SQL SERVER 索引名前缀代表的意思

PK - Primary Key

IX - Non-Unique Index

AK - Unique Index (AX should have been AK (Alternate Key))

CK - Check Constraint

DF - Default Constraint

FK - Foreign Key

UK - Unique Key Constraint

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原文地址：https://www.cnblogs.com/lfxiao/p/6760892.html