varchar is column of boxed strings, so may be try this
Insert__testd 'id1';< < L:0 'a';'b';'c'
Insert__testd 'id1';< < L:0 'a1';'b1';'c1'
Reads__testd 'from id1'
+-----+------+-----+
|first|second|third|
+-----+------+-----+
|a |b |c |
|a1 |b1 |c1 |
+-----+------+-----+
The unformatted version Read show clearly the boxed string.
Read__testd 'from id1'
+------+------+
|first |+-+--+|
| ||a|a1||
| |+-+--+|
+------+------+
|second|+-+--+|
| ||b|b1||
| |+-+--+|
+------+------+
|third |+-+--+|
| ||c|c1||
| |+-+--+|
+------+------+
Performance-wise consideration, I think char is more time-efficient than
varchar. (untested)
--
regards,
====================================================
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