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This article shows you how to import data in bulk in MySQL, the content is concise and easy to understand, it will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

How to realize MySQL bulk Import data Operation

Taking the MySQL database as an example, we will introduce how to import all the data of a table or the data of a specified field into the target table through the SQL command line. This method also applies to SQLServer databases, that is, T-SQL.

Category 1. If the fields of two tables (export table and target table) are the same, and you want to insert all the data, you can use this method: (this method is only suitable for exporting two tables on the same database)

INSERTINTO

Target table

SELECT*FROM

Source table

For example, to insert an articles table into an newArticles table, you can do this with the following SQL statement:

INSERTINTO

NewArticles

SELECT*FROM

Articles

How to realize MySQL bulk Import data Operation

Category 2. If you only want to import the specified fields, you can use this method:

INSERTINTO

Target table (field 1, field 2, etc.)

SELECT

Field 1, field 2.

FROM

Source table

Please note that the fields of the above two tables must be the same (field type), otherwise a data conversion error will occur.

1. Copy the data in the table across servers

Insertintoopenrowset ('sqloledb','localhost';'sa';'123',Test.dbo.Table_B) select*fromTest.dbo.Table_A// enable AdHocDistributedQueries:execsp_configure'showadvancedoptions',1reconfigureexecsp_configure'AdHocDistributedQueries',1reconfigure// after you finish using it, turn off AdHocDistributedQueries:execsp_configure'AdHocDistributedQueries',0reconfigureexecsp_configure'showadvancedoptions',0reconfigure

2 、

/ / No cross-server insertintodbo.Table_B) select*fromdbo.Table_A

Concatenate the table name and the database connection string in code and then execute the sql statement program functions you need above.

The above is how to import data in bulk in MySQL. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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