AI代码解释 mysql>create tablef2(f1float(15,2));QueryOK,0rowsaffected(0.01sec)mysql>insert into f2values(123456789.39);QueryOK,1rowaffected(0.00sec)mysql>select*from f2;+---+|f1|+---+|123456792.00|+---+1rowinset(0.00sec) 最后你会发现,连整数都不准了,小数被完全抹去了。 第二个误区,对于...
Query OK, 1 row affected (0.00 sec) root@localhost : test 05:49:57>insert into fl values(3,1234.567);#7位了 Query OK, 1 row affected (0.00 sec) root@localhost : test 05:50:13>insert into fl values(4,1234567);#7位了 Query OK, 1 row affected (0.00 sec) root@localhost : test ...
首先遇到问题,第一想到的就是官方找答案,我们翻阅官方文档,关于float和double有这样一段描述 For FLOAT, the SQL standard permits an optional specification of the precision (but not the range of the exponent) in bits following the keywordFLOAT in parentheses. MySQL also supports this optional precision ...
I have inserted a value in a table on float colum. And When I am seeing the record in ssms, it looks like exponential value. For example, please execute the below query in ssms and see the output in SSMS. we could see the exponential value as output. ...
QueryOK,0rows affected(0.01sec) mysql>insertintof2 values(123456789.39); QueryOK,1row affected(0.00sec) mysql>select*fromf2; +---+ |f1| +---+ |123456792.00| +---+ 1rowinset(0.00sec) 最后你会发现,连整数都不准了,小数被完全抹去了。
mysql> insert into t1 values(1234567.23, 1234567.23); Query OK, 1 row affected (0.01 sec) mysql> select * from t1; +———+———+ | c1 | c3 | +———+———+ | 1234567.25 | 1234567.23 | +———+———+ 1 row in set (0.02 sec) mysql> insert ...
(0.00 sec) mysql> start transaction -> ; Query OK, 0 rows affected (0.00 sec) mysql> select * from stu_info; ERROR 1046 (3D000): No database selected mysql> set session transaction isolation level serializable -> exit -> ; ERROR 1064 (42000): You have an error in your SQL syntax...
ES中时间查询报错:Caused by: ElasticsearchParseException[failed to parse date field [Sun Dec 31 16:00:00 UTC 2017] with format [yyyy-MM-dd HH:mm:ss||yyyy-MM-dd||epoch_millis]]; spring boot集成ES进行时间范围查询,报错如下: * Failed to execute phase [query], all shards failewindows...
1 row in set (0.00 sec) 注:小数位数不够,自动补齐,但是存在一个问题就是如上的近似值。 mysql> insert into tt(num)values(123456.867); Query OK, 1 row affected (0.04 sec) mysql> select * from tt; +---+ | num | +---+ | 123456.797...
void RetrieveFloatValue() { _RecordsetPtr pRst("ADODB.Recordset"); pRst->Open(sqlQuery.AllocSysString(), pConn.GetInterfacePtr(), adOpenKeyset, adLockOptimistic, adCmdText); if (!pRst->EOF) { while (!pRst->EndOfFile) { // Assuming MyFloatColumn is of type float in the data...