BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Re: ADO vs Interbase components          BorlandTalk.com Forum Index -> Delphi Databases (SQL Servers) View previous topic :: View next topic   Author Message Wayne Niddery [TeamB] Guest Posted: Sat Aug 16, 2003 3:38 pm    Post subject: Re: ADO vs Interbase components Todd Cary wrote: Quote: The first thing I noticed is that in order to do a Query I had to use 3 components: Database, Transaction and Query. With ADO there would be just two. The next difference is the result set is read-only and I am use to being able to edit the result set with ADO. Use a TIBDataset component for read/write purposes. For read-only needs, use TIBQuery if you need to attach data-aware controls, otherwise use TIBSQL (best performance). IBX is preferable for connecting to Interbase. The only reason not to use IBX is if you know you must support more than a single database type, then you should look at dbExpress (or possibly ADO). For most purposes, you need one TIBDatabase, one TIBTransaction, and any number of datasets (TIBDataset, etc). -- Wayne Niddery - Logic Fundamentals, Inc. (www.logicfundamentals.com) RADBooks: http://www.logicfundamentals.com/RADBooks.html "It is error alone which needs the support of government. Truth can stand by itself." - Thomas Jefferson Back to top James Crea Guest Posted: Tue Aug 19, 2003 8:09 pm    Post subject: Re: ADO vs Interbase components Wayne: I am using TIBQuery with an associated TIBUpdateSQL to provide Update/Delete capability rather than the TIBDataset. What is the bad and good on that? How do you provide master detail relationships with TIBDataset to support thing like QuickReports. I am using TIBTable now but want to replace it with TIBDataset since TIBTable is a no no. Thanks: James Crea "Wayne Niddery [TeamB]" <wniddery (AT) chaff (DOT) aci.on.ca> wrote Quote: Todd Cary wrote: The first thing I noticed is that in order to do a Query I had to use 3 components: Database, Transaction and Query. With ADO there would be just two. The next difference is the result set is read-only and I am use to being able to edit the result set with ADO. Use a TIBDataset component for read/write purposes. For read-only needs, use TIBQuery if you need to attach data-aware controls, otherwise use TIBSQL (best performance). IBX is preferable for connecting to Interbase. The only reason not to use IBX is if you know you must support more than a single database type, then you should look at dbExpress (or possibly ADO). For most purposes, you need one TIBDatabase, one TIBTransaction, and any number of datasets (TIBDataset, etc). -- Wayne Niddery - Logic Fundamentals, Inc. (www.logicfundamentals.com) RADBooks: http://www.logicfundamentals.com/RADBooks.html "It is error alone which needs the support of government. Truth can stand by itself." - Thomas Jefferson Back to top Wayne Niddery [TeamB] Guest Posted: Wed Aug 20, 2003 12:45 am    Post subject: Re: ADO vs Interbase components James Crea wrote: Quote: I am using TIBQuery with an associated TIBUpdateSQL to provide Update/Delete capability rather than the TIBDataset. What is the bad and good on that? How do you provide master detail relationships with TIBDataset to support thing like QuickReports. I am using TIBTable now but want to replace it with TIBDataset since TIBTable is a no no. If the TIBUpdateSQL is working for you then no need to replace it. Master/detail works with TIBDataset by hooking up the Datasource and specifying parameters for the fields representing the relation in the SQL of the detail dataset. Try to get rid of the TIBTable, you can use TIBDataset or TIBQuery, whichever is more confortable for you. -- Wayne Niddery - Logic Fundamentals, Inc. (www.logicfundamentals.com) RADBooks: http://www.logicfundamentals.com/RADBooks.html "It is error alone which needs the support of government. Truth can stand by itself." - Thomas Jefferson Back to top James Crea Guest Posted: Thu Aug 21, 2003 10:23 pm    Post subject: Re: ADO vs Interbase components "Wayne Niddery [TeamB]" <wniddery (AT) chaff (DOT) aci.on.ca> wrote Try to get rid of the TIBTable, you can use TIBDataset Quote: or TIBQuery, whichever is more confortable for you. Unlike TIBTable, when I try to modify a record entry (Via FieldByName) in a While EOF ... Next loop, the TIBDataset does not scan down the list of records in the dataset. The Cursor stays on the first entry. If the loop is read only, then the loop will scan down to the EOF. What am I doing wrong? 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