Shulou(Shulou.com)06/01 Report--

Today, I accidentally found a small problem when using Oracle, that is, when using the cast function to convert types, the text was truncated, which is now posted as follows:

Select Cast ('not filled' As Nvarchar2 (16)) As Hg From Dual

Select Cast ('unfilled' As Nvarchar2 (16)) As Hg From Dual

Select Cast ('what not filled in' As Nvarchar2 (16)) As Hg From Dual

Conclusion: some Chinese characters are truncated, such as' Please select 'and' no nuclear tube 'for testing, while' what is' can be displayed normally, and the problem of length and character set has been ruled out, but there is no such problem for other varchar,varchar2,nvarchar types.

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