针对你的问题“sql string cannot be null or empty”,我将按照提供的tips来详细回答: 确认SQL语句中哪个字符串不能为null或empty: 首先,需要明确是哪个字符串字段在SQL语句中不能为null或empty。例如,在一个用户注册表单中,用户的邮箱地址(email)或用户名(username)可能不能为空。 检查该字符串在SQL语句中的上...
insert into tester values (1, ''); insert into tester values (1, null); ERROR at line 1: ORA-01400: cannot insert NULL into ("REFRESH"."TESTER"."DAT") How might you still insert a record in these circumstances? Note that the string value '' (no space) is seen by...
· 错误:1065 SQLSTATE: 42000 (ER_EMPTY_QUERY) 消息:查询为空。 · 错误:1066 SQLSTATE: 42000 (ER_NONUNIQ_TABLE) 消息:非唯一的表/别名:'%s' · 错误:1067 SQLSTATE: 42000 (ER_INVALID_DEFAULT) 消息:关于'%s'的无效默认值。 · 错误:1068 SQLSTATE: 42000 (ER_MULTIPLE_PRI_KEY) 消息:定义了...
SELECTNULL=NULL It returns NULL. The solution to getting all entries was to wrap string_field in COALESCE, which converts NULL to an empty string. 代码语言:javascript 代码运行次数:0 运行 AI代码解释 SELECTCOUNT(*)AScFROMtable1ASt1JOINtable2ASt2ONCOALESCE(t1.string_field,'')=COALESCE(t2.str...
ODPS-0121055:Empty argument value 模块:PROCESSOR。 严重等级:5。 触发条件:参数为空或NULL。 处理方法:修改入参。 ODPS-0121065:Argument value out of range 模块:PROCESSOR。 严重等级:5。 触发条件:参数值错误,超出允许范围。 处理方法:修改参数值。
such as an empty string, is a specific value for the corresponding column type to which we assign a special meaning similar toNULL. Further,NULLcan be assigned to a column of any data type, whereas empty strings only apply to string columns and cannot be used for other data types, such ...
DELTA_OVERWRITE_MUST_BE_TRUE, DELTA_STATS_COLLECTION_COLUMN_NOT_FOUND, DROP_SCHEDULE_DOES_NOT_EXIST, DROP_SCHEDULE_SCHEDULE_DOES_NOT_EXIST, FOREIGN_OBJECT_NAME_CANNOT_BE_EMPTY, INVALID_AWS_AUTHENTICATION, INVALID_AWS_AUTHENTICATION_EXPLICIT_OPTIONS, INVALID_COLUMN_OR_FIELD_DATA_TYPE, INVALID_EXTRACT...
0xC0029220-1073573344 DTS_E_WEBSERVICETASK_NULL_CONNECTION Connection cannot be null or empty. 0xC0029221-1073573343 DTS_E_WEBSERVICETASK_NOT_HTTP_CONNECTION The connection specified is not a HTTP connection. Verify that a valid HTTP connection is specified. 0xC0029222-1073573342 DTS_E_WEBSE...
注意修改数据库的 data/kingbase.conf中 ora_input_emptystr_isnull = false 或者是ora_input_emptystr_isnull = on (根据版本进行区分),因为golang没有null值,一般数据库都是not null,golang的string默认是'',如果这个设置为true,数据库就会把值设置为null,和字段属性not null 冲突,因此报错.配置文件修改后,...
Empty set (0.00 sec) ``` **恢复数据步骤**: 1. 登录mysql,查看目前的binlog文件 ```bash mysql> show master status; +---+---+ | Log_name | File_size | +---+---+ | mysql-bin.000051 | 967 | | mysql-bin.000052 | 965 | +---+...