Date database parameter
Description
When you update data in the DataWindow painter, PowerBuilder builds
a SQL UPDATE statement
in the background. The Date parameter determines how PowerBuilder specifies
a date datatype when it builds the SQL UPDATE statement.
Controls
-
JDB JDBC
-
ODBC
-
O90 Oracle9i
-
O10 Oracle 10g
-
ORA Oracle 11g
Syntax
The syntax you use to specify the Date parameter differs slightly
depending on the database.
The Database Profile Setup dialog box inserts special characters
(quotes and backslashes) where needed, so you can specify just the
date format.
In a PowerBuilder application script, you must use the following
syntax:
[JDBC and ODBC syntax]
PowerBuilder parses the backslash followed by two single quotes
('''
)
as a single quote when it builds the SQL UPDATE statement.
1 |
Date=' '''<span>date_format</span>''' ' |
[Oracle syntax]
PowerBuilder parses each set of four consecutive single quotes
(''''
)
as a single quote when it builds the SQL UPDATE statement.
1 |
Date=' ''''<span>date_format</span>'''' ' |
Parameter |
Description |
---|---|
‘ ”’ ‘ ”” |
JDBC and ODBC syntax Type a single quote, followed by one space, followed by a Oracle syntax Type a single quote, followed by one space, followed by four |
date_format |
The date format you want PowerBuilder to For more on display formats, see the Users |
”’ ‘ ”” ‘ |
JDBC and ODBC syntax Type a backslash, followed by two single quotes, followed Oracle syntax Type four single quotes, followed by one space, followed by |
Default
The default value for Date depends on the DBMS you are accessing,
as summarized in the following table:
DBMS |
Date default value |
---|---|
JDBC |
If no value is specified for the Date |
ODBC |
If no value is specified for the Date |
Oracle |
The default Oracle date format. For information, see your Oracle documentation. |
Examples
About these examples
Assume you are updating a table named Employee by setting
the Startdate column to 2006-04-23. This date is represented by
the following date format:
1 |
yyyy-mm-dd |
Example 1 (JDBC and ODBC syntax)
To specify that PowerBuilder should use this format for the
date datatype when it builds the SQL UPDATE statement:
-
Database
profileType the following in the Date Format box on the Syntax page
in the Database Profile Setup dialog box:1yyyy-mm-dd -
Application
Type the following in code:
1SQLCA.DbParameter="Date=' '''yyyy-mm-dd''' '"
What happens PowerBuilder builds
the following SQL UPDATE statement
to update the table:
1 |
UPDATE EMPLOYEE |
1 |
SET STARTDATE='2006-04-23' |
To specify that PowerBuilder should use this format for the
date datatype when it builds the SQL UPDATE statement:
-
Database
profileType the following in the Date format box on the Syntax page
in the Database Profile Setup dialog box:1yyyy-mm-dd -
Application
Type the following in code:
1SQLCA.DbParameter="Date=' ''''yyyy-mm-dd'''' '"
What happens PowerBuilder builds
the following SQL UPDATE statement
to update the table:
1 |
UPDATE EMPLOYEE |
1 |
SET STARTDATE='2006-04-23' |