Answer:
The Update statement in the DML is used for changing existing data in a table.
Explanation:
Their are following Sql statement in the DML.
Insert
This SQL statement is used for inserting data into the table.
select
This SQL statement is used for retrieving data from database
update
This SQL statement is used for updating data in a table.
delete
This SQL statement is used for delete data from database .
The "UPDATE" SQL statement in DML is used for Modify the data in the existing table .
Following are the syntax of Update SQL query
Update tablename
set column1=value1,column2=value2............column N=valueN
Where condition;
Example :Suppose we have student table and (rollno,name,age and add) are the field for that table we have to change the address of rollno 105
Then we use update query like that
UPDATE STUDENT
SET add='kalam nagar'
where rollno=105;
Answer:
rv = "hello"
num_chars = len(rv)
print(num_chars)
Explanation:
*The code is in Python.
Initialize the string rv, in this example I set it to "hello"
Use the len() method to get the number of characters in the rv and set it to the num_chars
Print the num_chars
Note that the result will be 5 in this case, because <em>hello</em> consists of five characters
Answer:
binary computer natural language
C. a payday lender is a type of loan
Stopping the car. Do not continue driving if your tire has failed or blown out. After you stop the car, call for roadside assistance. Remember, safety first when you're driving!
