The syntax is as followsupdate yourTableName set yourColumnName1=yourValue where yourColumnName2=yourValue order by yourIdColumnName DESC LIMIT 1;To understand the above syntax, let us create a table. The query to create a table is as followsmysql> create table UpdateWithHighestDemo    -> (    -> UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY,   ... Read More

You can use DATE() function from MySQL for this. Let us first create a table −mysql> create table DemoTable (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentAdmissionDate timestamp ); Query OK, 0 rows affected (0.63 sec)Insert some records in the table using insert command −mysql> insert into ... Read More

The IntStream map() method returns the new stream consisting of the results of applying the given function to the elements of this stream.The syntax is as followsIntStream map(IntUnaryOperator mapper)Here, mapper parameter is a non-interfering, stateless function to apply to each elementCreate an IntStream and add some elementsIntStream intStream1 = IntStream.of(20, ... Read More

You need to use rand() function to select random result from MySQL.The syntax is as followsselect *from yourTableName order by rand() limit 1;To understand the above syntax, let us create a table. The query to create a table is as followsmysql> create table selectRandomRecord    -> (    -> StudentId ... Read More

Following is a generic example which uses getParameterNames() method of HttpServletRequest to read all the available form parameters. This method returns an Enumeration that contains the parameter names in an unspecified order.Once we have an Enumeration, we can loop down the Enumeration in the standard manner, using the hasMoreElements() method ... Read More

The iostream::eof in a loop is considered as wrong because we haven’t reached the EOF. So it does not mean that the next read will succeed.When we want to read a file using file streams in C++. And when we use a loop to write in a file, if we ... Read More

Let us first create a tablemysql> create table recordsDemo    -> (    -> UserId int,    -> Value int    -> ); Query OK, 0 rows affected (0.52 sec)Now insert some records in the table using insert command.The query is as followsmysql> insert into recordsDemo values(1, 10); Query OK, ... Read More

You can use SHOW command for this. Following is the syntax −show columns from yourTableName;Let us first create a table −mysql> create table DemoTable (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentFirstName varchar(20),    StudentLastName varchar(20),    StudentAge int,    StudentAddress varchar(200) ); Query OK, 0 rows affected ... Read More

Now let us see a program of Intel 8085 Microprocessor. In this program we will see how to perform bubble sort in based on choice.Problem Statement:Write 8085 Assembly language program to perform bubble sorting operation on a set of data, and arrange them into ascending or descending order based on ... Read More

You can use update command along with a user-defined variable. Let us first create a table −mysql> create table DemoTable (    FirstName varchar(20),    Position int ); Query OK, 0 rows affected (0.71 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Chris', 100); Query OK, ... Read More