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3-8502-00235-83-5<br />
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how can i group and count the row that have the same on digit 3-6 in this case &nbsp;8502
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3-8502-00235-83-5

how can i group and count the row that have the same on digit 3-6 in this case  8502

sql in mysql to group that have the same in some digit

MySQL is an open source, relational database management system that runs as a server providing multi-user access to a number of databases. Acquired by Oracle in 2009, it is frequently used in combination with PHP installations, powering most of the WordPress installations.

MySQL Server

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.