ORA-01748 错误信息表示:“only simple column names allowed here”,即“此处只允许使用简单的列名”。这个错误通常发生在 SQL 查询中,尤其是涉及到别名(alias)或者表达式作为列名时,但 Oracle 数据库不允许在特定的上下文(如 GROUP BY、ORDER BY 子句等)中使用复杂的表达式或别名作为列名。 2. 导致 ORA-01748 ...
方法/步骤 1 1.在做两个表关键查询的时候报如下错误：ORA-01748: only simple column names allowed here 2 2.做这个查询所要达到的效果是，两张表有共同的关联字段deptno。通过关联字段查询出两个表中的数据。3 3.根据错误提示可以看到是using关键字后面只能使用单个字段 4 4.但这样查询出来的数据，看的并不...
为此我们日夜兼程奋斗了两年半时间，我们认为 1.0 版本达到了可在生产环境中使用的程度。
DTS_E_DUPLICATEDATASOURCECOLUMNNAME DTS_E_DUPLICATEIDFOUND DTS_E_DUPLICATELINEAGEIDSINCOLLECTION DTS_E_DUPLICATENAMESINCOLLECTION DTS_E_DUPLICATEOUTPUTCOLUMNNAMES DTS_E_ELEMENTNOTFOUND DTS_E_EMPTYRUNTIMECONNECTIONMANAGERID DTS_E_ENUMERATIONELEMENTNOTENUMERABLE DTS_E_EOFANNOUNCEMENTFAILED ...
NoResizeAllowed NoSpaceRaiseLower NoTabHangIndent NotTrueType NoWrap Nsid NumberFormatValues Numbering NumberingChange NumberingFormat NumberingId NumberingIdMacAtCleanup NumberingInstance NumberingLevelReference NumberingPictureBullet NumberingProperties NumberingRestart NumberingStart NumberingStyleLink NumberingS...
DTS_E_DUPLICATEOUTPUTCOLUMNNAMES 欄位 DTS_E_ELEMENTNOTFOUND 欄位 DTS_E_EMPTYRUNTIMECONNECTIONMANAGERID 欄位 DTS_E_ENUMERATIONELEMENTNOTENUMERABLE 欄位 DTS_E_EOFANNOUNCEMENTFAILED 欄位 DTS_E_ERRMSGTASK_DIFFERENTMESSAGEANDLANGUAGESIZES 欄位 DTS_E_ERRMSGTASK_EMPTYSOURCELIST 欄位 DTS_E_ERRMSGTASK_ERROR...
Sometimes I am in a meeting where one of the persons in the meeting is actually near me in the world outside the screen. In this case the sound is a bit...
Finding gendered street names While the code used there may not be fully compatible or be the most efficient with the latest version of Wikidata, they still provide a useful term of reference. See the vignettevignette("wikipedia_start")for an example of a possible workflow. ...
AlterTableAlterColumnOption AlterTableAlterColumnStatement AlterTableAlterIndexStatement AlterTableAlterPartitionStatement AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement AlterTableRebui...
AlterTableAlterColumnOption AlterTableAlterColumnStatement AlterTableAlterIndexStatement AlterTableAlterPartitionStatement AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement Al...