Updating cursor

When updating fields, if the incoming values match the type of field, the values will be cast as necessary.

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If a cursor definition has a query with multiple tables then only the table used in update statement is affected. OAuth Exception: (#10) To use 'Page Public Content Access', your use of this endpoint must be reviewed and approved by Facebook.

To submit this 'Page Public Content Access' feature for review please read our documentation on reviewable features: https://developers.facebook.com/docs/apps/review.

DECLARE 2 CURSOR my Cursor IS 3 SELECT * FROM sec_product FOR UPDATE OF product_description; 4 v_product_description VARCHAR2(20); 5 BEGIN 6 FOR idx IN my Cursor LOOP 7 v_product_description :=UPPER(idx.product_description); 8 UPDATE sec_product 9 SET product_description =v_product_description 10 WHERE CURRENT OF my Cursor; 11 END LOOP; 12 COMMIT; 13 END; 14 / PL/SQL procedure successfully completed.

The cursor version of UPDATE is similar to the interactive update, except for the WHERE clause.

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There can be a situation where you have to use a cursor, even though the experts say not to use cursors or to avoid them as much as possible.

Sales Order Detail SET Order Qty=100 WHERE CURRENT OF update_cursor -- get next available row into variables FETCH NEXT FROM update_cursor END close update_cursor Deallocate update_cursor The above query updates the orderqty column to 100 for a particular salesorderid.

When doing a cursor update the CURRENT OF keyword is used to update the current row.

Update Cursor(fc, fields) as cursor: # For each row, evaluate the WELL_YIELD value (index position # of 0), and update WELL_CLASS (index position of 1) for row in cursor: if (row[0] import arcpy workspace = 'c:/data/output.gdb' fc = 'c:/data/base.gdb/roads' fields = ['ROAD_TYPE', 'BUFFER_DISTANCE'] # Create update cursor for feature class with for row in cursor: # Update the BUFFER_DISTANCE field to be 100 times the # ROAD_TYPE field.

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