Internal tables − Internal tables are a means of storing data in the fixed format in working memory of ABAP. The data is stored line by line. So it is necessary for the data to be in a fixed format. Generally, they are used to store data in database tables to ... Read More

Note that Image must be uploaded from system to MIME beforehand.Run Transaction SE78 → Upload (F5).You have to declare 2 variables in the interface - global data with types string and xstring, You need to change the data declaration as below −data: gv_bmp_watermark type xstring. constants: gc_url_watermark type string value ... Read More

To declare a variable, you need to know what data type it is going to be of and what its name would be. The variable name has constraints on what you can name it. Following are the rules for naming variables − Variable names in C++ can range from 1 to ... Read More

An enumerated type declares an optional type name and a set of zero or more identifiers that can be used as values of the type. Each enumerator is a constant whose type is the enumeration. For example, if you are creating an application that has a fixed number of types ... Read More

With the help of MySQL string function ASCII(), we can get the number code of a particular character. Its syntax is ASCII(str) where, str, the argument of ASCII() function, is the string whose ASCII value of the first character to be retrieved.It will return the number code the left the ... Read More

We have seen the MySQL SELECT command to fetch data from the MySQL table. We can also use a conditional clause called as the WHERE clause to select the required records.A WHERE clause with the ‘equal to’ sign (=) works fine where we want to do an exact match. Like ... Read More

This article will help you to create IPtables rules that you can directly use for your daily or routine needs, These examples will act as basic templates for you to work on iptables with these rules which suit your specific requirement.Deleting the IPtables or Existing RulesBefore you start building new ... Read More

When we use CONCAT_WS() function with WHERE clause then the output would be based upon the condition provided in WHERE clause. It can be understood from the example of ‘Student’ table as followsExamplemysql> Select CONCAT_WS(' ', Name, Last_name, 'Resident of', Address, 'is studying', Subject)AS 'Student Detail' from student WHERE id ... Read More

While using the ASCII() function with WHERE clause, the output returns by it will depend upon the condition given in WHERE clause. For example, suppose we have a table named ‘Student’ and we want to get the number code, higher than 65, of the first characters of the names of ... Read More

This article will help to know how to configure an NTP (Network Time Protocol) server and client on RHEL/Cent OS Linux to manage the system clock with to help of an NTP server.NTP (Network Time Protocol)NPT is used to synchronize a computer’s machine’s time with another time source. In RHEL ... Read More