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Data Loader Utility Ranges From Simple To Complex Migration Processes

By Author: Kenneth Wilson
Total Articles: 8

When data is available in a CSV file and the requirement is to move into another database such as MySQL, there are certain data loading tools available which can make your work easier. Data loader is an utlity to move data from one database to another. For example, this utility can be used between CSV and MySQL, MSSQL to MySQL, or vice versa. Using such utility more numbers of data tables can be migrated into the target tables with simple mapping of the source table columns with the destination table columns. Much needed filters can be applied as per the requirement on the table. For data available in CSV format, there is a header to identify the column values and it is most of the time treated as the first row in the CSV file. Data loading tools can be given instruction to act accordingly. Data loader scripting is one of the ways to convert CSV to MySQL tables. Otherwise the MySQL client tool can be used to import the data from any table or file into the MySQL target tables. A step by step approach can be followed for moving data in a CSV format into the MySQL table.

Five features which makes the Data Loader utility as preferred tool on internet for data migration

Create data source structure – In this utility the CSV file structure is read from the file and is imported into the loader utility tool. This is similar to the import file or table structure option in the MySQL client tool.

Full column mapping – The utility provides the facility to map the source or CSV file column names and defaults the most appropriate data types and the length of the columns. This can be modified to the exact data type as appropriate by the users. And based on the sample data the data type is decided which is called as data profiling.

Upsert and Insert facilities – The loader utility can allow INSERT only into the MySQL tables so that new data can be inserted into the table. Also this option can check if the data rows do not exist, then it will insert. Similarly with the UPSERT option, the data rows from source can be updated on the target tables if there is any difference. The way to check the row in the target table is based on some of the columns which are treated as keys. If these identifying keys match then that row is updated.

Own scheduler – The utility comes with its own scheduler to schedule the jobs for doing the migration and it can be scheduled on daily basis and on the need of the target system. One needs to mention the time and frequency of running the utility and the job details will be created at the given time.

Huge data load option – In this loader utility, the regular loads can be done for few thousand records. But also there is option to load bulk data by enabling this option in the utility. The performance of the bulk load improves compared to other types of load.

Data loading utility to convert CSV to MySQL scores over other conventional utilities because of its easier user interface and the compatibility with many data sources for achieving data migration.

Kenneth Wilson has reviewed so many software programs intended for importing and exporting data between common database formats. He has found Data Loader to be a simple, but powerful tool for Convert CSV to MySQL and several other data migration activities. The tool has features like full column mapping, bulk inserts, folder polling, etc. You can download the free trial version to check its capability.

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