TSQLQuery: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: TSQLQuery
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| 1 | + | **TSQLQuery**  is a fundamental database query component for use with any supported database. The component is found on [[SQLdb tab]] of the [[Component Palette]]. | |
| 2 | + | ||
| 3 | + | Typical use of a TSQLQuery: | |
| 4 | + | ||
| 5 | + | ` SQLTransaction1.Database := SQLConnection1;`\ | |
| 6 | + | ` SQLQuery1.Transaction := SQLTransaction1;`\ | |
| 7 | + | ` DataSource1.DataSet := `**`SQLQuery1`**`;`\ | |
| 8 | + | ` DBGrid1.DataSource := DataSource1;` | |
| 9 | + | ||
| 10 | + | ### Select | |
| 11 | + | ||
| 12 | + | Select all columns from table somelist: | |
| 13 | + | ||
| 14 | + | ``` pascal | |
| 15 | + | SQLQuery1.SQL.Text := 'SELECT * FROM somelist'; | |
| 16 | + | SQLQuery1.Open(); | |
| 17 | + | ``` | |
| 18 | + | ||
| 19 | + | ### Insert | |
| 20 | + | ||
| 21 | + | Insert a new record into table somelist: | |
| 22 | + | ||
| 23 | + | ``` pascal | |
| 24 | + | SQLQuery1.SQL.Text := 'INSERT INTO somelist (ItemNr,ItemCount) VALUES (1231,2)'; | |
| 25 | + | SQLQuery1.ExecSQL(); | |
| 26 | + | SQLTransaction1.Commit(); | |
| 27 | + | ``` | |
| 28 | + | ||
| 29 | + | ## See also | |
| 30 | + | ||
| 31 | + | - [TSQLQuery doc](http://www.freepascal.org/docs-html/fcl/sqldb/tsqlquery.html) | |
| 32 | + | - [Using SQLdb](http://www.freepascal.org/docs-html/fcl/sqldb/usingsqldb.html) | |
| 33 | + | ||
| 34 | + | --- | |
| 35 | + | *From the Free Pascal wiki, page "TSQLQuery", as it stood on 2024-03-26 after a change by Ariben, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |