Sometimes it is required to hide the actual PDF file name for security reason. So using a webpage you can display PDF in browser without knowing the actual URL. Example source: <?php $file = ‘path-to-pdf-file/myFile.pdf’; […]
Page rank is an algorithm that is used by search engine to rank your website depending on importance of links. Various types of links are available on your website i.e. backlinks, internal links, external links, […]
MySQL has an alternative of IF statement i.e. MySQL CASE statement by which you can check conditional statement. Besides the IF statement in MySQL, this provides an alternative conditional statement i.e. called CASE. The MySQL […]
On 31st of every month you will get a wrong month value while using date() or strtotime() functions. In that case you need to pass the date of the first day of the current month […]
There are so many MySQL functions that commonly used to minimize the statements like string operation functions, date time functions, aggregate functions etc. MySQL LAST_INSERT_ID To get the last generated sequence number of the last […]
If statement allows you to execute a set of SQL statements based on condition. If certain condition returns true then statement executes, otherwise not. Example: DELIMITER $$ CREATE PROCEDURE MyifCond() BEGIN DECLARE x INT; SET […]
Cursor allows you to iterate a group of rows fetched by a query and process each row. It is read only, non-scrollable and asensitive. Declare a cursor: DECLARE <cursor_title> CURSOR FOR SELECT_statement; Open a cursor: […]
MySQL allows you to loop statement for executing a block repeatedly based on a condition. These are like WHILE, REPEAT and LOOP. WHILE LOOP: It checks the expression at the beginning of each iteration. Example: […]
In MySQL you can list or show all stored procedures and manage more efficiently. Display source code of stored procedure: Use SHOW CREATE PROCEDURE statement to display source code of a particular stored procedure. SHOW […]
All the stored procedure needs parameters to make more flexible. It has one of these three modes i.e. IN, OUT or INOUT. IN: Default mode i.e. calling program has to pass an argument to the […]