| Data Record Extractor Online Help |
|---|
 About Data Record Extractor |
 Introduction |
| Copyright Declaration |
| Registration & Order |
| How To Use |
| Overview |
| Extraction Templet |
| Insert Auto Increment Field |
| Insert A Database Field |
| Set Authorization/Login |
| Add A Column For Text Tag |
| Add A Column For RegExpr |
| Database Management |
| Create/Drop A Table |
| Create A Unique Field |
| Add Content To A Field |
| Reset Extraction Flag |
| Output Extraction Result |
| Save To Database |
| Save As .CSV File |
| Custom Output |
| Menu Description |
| Install & Uninstall |
| Install & Uninstall |
| FAQs |
| Frequently Asked Questions |
| Appendix |
| Syntax of Regular Expressions |
Create A Unique Field
To create a unique field, first, the field can not have any repeated value, select a table, program list all fields in the right listbox, click to select a field, click Unique button to create unique index on the selected field. Only ONE unique field can be created, before save a record, program will check whether any value exists in this field, so you needn't worry about the repeated record grabbed.