of Inserts that fail (you can kinda get a “feeling” for this), and you’re only interested in an estimation of the record count, then this method can be useful even though it’s not exact. From time to time

использованием списка столбцов CREATE VIEW PRICE_WITH_MARKUP ( CODE_PRICE, COST, COST_WITH_MARKUP ) AS SELECT CODE_PRICE, COST, COST * 1.1 FROM PRICE; Пример 4.62. Создание представления использованием псевдонимов полей CREATE VIEW PRICE_WITH_MARKUP AS SELECT CODE_PRICE, COST, COST * 1.1 AS COST_WITH_MARKUP FROM PRICE; Пример 4.63. Создание необновляемого представления использованием хранимой процедуры CREATE VIEW GOODS_PRICE AS SELECT goods.name AS goodsname, price.cost AS cost, b.quantity AS quantity Операторы DDL 148 FROM goods JOIN price ON goods.code_goods

Pc WHERE speed >= 500 AND price < 800; 2. Retrieve information about all dot matrix printers that cost less than $300: SELECT * FROM Printer WHERE ptrtype = 'matrix' AND price < 300; 3. The following CREATE VIEW PRICE_WITH_MARKUP ( CODE_PRICE, COST, COST_WITH_MARKUP ) AS SELECT CODE_PRICE, COST, Chapter 5. Data Definition (DDL) Statements 132 COST * 1.1 FROM PRICE; 4. Creating a view with same result as in Example 3). CREATE VIEW PRICE_WITH_MARKUP AS SELECT CODE_PRICE, COST, COST * 1.1 AS COST_WITH_MARKUP FROM PRICE; 5. Creating a read-only view based on two tables and a stored

Pc WHERE speed >= 500 AND price < 800; 2. Retrieve information about all dot matrix printers that cost less than $300: SELECT * FROM Printer Chapter 4. Common Language Elements 85 WHERE ptrtype = 'matrix' after the last connection to that database was closed. This can help to improve performance at low cost, when the database is opened and closed frequently, by keeping resources “warm” for the next connection explicit column list. CREATE VIEW PRICE_WITH_MARKUP ( CODE_PRICE, COST, COST_WITH_MARKUP ) AS SELECT CODE_PRICE, COST, COST * 1.1 FROM PRICE; 4. Creating a view with the help of aliases for fields

expliziten Spaltenliste. CREATE VIEW PRICE_WITH_MARKUP ( CODE_PRICE, COST, COST_WITH_MARKUP ) AS SELECT CODE_PRICE, COST, COST * 1.1 FROM PRICE; 4. Erstellen einer View mit Hilfe von Aliasen für Ergebnis wie in Beispiel 3). CREATE VIEW PRICE_WITH_MARKUP AS SELECT CODE_PRICE, COST, COST * 1.1 AS COST_WITH_MARKUP FROM PRICE; 5. Erstellen einer schreibgeschützten Ansicht basierend auf zwei gespeicherten Prozedur. CREATE VIEW GOODS_PRICE AS SELECT goods.name AS goodsname, price.cost AS cost, b.quantity AS quantity FROM goods JOIN price ON goods.code_goods = price.code_goods LEFT

statement, as it normally will, the UPDATE will run a lot slower than usual and will greatly increase the cost of subsequent garbage collection against that table. 10.1.2. Cooperative Garbage Collection This

versions, but if you do so, you must document your modifications and make them publicly available, at no cost, under the same license as the original code. • You may include Firebird source code (modified or

versions, but if you do so, you must document your modifications and make them publicly available, at no cost, under the same license as the original code. • You may include Firebird source code (modified or