Matches in DBpedia 2015-10 for { ?s ?p "In database theory, a conjunctive query is a restricted form of first-order queries. Many first-order queries can be written as conjunctive queries. In particular, a large part of queries issued on relational databases can be expressed in this way. Conjunctive queries also have a number of desirable theoretical properties that larger classes of queries (e.g., the relational algebra queries) do not share."@en }
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- Conjunctive_query abstract "In database theory, a conjunctive query is a restricted form of first-order queries. Many first-order queries can be written as conjunctive queries. In particular, a large part of queries issued on relational databases can be expressed in this way. Conjunctive queries also have a number of desirable theoretical properties that larger classes of queries (e.g., the relational algebra queries) do not share.".
- Conjunctive_query comment "In database theory, a conjunctive query is a restricted form of first-order queries. Many first-order queries can be written as conjunctive queries. In particular, a large part of queries issued on relational databases can be expressed in this way. Conjunctive queries also have a number of desirable theoretical properties that larger classes of queries (e.g., the relational algebra queries) do not share.".