
CREATEDATABASEdatabase_name; Where we’ll use the desired name instead of thedatabase_name. SQL Create Database example OK, let’s try it. We’ll run a command: 1 CREATEDATABASEour_first_database; After running this command, our database is created, and you can see it in the databas...
Use/Select Databases using SQLWe can now set the testDB as the default database by using the USE statement in SQL.SyntaxUSE testDB; That's it! we have successfully created a database in SQL. Now, we can create tables and other database objects within this new database....
SQL> CREATE SPFILE FROM PFILE; File created. As you see below, the above command has created the spfiledev.ora automatically. $ ls -1 $ORACLE_HOME/dbs/ initdev.ora spfiledev.ora 4. Start the Idle Instance Before we create the database, we should start the instance for “dev” databas...
Note:To create aPostgreSQLdatabase, we will execute the“CREATE DATABASE”command from the psql(SQL Shell). You can execute the same command from pgAdmin's query tool to create a database. How to List the Databases? Open thepsql(SQL Shell) and execute the“\l”command to see the list...
除了利用DBCA创建数据库之外,还可以利用Create Database语句手工创建数据库,不过Oracle建议利用DBCA建库,本篇主要探讨如何手工进行数据库的创建。 主要创建过程如下: 一、创建目录 [oracle@szoracle]$ mkdir-p/u01/app/oracle/admin/db01/adump [oracle@szoracle]$ mkdir-p/u01/app/oracle/admin/db01/dpdump ...
The following SQL statement creates a database called "testDB":ExampleGet your own SQL Server CREATE DATABASE testDB; Tip: Make sure you have admin privilege before creating any database. Once a database is created, you can check it in the list of databases with the following SQL command...