Mathematical relationships between variables are expressed within components, using MathML . MathML is used to make declarative expressions ( as opposed to procedural statements as in a computer programming language ).
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Using a CTE inside an INSERT INTO, one can populate a table with data generated from a recursive query; random data generation is possible using this technique without using any procedural statements.
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Public comment embedded in actual meetings is typical of meetings convened by legislative or executive bodies; judicial units do not have public comment, but rather testimony from witnesses and procedural statements from attorneys.