This type of operation mainly includes other related operations not explained above. Depending on the specific SQL statement and other related factors, the following operations may appear in the execution plan of the relevant SQL statement.
1）SELECT STATEMENT
Retrieve the data in the table. This operation appears in the execution plan generated when the data in the table is retrieved through the select statement. This operation is specifically shown as node 0 in Figure 15-1.
Figure 15-1 Example of other related operations SELECT STATEMENT
2）SELECT STATEMENT REMOTE
Retrieves data from a table in a remote database. This operation appears in the execution plan generated when the data in the table of the remote database is retrieved through the select statement. This operation is specifically shown as node 0 in Figure 15-2.