The correct answer is True the standards for sql has been maintained by the american national standards institute (ansi).
The existing records in a table can be deleted using the SQL DELETE Query. All of a table's rows are removed using the truncate command. A where clause cannot be used in this. A DDL command, that is. Each record that has to be deleted from a table is locked using the SQL Delete statement. Data kind. Fixed-length character data types are the second best option for a primary key after integer (number) data types. Because character data type values must first be converted to ASCII values before processing, SQL Server processes number data type values more quickly than character data type values. String(n) is not supported by the SQL standard, although char, varchar, and float are.
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