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SQL Quiz
SQL QuizMySQL NOW() Function
MySQL Date Functions
Definition and Usage
NOW() returns the current date and time.
Syntax
NOW()
Example
The following SELECT statement:
SELECT NOW(),CURDATE(),CURTIME()
will result in something like this:
| NOW() | CURDATE() | CURTIME() |
|---|---|---|
| 2008-11-11 12:45:34 | 2008-11-11 | 12:45:34 |
Example
The following SQL creates an "Orders" table with a datetime column (OrderDate):
CREATE TABLE Orders
(
OrderId int NOT NULL,
ProductName varchar(50) NOT NULL,
OrderDate datetime NOT NULL DEFAULT NOW(),
PRIMARY KEY (OrderId)
)
(
OrderId int NOT NULL,
ProductName varchar(50) NOT NULL,
OrderDate datetime NOT NULL DEFAULT NOW(),
PRIMARY KEY (OrderId)
)
Notice that the OrderDate column specifies NOW() as the default value. As a result, when you insert a row into the table, the current date and time are automatically inserted into the column.
Now we want to insert a record into the "Orders" table:
INSERT INTO Orders (ProductName) VALUES ('Jarlsberg Cheese')
The "Orders" table will now look something like this:
| OrderId | ProductName | OrderDate |
|---|---|---|
| 1 | Jarlsberg Cheese | 2008-11-11 13:23:44.657 |
MySQL Date Functions
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