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Results tagged with relational-theory
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user 179974
On this site this tag applies to questions about Relational Model theory. The Relational Model for database management is an approach to managing data using a structure and language consistent with first-order predicate logic. In the Relational Model of a database, all data is represented in terms of tuples, grouped into relations. A database organized in terms of the Relational Model is a relational database.
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Calculating memory size required for an index
Assume I have the following table:
CREATE TABLE t1 (
id int NOT NULL PRIMARY KEY,
rank int NOT NULL,
phrase varchar(100) NOT NULL
);
with 10 billion records in a relational database like …
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