why varchar takes 2 extra bytes?
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Answer / mirza baig
to store the exact no. of characters stored in the varchar
| Is This Answer Correct ? | 7 Yes | 2 No |
Answer / yuvaevergreen
to store the length of the data in the variable..
>>when char is used, spaces are padded to the length of the
vraiable.
>>In varchar, spaces are not padded, exact data alone is
stored along with the length.
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / quesanswer
Each VARCHAR has two extra bytes reserved for it. One bite
for the preceding NULL indicator and one trailing byte
because VARCHAR is implemented as a ZSTRING.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / kallol
The two bytes are for the number of bytes for the binary
length of the field
| Is This Answer Correct ? | 1 Yes | 1 No |
i have a table like sales....the field are Prodid Jan(jam month sales)Feb March apr may jun july 1 20 76 50 74 94 93 83 2 30 94 40 94 93 93 02 3 40 90 30 49 94 92 56 4 70 20 30 93 46 35 78 5 23 40 40 39 84 46 57 6 85 30 55 93 46 46 46 7 84 20 65 83 56 57 57 8 10 93 40 93 68 57 36 9 57 30 30 83 67 57 79 10 38 83 40 83 55 68 47 11 35 39 90 94 57 78 47 12 83 89 50 93 79 69 69 i wat ti find the max sales of every product which i want to load into target table
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