expressionRequired. The value to convert to another data type styleOptional. The format used to convert between data types, such as a date or string format. Can be one of the following values: Converting datetime to character: Converting float to real: Converting money to character:...
40100 DEFAULT CHARACTER SET gbk */ rowinset(0.00 sec) 修改表的字符集 语法:alter table 表名 convert to character set 字符集; alter table test1 convert to character set utf8; 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 mysql> showcreatetabletest1\G *** 1...
SELECT CONVERT(CHAR(8), 0x4E616d65, 1) AS [Style 1, binary to character]; 结果集如下。输出 复制 Style 1, binary to character --- 0x4E616D (1 row(s) affected) 该例显示样式 2 不截断结果,因为结果中不包括字符 0x。SQL 复制 SELECT CONVERT(CHAR(8), 0x4E616...
使用字元集編碼charSet,將二進位expr轉譯為字元串。 語法 decode(expr, charSet) 引數 exprBINARY:在 中編碼的charset表達式。 charSet:STRING運算式。 傳回 STRING。 如果charSet不符合編碼,則結果未定義。 支援下列字元集編碼方式(不區分大小寫): 'US-ASCII':七位 ASCII、ISO646-US。
SELECT CONVERT(BINARY(4), '0x4E616D65', 1) AS [Style 1, character to binary]; 結果集如下所示。輸出 複製 Style 1, character to binary --- 0x4E616D65 (1 row(s) affected) SQL 複製 SELECT CONVERT(BINARY(4), '4E616D65', 2) AS [Style 2, character to binary]; 結果集如下所...
TO_CHAR (Converting Numbers to Character Strings) TO_CHAR(n [, fmt [,'nlsparams']]) Converts a numeric value into a character-based representation of that value. Parameters n Specifies a numeric value to convert. … - Selection from Oracle SQL: the Esse
SELECT CONVERT(CHAR(8), 0x4E616d65, 1) AS [Style 1, binary to character]; 结果集如下。输出 复制 Style 1, binary to character --- 0x4E616D (1 row(s) affected) 该例显示样式 2 不截断结果,因为结果中不包括字符 0x。SQL 复制 SELECT CONVERT(CHAR(8), 0x4E616...
REPLICATE() --函数返回一个重复character_expression 指定次数的字符串 /*select replicate('abc', 3) replicate( 'abc', -2) 运行结果如下 --- --- abcabcabc NULL*/ REVERSE() --函数将指定的字符串的字符排列顺序颠倒 REPLACE() --函数返回被替换...
Certain characters, such as the colon character (:) cannot be escaped.The hexadecimal encoding for the characters is in the format %nn.The characters encoded by ConvertTo-EncodedSqlName are: \ : . / % < > * ? [ ] |ExamplesExample 1: Encode a SQL Server table namePowerShell Kopyala ...
useSSL=false&useUnicode=true&characterEncoding=UTF-8&characterSetResults=UTF-8&zeroDateTimeBehavior=CONVERT_TO_NULL&serverTimezone=UTC',=,=,='sbtest','driver'='com.mysql.cj.jdbc.Driver','sink.buffer-flush.interval'='3s','sink.buffer-flush.max-rows'='1','sink.max-retries'='5');INSERTINTO...