RAD Studio VCL Reference
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Executes a SQL statement against a connection object.
function ExecuteNonQuery: Integer; override;
virtual __fastcall int ExecuteNonQuery();
ExecuteNonQuery does not return data, but does allow you to perform SQL UPDATE, INSERT, or DELETE statements to modify a database. ExecuteNonQuery returns the number of rows affected for executing UPDATE, INSERT, or DELETE statements and -1 otherwise.
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