针对你提出的“mysql function decode does not exist”的问题,我将按照提供的Tips进行分点回答: 确认MySQL版本及环境: 首先,确认你正在使用的MySQL版本。DECODE函数并不是MySQL内置的函数,而是Oracle数据库中的一个函数。因此,无论你的MySQL版本是什么,DECODE函数都不会存在。 检查dec
在尝试使用 DECODE 函数时,开发者在 MySQL 中收到如下错误提示: ERROR 1305 (42000): FUNCTION mydb.DECODE does not exist 1. 异常表现统计 60%的用户在使用该功能时遇到错误 功能响应时间比预期慢50% 测试阶段发现4个主要错误,影响多项业务逻辑 SELECT DECODE(status, '1', 'Success', '0', 'Failure')...
mysql 查询判断函数,类似decode mysql中没有decode函数,如果使用的话,会报如下错误:Error Code: 1305. FUNCTION stockdb.decode does not exist 如果要实现像 Oracle 数据库那样原生的 DECODE 函数,可以通过以下几种方式来实现类似 DECODE 函数的功能。 -- 创建示例表 CREATE TABLE employees ( id INT, name VARCH...
示例1:在字符串上实现DECODE函数。 SELECTDECODE(ENCODE('geeksforgeeks', 'passwordstring'), 'passwordstring'); 输出: geeksforgeeks 示例2:在由字符和整数组成的字符串上实现DECODE函数。 SELECTDECODE(ENCODE('geeksforgeeks123', 'passwordstring'), 'passwordstring'); 输出: geeksforgeeks123 示例3:在NULL...
错误:1128SQLSTATE: () HY000 ER_FUNCTION_NOT_DEFINED 消息:函数’%s’未定义 错误:1129SQLSTATE: () HY000 ER_HOST_IS_BLOCKED 消息:由于许多连接错误,主机’%s’被阻止 unblock with’mysqladmin flush-hosts’ 错误:1130SQLSTATE: () HY000 ER_HOST_NOT_PRIVILEGED ...
错误号:1128; 符号: ER_FUNCTION_NOT_DEFINED; SQLSTATE: HY000 消息:未定义功能'%s' 错误号:1129; 符号: ER_HOST_IS_BLOCKED; SQLSTATE: HY000 消息:由于许多连接错误,主机'%s'被阻止;用'mysqladmin flush-hosts'解锁 错误号:1130; 符号: ER_HOST_NOT_PRIVILEGED; SQLSTATE: HY000 ...
How does DECODE() function work in MySQL? The DECODE() function syntax utilizes two parameters to decode an encoded value and generate the output. The first parameter is the string value that needs to be searched or compared, typically in an encrypted or cryptic form. The second parameter of...
If you pass this function akey_strargument, that string is used as the key for decrypting the message. If thecrypt_strargument does not appear to be an encrypted string, MySQL returns the givencrypt_str. Note TheDES_ENCRYPT()andDES_DECRYPT()functions are deprecated in MySQL 5.7, are remove...
References to a stored function without a database name qualifier while there was no default database resulted in anER_SP_DOES_NOT_EXISTerror rather thanER_NO_DB_ERROR. (Bug #64692, Bug #13864485) The server refused client connections while executingFLUSH PRIVILEGES. (Bug #63178, Bug #134...
RETURN is only allowed in a FUNCTION • Error number: 1314; Symbol: ER_SP_BADSTATEMENT; SQLSTATE: 0A000 Message: %s is not allowed in stored procedures • Error number: 1315; Symbol: ER_UPDATE_LOG_DEPRECATED_IGNORED; SQLSTATE: 42000 Message: The update log is deprecated and replaced ...