public int findColumn(java.lang.String columnName) 參數 columnName String,包含資料行的名稱。 傳回值 指出資料行索引的 int。 例外狀況 SQLServerException 備註 這個findColumn 方法是由 java.sql.ResultSet 介面中的 findColumn 方法指定。 如果有多個資料行同名,findColumn 方法會傳回第一個區分大小寫的相符...
在一次表迁移测试中,我遇到了如下异常: Java.sql.SQLException,关闭的ResultSet;findColumn,at oracle.jdbc.driver.InsentiveScrollableResultSet.ensureOpen... 这个异常字面意思是Resultset已经关闭了...其结果是数据写入目标数据库出错,迁移失败。 但我清楚程序里是一定是没有在读取结束前就关闭连接而导致ResultSet提前...
Access Code - DELETE Statement with DISTINCTROW and T-SQL Access Now() vs. T-SQL GETDATE() ? ADD and SUBTRACT depending on the condition is CASE STATEMENT ADD COLUMN to variable table? Add prefix in data column Add Time in SQL HH:MM:SS to another HH:MM:SS Adding a column to a la...
[Android.Runtime.Register("findColumn","(Ljava/lang/String;)I","GetFindColumn_Ljava_lang_String_Handler:Java.Sql.IResultSetInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")]publicintFindColumn(string? columnLabel); ...
Connection pst = conn.prepareStatement(dataSql); resultSet = pst.executeQuery(); rsd = resultSet.getMetaData();【遇到的问题:问题现象及影响】 java.sql.SQLException: Can’t find column Column#371 in schema Column: Unique key: [[test.atdpersonpaycode.personid,test.atdpersonpaycode.timecarddate...
例如,我要查看INVOICE数据库的大小,那么可以通过下面SQL查看 mysql> use information_schema Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql> select concat(round(sum(data_length)/(1024*1024),2...
SQLancer might attempt to insert duplicate values into a column with aUNIQUEconstraint, as completely avoiding such semantic errors is challenging. Third, any bug reported by SQLancer is expected to be a real bug, except those reported by CERT (as performance issues are not as clearly defined as...
[22:00:36] [WARNING] unable to retrieve column names for table 'user' in database 'trucker1_neovb423' do you want to use common column existence check? [y/N/q] y [22:00:38] [INFO] checking column existence using items from '/usr/share/sqlmap/txt/common-columns.txt' ...
--autoinc:表的auto_increment--avgrowlen:表的平均行长度--checksum:表的checksum--cmin:表的创建时间,以分钟为单位--ctime:表的创建时间,以天为单位--collation:表的排序规则--column-name:表的列名--column-type:表的字段类型--comment:表的注释--createopts:表的创建选项--datafree:表的剩余大小--datasiz...
In the result of the previous SQL statement, we can see in the last column (WASTED_SIZE) that there are almost 650MB of wasted disk space. This column represents gaps in tablespaces. Let's find out for which tables and how to recover it: ...