| 摘要 |
A method and system for adding a new table to a database by defining the primary key of the new table on the basis of a column copied from a pre-existing table. The corresponding column of the new table may simply have the same identity as the column from which it is copied, may comprise some or all of the actual data entries of that column. Meta data such as the data type and precision of the column may also be copied. <IMAGE>
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