ORA-14163: subpartition number string: INITRANS value must be less than MAXTRANS value

文档解释

ORA-14163: subpartition number string: INITRANS value must be less than MAXTRANS value

Cause: Value of INITRANS was found to be greater than that of MAXTRANS for a subpartition whose number (subpartitions are numbered starting with 1) is displayed in this message. Note that if INITRANS and/or MAXTRANS values for this subpartition were not specified explicitly, default values at partition-level would be used. If, in turn, default INITRANS and/or MAXTRANS values at partition-level were not specified, default values for the partitioned table or index would be used. If those values were also not specified explicitly, system defaults would be used.

Action: ensure that value of INITRANS (whether specified explicitly or derived from the default value at partition-level, table-level or index-level) is no greater than that of MAXTRANS

以及可能遇到的问题

这是一个Oracle数据库的错误消息。改错误表明,指定的表或表分区的INITRANS值大于MAXTRANS值。

官方解释

当在Oracle数据库中配置表、分区或子分区时,INITRANS值必须小于或等于MAXTRANS值。INITRANS的值指定事务在该对象上的登录时需要的初始缓冲池大小。MAXTRANS指定在一个事务实例中允许执行的最大缓冲池数。

常见案例

当执行CREATE TABLE、ALTER TABLE或ALTER PARTITION操作时,Oracle数据库会报ORA-14163: subpartition number string: INITRANS value must be less than MAXTRANS value错误,这是因为在创建表时,定义的INITRANS值大于MAXTRANS值。

正常处理方法及步骤

要处理ORA-14163错误,可以按以下步骤操作:

1.确保初始缓冲池INITRANS值小于或等于最大缓冲池MAXTRANS值。例如,如果需要在表或表分区中设置INITRANS值,可以使用ALTER TABLE或ALTER PARTITION语句。

2.如果无法将INITRANS值设置为小于或等于MAXTRANS值,可以使用CREATE TABLE语句重新创建表,并在创建表时指定正确的INITRANS和MAXTRANS值。

可能遇到的问题:

尽管以上步骤可能会避免ORA-14163错误,但有时仍会遇到问题。例如,如果用户尝试使用ALTER TABLE语句将INITRANS值设置为一个大于MAXTRANS值的数字,则会引发ORA-14163错误。此外,用户可能忘记指定INITRANS值,导致ORA-14163错误。

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