What does worm replication refer to in Mysql data table?

This article mainly introduces to you what is worm replication in mysql data table and what is its use.

Worm replication, as the name suggests, replicates itself, and the number doubles, that is, increases exponentially. The focus of mysql worm replication is replication.

How to understand the concept of mysql worm replication?

To put it simply, we query the data content in an existing data table and then copy and add it to another specified data table. This operation is called worm replication.

Then the steps for worm replication are to first find out the data, and then add the found data again.

The principle of mysql worm replication is to use your own original data as the source and continuously insert it.

Under what circumstances will mysql worm replication be used?

For example, when we need to change the data table, we can use worm replication to query the data in the data table through the select statement, and then copy it to the new data table. Of course, to replace the data table, you can usually directly perform import and export operations.

So in most cases, mysql worm replication is used for mysql testing, test data!

We can understand this because mysql worm replication will cause the data to double or increase exponentially.

So we can use worm replication to make the data table generate a large amount of data, that is, expand to a certain order of magnitude to test the pressure and efficiency of this table.

Basic syntax for worm replication:

insert into + 数据表名 +字段列表/* + from 数据表名;

Below we can make some simple summaries:

mysql worm replication :

1. Copy data from the existing data table to the new data table;

#2. You can quickly add data to the table The data is expanded to a certain order of magnitude and is mostly used to test the pressure and efficiency of the meter.

This article is an introduction to the concept of worm replication in mysql data tables. In later articles, we will continue to introduce the specific use of worm replication in mysql with examples.

If you want to know more about mysql, you can follow the PHP Chinese website mysql video tutorial, everyone is welcome to refer to and learn!

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