Migration of SQL Server to MySQL Database

Everyone who intends to move their database from SQL Server to MySQL needs to determine if the performance and durability of the system in handling the migration process to minimize the system downtime. Additionally, it is important to make sure that all data and properties have been converted correctly to prevent loss of data or corruption. The software market offers a wide variety of unique tools to automate MS SQL to MySQL conversion. The products can copy all database objects in the source database management system to the target including table structures with all of the necessary attributes (default values, null flag, etc), data, indexes, foreign keys, and views.

High standard of SQL Server to MySQL converter must offer such fundamental capacities as:

•             High performance of database migration

•             Support of all versions of Microsoft SQL (including Azure SQL) and MySQL

•             Support of all modern platforms

•             Command line support

•             Support for Unicode

•             User-friendly interface

•             Complete install and uninstall support

Among such migration tools is the SQL Server to MySQL converter developed by the Intelligent Converters. They specialize in providing the best database conversion and synchronization tool since 2001. The database migration tool available through them has the capabilities listed above.

If there is no direct link with the destination MySQL (as a result of security reason or virtual hosting limitation), this software can export the data into SQL script file. After this, the SQL Server database can then be exported into the local file containing SQL statements to set-up tables with all indexes and constraints and fill all of them with the data. Later the database administrator or any other related person can import this file to MySQL server while using the standard tools like phpMyAdmin or command-line client.

Special migration projects can require copying of partial data from or merge multiple tables into a single one. MSSQL to MySQL converter can process the result of SELECT queries running against the SQL Server database for all those migration projects.

If a user must customize table definitions during migration, this software has the capability to provide feature generally known as “custom column mapping”. This function enables you to change the name, type, default value, and NULL-attribute for virtually every column of SQL Server table and also remove particular columns from conversion.

To make the migration process a lot more flexible, the converter allows us to specify MySQL table type (ISAM, MyISAM, HEAP, InnoDB, or BDB) and charset for text columns in the destination database.

When calculating the conversion performance, it is recommended to evaluate the database volume, the complexity of table structures, and resources. The standard speed of conversion available from MS SQL to MySQL tool is around 10000 records per second on a modern system. Lastly, this software converts SQL Server views into MySQL format as ‘CREATE VIEW’ SQL-queries with support for more than 90% of possible syntax patterns including embedded MS SQL functions without a direct equivalent in MySQL including DATEPART, DATENAME, STRING_AGG, TRANSLATE, etc. Note, that the SQL Server APPLY operator is not supported in views.

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