4.FireDAC Component Snapshot Two

Tfdupdatesql	Build Add, delete, modify SQL statements
Tfdmetainfoquery	Querying data source information
tfdeventalerter	is responsible for handling database event notifications using the Tfdeventalerter class to handle database event notifications. FDEventAlerter1.Options.Kind: = ' Dbms_alert '; FDEventAlerter1.Names.Text: = ' Customers '; FDEventAlerter1.Options.Synchronize: = True; FDEventAlerter1.Options.Timeout: = 10000; Fdeventalerter1.onalter: = DoAlert; fdeventalerter1.ontimeout: = dotimeout; fdeventalerter1.active: = True; ... procedure Tform1.doalert (asender:tfdcustomeventalerter;   const aeventname:string; const aargument:variant); begin   If Comparetext (aeventname, ' Customers ') = 0 Then     Qrycustomers.refresh; end; Procedure tform1.dotimeout (asender:tobject); begin   Qrycustomers.refresh; end;
Tfdlocalsql	sqlite-based Local SQL engine
Tfdguixerrordialog	Error dialog box
Tfdguixlogindialog	Login dialog box With FDGUIxLoginDialog1. Begin Clear; Add(' Server '); Add(' User_name=benutzer '); Add(' Password=kennwort '); Add(' osauthent '); End; FDConnection1.:= FDGUIxLoginDialog1; FDConnection1.:True;
Tfdguixasyncexecutedialog	This dialog box shows the progress of SQL query execution
Tfdguixscriptdialog	This dialog box shows the progress of a SQL script execution
Tfdguixwaitcursor	Database cursor control, this is forced to add to FIREDAC should be in the program
Tfdmoniremoteclientlink	Use Tfdmoniremoteclientlink components to link fdmonitor tracing features, applications and settings
Tfdmsaccessservice	Implementing the Create, delete, compress, and repair services for a Microsoft Access database
Tfdscript	Implement SQL scripting engine to execute a series of SQL queries
Tfdbatchmove	Data transfer between different data sources

The above are commonly used components, there are individual I feel that beginners can not use, so there is no one listed, interested in individual research.

4.FireDAC Component Snapshot Two