To work with MySQL pagination, firstly let us see how to use CREATE command and use it to create a table. mysql>CREATE table RowCountDemo -> ( -> ID int, -> Name varchar(100) -> ); Query OK, 0 ... Read More

First, we will create a table and insert some values into the table. Let us create a table. mysql> create table RowValueDemo -> ( -> Name varchar(100) -> ); Query OK, 0 rows affected (0.69 sec) Insert records using ... Read More

We can use ‘cross join’ without on condition. Cross join gives the result in cartesian product form. For instance, if in one table there are 3 records and another table has 2 records, then the first record will match with all the second table records. Then, the same process will ... Read More

There are five main memory areas which are used to various Java elements. Following is the list of the same. Class Area - This area contains the static members of the class. Method Area - This area contains the method definition and executable code. Heap Area - This area ... Read More

Initialization When you assign a value to a variable when it is declared, it is called Initialization. Here is an example − int val = 50; For array initialization, you may need a new keyword, whereas to initialize a variable, you do not need it. Instantiation When you ... Read More

Analog Telephone Cores The early telephone networks had analog cores. Frequency division multiplexing (FDM) was used to transmit a number of voice signals over the single line. Twelve calls were multiplexed into a group. Five groups were multiplexed into a supergroup. Digital Telephone Cores The present telephone networks have digital ... Read More

We can show the result as a comma separated list with the help of the ‘concat()’ function with the parameter ‘, ’. Let us see an example now. Firstly, we will create a table. The CREATE command is used to create a table. mysql> create table CommaSeperateDemo ... Read More

Both are engine types. Here is the query by which we can get to know which engine type and tables are being used. Firstly, we will choose the database with the help of USE command − mysql> USE business; Database changed Here is the query through which we ... Read More

To change MySQL column definition, we can use modify or change clause with ALTER command. Let us first create a table with a column as ID, with int data type. We will modify the same column name with varchar data type. Creating a table. mysql> create table ModifyColumnDemo ... Read More

The composite index can be used when we are using sub queries. The advantages of using composite index are in case of. Joining Filtering Selecting The following is the syntax of index. index(column_name1, column_name2, column_name3, column_name4, ............................N) Let us create a table first and within that ... Read More