This article describes how you can export all tables from any database into text files
The first step is to download and install Advanced ETL Processor Professional
Then we need to create an ETL package. Let call it Export Package.

Double click on Export Data Object and select the appropriate connection type

Next step is to specify tables to export. It also possible to use the mask as a filter

If necessary, the user can restrict the number of records tables to export

And the last step is to select the output file format. The user can export all data into one file or into separate files.

Let's run the Package
Information 12/08/2018 19:15:57 Started
Information 12/08/2018 19:15:57 Executing:Export Package
Information 12/08/2018 19:15:57 Executing Export: Export Data
Information 12/08/2018 19:15:57 Executing:Export Data
Information 12/08/2018 19:15:57 Connection Name: SQL
Information 12/08/2018 19:15:57 Connection Type is: MS Sql Server
Information 12/08/2018 19:15:57 Source MS Sql Server: DBSLCOMPUTER\SQLEXPRESS2014
Information 12/08/2018 19:15:57 Connection Name: SQL
Information 12/08/2018 19:15:57 Connection Type is: MS Sql Server
Information 12/08/2018 19:15:57 Source MS Sql Server: DBSLCOMPUTER\SQLEXPRESS2014
Information 12/08/2018 19:15:57 Connection Type is: MS Sql Server
Information 12/08/2018 19:15:57 Reading all specified Table(s)
Information 12/08/2018 19:15:57 Source Table: [AOB].[dbo].[ExtentionCountHistory]
Information 12/08/2018 19:15:57 Using Bulk Fetch
Information 12/08/2018 19:15:57 Path: C:\tmp\Export\
Information 12/08/2018 19:15:57 Mask: AOB.dbo.ExtentionCountHistory.csv
Information 12/08/2018 19:15:57 Path Is Valid: True
Information 12/08/2018 19:15:57 Include Directory: False
Information 12/08/2018 19:15:57 In Sub Folders: False
Information 12/08/2018 19:15:57 Attributes: ReadOnly
Information 12/08/2018 19:15:57 Attribute: Hidden
Information 12/08/2018 19:15:57 Attribute: SysFile
Information 12/08/2018 19:15:57 Attribute: aArchive
Information 12/08/2018 19:15:57 File Age: 0
Information 12/08/2018 19:15:57 Which File: 0
Information 12/08/2018 19:15:57 Export File : C:\tmp\Export\AOB.dbo.ExtentionCountHistory.csv
Information 12/08/2018 19:16:44 Read: 7,019,847 Records/Lines/Messages (in total)
Information 12/08/2018 19:16:44 Records/Lines/Messages per second: 147,964
Information 12/08/2018 19:16:44 Time Taken: 00:00:47
Information 12/08/2018 19:16:44 Done!
Information 12/08/2018 19:16:44 Finished