Timestamp Ordering Protocol in DBMS
Concurrency Control techniques in DBMS Multiple transactions executing at the same time on the same data, it may affect the result of the transaction. In order to maintain the concurrent access of transactions, different protocols are introduced. Lock Based Protocol Time-Stamp Based Protocol Validation Based Protocol Ti…
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Lock Based Protocol and 2PL in DBMS
Concurrency Control techniques in DBMS Multiple transactions executing at the same time on the same data, it may affect the result of the transaction. In order to maintain the concurrent access of transactions, different protocols are introduced. Lock Based Protocol Time-Stamp Based Protocol Validation Based Protocol …
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Working with files in PHP.
Working with files in PHP File simply a resource for storing information on a computer. store information:- Configuration settings of a program Simple data ex. contacts. Images, Pictures, Photos, etc. PHP File Formats Support: a wide range of file formats that include; File.txt File.log File.custom_extension i.e. fi…
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Working with directories in PHP
Working with directories in PHP. Directory · A directory is a file system. · cataloging structure. · Contains references to other computer files and other directories and subdirectories. · Known as folders. Operations of directory:- create, open, read, delete, list all files in the directory. Creating a…
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Integration of PHP with MySQL (How PHP Fits with MySQL)
Integration of PHP with MySQL (How PHP Fits with MySQL) MySQL commands within PHP code almost as seamlessly with HTML. There are Numerous PHP functions that work specifically with MySQL to make life easier. The following table lists the PHP functions that can be used with the MySQL server for added functionality in your PHP script. Some of the more co…
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