TSQLConnection

type TSQLConnection = class(TDatabase)

public

  constructor Create(); override;

Create a new instance of TSQLConnection.

  destructor Destroy; override;

Destroys the instance of the connection.

  procedure StartTransaction; override;

Start the Transaction associated with this Connection.

  procedure EndTransaction; override;

End the Transaction associated with this connection.

  procedure ExecuteDirect();

Execute a piece of SQL code directly, using a Transaction if specified.

  function GetObjectNames(); virtual;

Return a collection of object names for a given type of object.

  procedure GetTableNames(); virtual;

Get a list of the tables in the specified database.

  procedure GetProcedureNames(); virtual;

Gets a list of Stored Procedures in the Database.

  procedure GetFieldNames(); virtual;

Gets a list of the field names in the specified table.

  procedure GetSchemaNames(); virtual;

Get database schema names.

  procedure GetSequenceNames(); virtual;

Return a list of sequence names.

  function GetConnectionInfo(); virtual;

Return some information about the connection.

  function GetStatementInfo(); virtual;

Get statement information.

  procedure CreateDB; virtual;

Create a new Database on the server.

  procedure DropDB; virtual;

Procedure to drop or remove a Database.

  function GetNextValue(); virtual;

Get next value for a sequence.

  property ConnOptions: TConnOptions; [r]

The set of Connection options being used in the Connection.

  property Handle: Pointer; [r]

Low level handle used by the connection.

  property FieldNameQuoteChars: TQuoteChars; [rw]

Characters used to quote field names.

published

  property Password: string; [rw]

Password used when authenticating on the database server.

  property Transaction: TSQLTransaction; [rw]

Default transaction to be used for this connection.

  property UserName: string; [rw]

The username for authentication on the database server.

  property CharSet: string; [rw]

The character set to be used in this database.

  property HostName: string; [rw]

The name of the host computer where the database resides.

  property OnLog: TDBLogNotifyEvent; [rw]

Event handler for logging events.

  property LogEvents: TDBEventTypes; [rw]

Filter for events to log.

  property Options: TSQLConnectionOptions; [rw]

Options to observe for this connection.

  property Role: string; [rw]

Role in which the user is connecting to the database.

  property Connected: Boolean;

Is a connection to the server active or not.

  property DatabaseName: string;

The name of the database to which connection is required.

  property KeepConnection: Boolean;

Attempt to keep the connection open once it is established.

  property LoginPrompt: Boolean;

Should SQLDB prompt for user credentials when a connection is activated.

  property Params: TStrings;

Extra connection parameters.

  property OnLogin: TLoginEvent;

Event handler for login process.

end;

TSQLConnection

An abstract class representing a connection to a SQL Database.

TDatabase

Base class for connecting a FreePascal application to an external Database engine.

TCustomConnection

Abstract class for connections to a server.

TComponent

TPersistent,IUnknown,IInterfaceComponentReference

TObject,IFPObserved

TSQLQuery

Class to handle SQL commands (with or without result set).

TSQLTransaction

Transaction in which a TSQLQuery is handled.