3158
By the early 1990 s , however , relational systems dominated in all large-scale data processing applications , and they remain dominant : IBM DB2 , Oracle , MySQL , and Microsoft SQL Server are the most searched DBMS .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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