sysdate_trunc.txt

orale培训教材包括了所有的sql说明和实例

-- 当前日期为标准格式
SELECT * FROM plsql101_product
WHERE  TRUNC(last_stock_date) = '当前日期';

DELETE FROM plsql101_product 
WHERE  product_name = 'Square Zinculator';

INSERT INTO plsql101_product VALUES 
     ('Square Zinculator', 45, 1, trunc(sysdate));

 
-- 当前日期为标准格式
SELECT * FROM plsql101_product
WHERE  last_stock_date = '当前日期';