The cells in the right column of the table shown in figure 4.5 have different leading or padding. Observe that the default leading of the content of a cell in text mode is equal to the font size. Internally, the leading is set like this: This is different from the default leading of a Phrase object outside a PdfPCell.
There can be a lot of differences between a UDF and stored procedure, as the prior link has shown. Another difference is the UDF can be directly selected from, whereas a stored procedure requires one to insert the results into a tempory table or table variable.
Stored procedures can: 1  Take parameters. 2  Call other procedures. 3  Return a status value to a calling procedure or batch to indicate success or failure and the reason for failure.  Return values of parameters to a calling procedure or 1  batch. Be executed on remote Adaptive Servers.