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A keyword is a reserved word used by the database. Database objects such as tables or columns cannot be named with a keyword. Th…
汇集 SQL92 相关的电路原理图、PCB工程文件、单片机/FPGA源代码、数据手册与应用设计方案。
A keyword is a reserved word used by the database. Database objects such as tables or columns cannot be named with a keyword. Th…