*****************************************************************
Update

Updates records in a table with new values.

Note:
The SQL UPDATE command can update records for a single table only.

UPDATE Target
SET Column_Name1 = eExpression1 [, Column_Name2 = eExpression2 ...]
[FROM [FORCE] Table_List_Item [[, ...] | [JOIN [ Table_List_Item]]]
WHERE FilterCondition1 [AND | OR FilterCondition2 ...]

******************************************************************
Replace [all]

Updates table records.


REPLACE FieldName1 WITH eExpression1 [ADDITIVE]
[, FieldName2 WITH eExpression2 [ADDITIVE]] ... [Scope]
[FOR lExpression1] [WHILE lExpression2] [IN nWorkArea | cTableAlias]
[NOOPTIMIZE]