Home Database Mysql Tutorial mssql 连接多个数据库并把数据整合到一张表上

mssql 连接多个数据库并把数据整合到一张表上

Jun 07, 2016 pm 05:47 PM
mssql Multiple number database connect

mssql 连接多个并把数据整合到一张表上
*/
//方法一

$sql ="create proc OtherConnSQL
as
begin
    select id=u_id,name=u_name,tel=u_tel from openrowset('SQLNCLI','Server=(local);Trusted_Connection=yes;','select u_id,u_name,U_password,u_tel from ABC.dbo.USER_TABLE') as t
    union all
    select id=id,name=c_name,tel=c_tel from openrowset('SQLNCLI','Server=(local);Trusted_Connection=yes;','select id,c_name,c_tel from CBA.dbo.CU_TABLE') as A
end";


//方法二

$sql1 ="create proc OtherConnSQL
as
begin
select id=u_id,name=u_name,tel=u_tel from openrowset('SQLNCLI','Server=(local);Trusted_Connection=yes;','select u_id,u_name,U_password,u_tel from ABC……";

//方法三,这种没连合

$sql2="create proc OtherConnSQL as
begin
declare @t_id varchar(50),@t_name varchar(50),@t_tel varchar(50)

select @id=u_id,@name=u_name,@tel=u_tel from openrowset('SQLNCLI','Server=(local);Trusted_Connection=yes;','select u_id,u_name,U_password,u_tel from ABC.dbo.USER_TABLE') as t

select @id=id,@name=c_name,@tel=c_tel from openrowset('SQLNCLI','Server=(local);Trusted_Connection=yes;','select id,c_name,c_tel from CBA.dbo.CU_TABLE') as A 
end

";

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.

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 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.

Top 10 Global Digital Virtual Currency Trading Platform Ranking (2025 Authoritative Ranking) Top 10 Global Digital Virtual Currency Trading Platform Ranking (2025 Authoritative Ranking) Mar 06, 2025 pm 04:36 PM

In 2025, global digital virtual currency trading platforms are fiercely competitive. This article authoritatively releases the top ten digital virtual currency trading platforms in the world in 2025 based on indicators such as transaction volume, security, and user experience. OKX ranks first with its strong technical strength and global operation strategy, and Binance follows closely with high liquidity and low fees. Platforms such as Gate.io, Coinbase, and Kraken are at the forefront with their respective advantages. The list covers trading platforms such as Huobi, KuCoin, Bitfinex, Crypto.com and Gemini, each with its own characteristics, but investment should be cautious. To choose a platform, you need to consider factors such as security, liquidity, fees, user experience, currency selection and regulatory compliance, and invest rationally

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