# ELT MySQL scenarios

* [Aggregating Snowflake data using context variables as table and connection names](https://help.qlik.com/talend/r/en-US/7.3/components/elt-mysql/teltinput-teltmap-tsnowflakeinput-tlogrow-aggregating-snowflake-data-using-context-variables-as-table-and-connection-names)
* [Aggregating table columns and filtering](https://help.qlik.com/talend/r/en-US/7.3/components/elt-mysql/elt-components-aggregating-table-columns-and-filtering)
* [Mapping data using a simple implicit join](https://help.qlik.com/talend/r/en-US/7.3/components/elt-mysql/teltgreenplummap-teltgreenplumoutput-tlogrow-mapping-data-using-simple-implicit-join-standard-component-in-this)
* [Mapping data using a subquery](https://help.qlik.com/talend/r/en-US/7.3/components/elt-mysql/teltteradatainput-teltteradatamap-teltteradataoutput-mapping-data-using-subquery-standard-component)
* [Mapping date using using an Alias table](https://help.qlik.com/talend/r/en-US/7.3/components/elt-mysql/teltmysqlmap-teltmysqlinput-teltmysqloutput-mapping-date-using-using-alias-table-standard-component-this)