某一日发现这么如下这么一个错误 -->maximum number of expressions in a list is 1000 原因:因为SQL语句中用到了IN字句,而IN中的元素个数超过了1000个而导致。 方法: 1.在程序中将一个IN改成多个IN; 2.把IN List 改成一个SELECT语句,把IN List中的元素放到一个Nested Table中 3.控制in中的查询数量为1...
intol_list fromdual connectbylevel<=1000; executeimmediate'select count(*) from user_objects where object_id in ('||l_list||')' intol_cnt; end; / 这个例子中in中元素个数是1000, 可以正常运行,但是下面这个例子就会报错,因为IN中的元素个数超过了1000... declare l_cnt pls_integer; l_listvar...
这些表达式可以是算术运算符、比较运算符、逻辑运算符等。当我们把这些表达式放在一个列表中时,有时候可能会遇到 ora-01795 这样的错误,表示最大允许的表达式数量已达到上限。 错误解读 ORA-01795 错误通常是由于在一条 SQL 语句中使用了过多的表达式导致的。例如,如果你正在尝试执行一个包含大量逻辑运算符的 WHERE ...
仔细看一下，你是把所有参数都放到in里边了，超过了in的最大可置放参数（即那个list），所以就报错了。delete本身是没有问题的。建议改用 < > 来划定要删除的范围，并且操作主键数据来删除。希望对你有帮助。建议调用数据库的存储过程来进行删除用循环呗！
ORA-01795: maximum number of expressions in a list is 1000 Environment Identity governance 14.x Oracle Database Cause This is an inherit limitation of Oracle database. Resolution This is an inherit limitation in the Oracle IN clause. It does not accept more than 1000 entries. ...
Original Idea Number: aefc61d6f5 You have to put condition in your WHERE CLAUSE for mentioned ERROR(maximum number of expressions in a list is 1000):- -> WHERE (NVL (segment3, 'XYZ') IN (:Parameter_Name) OR 'ALL' IN (:Parameter_Name||'ALL') ) ...
In QA environment i am getting the oracle error 'Error ORA-01795: maximum number of expressions in a list is 1000; but in Development environment its working fine. we have the same data in Development and QAenvironment. Do you have any idea to fix this error ?
2011-10-21 09:48 −Load Test的时候发现这么如下这个错误... ORA-01795: maximum number of expressions in a list is 1000导致这个问题的原因是因为SQL语句中用到了IN字句,结果IN中的元素个数超过了1000导致了这个错误。如下所示... ... FangwenYu 1...
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java.sql.SQLSyntaxErrorException: ORA-01795: maximum number of expressions in a list is 1000 at java.lang.Throwable.(Throwable.java:67) at java.sql.SQLException.(SQLException.java:101) at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:68) ...