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ORA-30746: error occured while trying to drop column "string" in table "string"

ORA-30746: error occured while trying to drop column "string" in table "string"
Cause: The user tried to drop a subtype with VALIDATE option which tried to check for stored instances of the type in the stated table
Action: Delete all instances of this subtype and then drop the type.

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小智
ORA-30746：试图删除列“出现错误字符串表”，“ 串 ”,
.原因：用户尝试删除带有VALIDATE选项的子类型，该子类型试图检查指定表中类型的存储实例,
.操作：删除此子类型的所有实例，然后删除该类型。,
.
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  • 慧慧 提出于 2018-08-30 16:49

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