Home Database Mysql Tutorial SQL Server 数据库创建

SQL Server 数据库创建

Jun 07, 2016 pm 02:50 PM
server sql create database language

1.用SQL语言创建一个带有主数据库文件、数据库文件组、主日志、副日志文件的数据库 2.用SQL语言查询刚创建的数据库 3.用SQL语言对刚创建的数据库增加一个文件组 ----------------------------------若存在同名数据库,则删除数据库USE masterIF EXISTS(SELEC

1.用SQL语言创建一个带有主数据库文件、数据库文件组、主日志、副日志文件的数据库

2.用SQL语言查询刚创建的数据库

3.用SQL语言对刚创建的数据库增加一个文件组

--------------------------------
--若存在同名数据库,则删除数据库
USE master
IF EXISTS(SELECT * from sysdatabases WHERE name='Market')
DROP DATABASE Market
GO
--------------------------------
--创建数据库
--------------------------------
CREATE DATABASE Market

ON PRIMARY--主文件组
(
	NAME='Market_data.mdf',
	FILENAME='D:\SQLProject\Market_data.mdf',
	SIZE=5MB,
	FILEGROWTH=10%,
	MAXSIZE=100MB
),
FILEGROUP FG--文件组
(
	NAME='FG_Market.ndf',
	FILENAME='D:\SQLProject\Market_data.ndf',
	SIZE=10MB,
	FILEGROWTH=10%,
	MAXSIZE=100MB
)

LOG ON--日志
(
	NAME='Market_log.ldf',
	FILENAME='D:\SQLProject\Market_log.ldf',
	SIZE=2MB,
	FILEGROWTH=0
),
(
	NAME='Market2_log.ldf',
	FILENAME='D:\SQLProject\Market2_log.ldf',
	SIZE=5MB,
	FILEGROWTH=0
)
GO
-----------------------------------

-----------------------------------
--设置默认文件组
ALTER DATABASE Market
MODIFY FILEGROUP FG DEFAULT
GO
-----------------------------------

-----------------------------------
--查询所有数据库
SELECT * FROM sysdatabases
GO
-----------------------------------

-----------------------------------
--对数据库做局部修改
--增加一个文件组
USE Market
ALTER DATABASE Market ADD FILEGROUP FG2
GO

ALTER DATABASE Market ADD FILE
(
	NAME='FG2_Market_data.ndf',
	FILENAME='D:\SQLProject\FG2_Market_data.ndf',
	SIZE=10MB,
	FILEGROWTH=10%,
	MAXSIZE=100MB
)TO FILEGROUP FG2

GO
------------------------------------
Copy after login

操作运行结果:





Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

iOS 18 adds a new 'Recovered' album function to retrieve lost or damaged photos iOS 18 adds a new 'Recovered' album function to retrieve lost or damaged photos Jul 18, 2024 am 05:48 AM

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

Detailed tutorial on establishing a database connection using MySQLi in PHP Detailed tutorial on establishing a database connection using MySQLi in PHP Jun 04, 2024 pm 01:42 PM

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

How to handle database connection errors in PHP How to handle database connection errors in PHP Jun 05, 2024 pm 02:16 PM

To handle database connection errors in PHP, you can use the following steps: Use mysqli_connect_errno() to obtain the error code. Use mysqli_connect_error() to get the error message. By capturing and logging these error messages, database connection issues can be easily identified and resolved, ensuring the smooth running of your application.

The Mistral open source code model takes the throne! Codestral is crazy about training in over 80 languages, and domestic Tongyi developers are asking to participate! The Mistral open source code model takes the throne! Codestral is crazy about training in over 80 languages, and domestic Tongyi developers are asking to participate! Jun 08, 2024 pm 09:55 PM

Produced by 51CTO technology stack (WeChat ID: blog51cto) Mistral released its first code model Codestral-22B! What’s crazy about this model is not only that it’s trained on over 80 programming languages, including Swift, etc. that many code models ignore. Their speeds are not exactly the same. It is required to write a "publish/subscribe" system using Go language. The GPT-4o here is being output, and Codestral is handing in the paper so fast that it’s hard to see! Since the model has just been launched, it has not yet been publicly tested. But according to the person in charge of Mistral, Codestral is currently the best-performing open source code model. Friends who are interested in the picture can move to: - Hug the face: https

How to connect to remote database using Golang? How to connect to remote database using Golang? Jun 01, 2024 pm 08:31 PM

Through the Go standard library database/sql package, you can connect to remote databases such as MySQL, PostgreSQL or SQLite: create a connection string containing database connection information. Use the sql.Open() function to open a database connection. Perform database operations such as SQL queries and insert operations. Use defer to close the database connection to release resources.

How to use database callback functions in Golang? How to use database callback functions in Golang? Jun 03, 2024 pm 02:20 PM

Using the database callback function in Golang can achieve: executing custom code after the specified database operation is completed. Add custom behavior through separate functions without writing additional code. Callback functions are available for insert, update, delete, and query operations. You must use the sql.Exec, sql.QueryRow, or sql.Query function to use the callback function.

How to handle database connections and operations using C++? How to handle database connections and operations using C++? Jun 01, 2024 pm 07:24 PM

Use the DataAccessObjects (DAO) library in C++ to connect and operate the database, including establishing database connections, executing SQL queries, inserting new records and updating existing records. The specific steps are: 1. Include necessary library statements; 2. Open the database file; 3. Create a Recordset object to execute SQL queries or manipulate data; 4. Traverse the results or update records according to specific needs.

PHP connections to different databases: MySQL, PostgreSQL, Oracle and more PHP connections to different databases: MySQL, PostgreSQL, Oracle and more Jun 01, 2024 pm 03:02 PM

PHP database connection guide: MySQL: Install the MySQLi extension and create a connection (servername, username, password, dbname). PostgreSQL: Install the PgSQL extension and create a connection (host, dbname, user, password). Oracle: Install the OracleOCI8 extension and create a connection (servername, username, password). Practical case: Obtain MySQL data, PostgreSQL query, OracleOCI8 update record.

See all articles