Sqlsever the length of a string with spaces before and after the base Len function is computed

Town Field Poem:
——— Dream who feel, the water month Build blog. Baiqian tribulation, only know the vicissitudes of the world.
——— today holds the Buddhist language, the technology is boundless willing to learn. Willing to do what you learn, cast a conscience blog.
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1 --Amitabha is preceded by three spaces, followed by three spaces2 Select Len('Amitabha')--View the length of the string, excluding subsequent spaces3 Union4 Select datalength('Amitabha')--look at the number of bytes of the string, what space is not a space, all counted up5 --in nchar, Unicode encoding is used, all of which are 2 bytes, regardless of Chinese or English. Storing Chinese characters with this6 --Char, Chinese 2 bytes, English one byte. Store English with this

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The essence of the blog, in the technical part, more in the town yard a poem.
Sqlsever is a good language, worth studying hard. Familiar with the database of additions and deletions, write procedures necessary.
If the content of the post can be improved, or even the wrong place, please leave a comment, I will try to correct, strive to cast a conscience blog.
Note: This article is only as a scientific research study, if I inadvertently violated your rights and interests, please be sure to timely inform, I will make corrections.

Sqlsever the length of a string with spaces before and after the base Len function is computed