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  1. To update data in a table or view, use the UPDATE statement. With the UPDATE statement, you can change the value of one or more columns in each row that meets the search condition of the WHERE clause.

  2. UPDATE statement. The UPDATE statement updates the values of specified columns in rows of a table, view or nickname, or the underlying tables, nicknames, or views of the specified fullselect. Updating a row of a view updates a row of its base table, if no INSTEAD OF trigger is defined for the update operation on this view.

  3. To change the existing data in a table, you use the following UPDATE statement. Here is its syntax: UPDATE table_name SET c1 = v1, c2 = v2, ... , cn = vn [WHERE condition] Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify the name of the table that you want to update data.

  4. The UPDATE statement modifies zero or more rows of a table, depending on how many rows satisfy the search condition that you specify in the WHERE clause. You can use an UPDATE or MERGE statement to specify the values that are to be updated in a single row. You can specify constants, host variables, expressions, DEFAULT, or NULL.

  5. DB2 - SQL Update Statement. The UPDATE statement updates the values of specified columns in the rows of a table. It is used to modify the existing records in a table. UPDATE table_name. SET column1 = value1, column2 = value2, ... WHERE condition; Be careful when you updating a records in a table.

  6. You can define a common table expression wherever you can have a fullselect statement. For example, you can include a common table expression in a SELECT, INSERT, SELECT INTO, or CREATE VIEW statement. Possible workaround. If the CTE isn't updatable, just remove the CTE, and write an UPDATE statement.

  7. If UPDATE query successfully updates the data into table, then UPDATE query will return +000 (SUCCESSFUL) as SQLCODE. If UPDATE query not found any rows to update, then UPDATE query will return +100 (NOT FOUND) as SQLCODE.

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