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数据库管理系统(DBMS)为用户维护和操作数据库中的数据提供的工具,是数据库管理系统的重要组成部分,通过它实现对数据库进行各类操作,包括查询、增删改数据,定义修改数据模式等。
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database language
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reciprocal ideal class
reciprocal induction
reciprocal inhibition
reciprocal integral equations
reciprocal interchange
reciprocal kernels
Reciprocal lattice
reciprocal lattice
reciprocal lattice node
reciprocal-lattice point
reciprocal lattice vector
reciprocal-lattice vector
reciprocal linear dispersion
reciprocal linear representation
reciprocal Lucas constant
reciprocal mapping
reciprocal mass
reciprocal matrix
reciprocal medium
reciprocal multifactorial constant
reciprocal network
reciprocal number
reciprocal operator
reciprocal paper
reciprocal permutation representation
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