[ sosingus @ 16.08.2005. 12:40 ] @
| Kazite sta znate od zgodnih f-ja, procedura, udf biblioteka.
Nesto korisno, da podelimo.
Ja bih izdvojila jednu, jako korisnu: coalesce.
Koristi se za selekciju prve NOT NULL vrednosti.
NPR.
Code:
SELECT coalesce(doc.naziv, 'Nepostoji') as Naziv
FROM dokumenta doc
WHERE doc.id=123
|
[ dogriz @ 17.08.2005. 06:58 ] @
[ Riste Pejov @ 17.08.2005. 11:02 ] @
[ sosingus @ 07.09.2005. 14:24 ] @
Evo, da dodam jos jednu zgodnu naredbu za koristenje u procedurama.
Code:
[for ]EXECUTE STATEMENT [into :param1, ..., :paramn] [do]
Omogucava dinamicko sklapanje query-ja konkatenacijom stringova:)
http://www.destructor.de/firebird/1.5/execute_statement.txt
[ captPicard @ 21.03.2009. 13:54 ] @
Meni jedna jako zgodna
INSERTEX (CSV file import)
This imports data from a CSV-file into a database table.
Syntax
INSERTEX INTO table_name [(columns_list)]
FROM CSV file_name
[SKIP n]
[DELIMITER delimiter_char]
Argument Description
table_name Name of a table into which to insert data.
columns_list List of columns into which to insert data.
file_name Name of CSV-file from which to import data.
SKIP n Allows the first n lines of CSV-file to be skipped while importing data.
DELIMITER delimiter_char Allows a delimiter to be specified, which will be used for parsing data values.
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