A cursor is a pointer to this context area. PL/SQL controls the context area through a cursor. A cursor holds the rows (one or more) returned by a SQL statement. The set of rows the cursor holds is ...
Comparing cursor vs. WHILE loop performance in SQL Server 2008 Your email has been sent Tim Chapman discusses your iteration choices in SQL Server 2008 and explains why determining which option ...
Hi and thanks for APSW, I would need to be able to determine the number of columns which a SQL select statement would return, even when the number of returned rows is empty. Calling cursor.description ...
A Cursor allow us to retrieve data from a result set in single means row by row. Cursor are required when we need to update records in a database table one row at a time. A static cursor populates the ...
The RowNumber argument specifies the number of the row in the rowset on which to perform the operation specified by the Operation argument. If RowNumber is 0, the operation applies to every row in the ...
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