query language造句31 An example is the language SQL(Structured Query Language), which forms the backbone of most relational database query system.
32 SQL(structured query language) efficiency is the key factor in the relational data base management system(RDBMS).
33 For more complex navigation, the Java Persistence Query Language also supports path expressions that can navigate using multiple single valued relationship fields, such as td.trade.tid (Listing 18).
34 Non-Procedural Query Language: Relational-type database include a data manipulation language called SQL (Structured Query Language).