当你在处理数据库查询时,遇到“query block has incorrect number of result column”这样的错误,通常意味着你的查询块(query block)返回的结果列数与期望的不一致。这可能是由于多种原因造成的,比如SQL语句书写错误、连接查询时列名冲突、或者函数调用返回了不同数量的列等。下面我将根据提示,分点详细解释如何解决这...
a今天的日期是什么?6月9日。 What is today date? On June 9.[translate] aIf you smell what is The Rock is cooking 正在翻译,请等待...[translate] aquery block has incorrect number of result columns 询问块有结果专栏的不正确数字[translate]...
Caused exception message is: ORA-01789: query block has incorrect number of result columns 情景一: 表示在使用union all 合并表时列的数量不一致、肯定是哪里漏了一个字段 情景二: sql的格式不正确,比如说sql嵌套的时候,将别名放在了括号里面等等情况 情景二: sql的格式不正确,比如说sql嵌套的时候,将别名放...
select id, xm, yx login_id, password, '2' logintype, zplj from ty_zcxx where yx='admin' and password='8FAC419DC06AE7FCDA80424B0F7761C2' order by logintype 错误原因:union后的语句中少了jgbm,字段 问题解决
ORA-01789: query block has incorrect number of result columns 问题描述 ORA-01789: query block has incorrect number of result columns 原因如下 查询使用了union或者union all的时候查询上下的字段不一致导致, 需要仔细查看union前和union后的查询的字段是否一致,是否有丢失的字段。
这种问题一般出现在用UNION将若干个select连接到一起，由于select的列的个数不相等，union出错
Workspace Manager - Version 10.2.0.4.4 and later: ORA-1789: Query Block Has Incorrect Number Of Result Columns - While Upgrading Oracle Workspace Manager
java.sql.SQLException: ORA-01789: query block has incorrect number of result columns at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125) at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:305) at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:272) ...
When trying to create new PCM model, the error message " General Database Error (Database error (class CViewActiveEPOModels) – ORA-01789: query block has incorrect number of result columns " is displayed.
You can see the steps in a query plan by running the EXPLAIN command. The following example shows an SQL query and explains the output. Reading the query plan from the bottom up, you can see each of the logical operations used to perform the query. For m