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Showing posts from March, 2018

Basic Information About GST

Understanding the basics of GST Updated on  Jun 09, 2017 - 06:31:10 PM People have taken note of the GST or the Goods Services Tax law. A new law has been proposed which is set to reform how people do business and the way goods and services are taxed in India. Whether it makes goods cheaper for the common man like you and me, nobody can tell. But this is going to impact our lives in our jobs, our businesses and the overall economic environment.  Reason enough for us to learn something about it! Who does it apply to? To every person who supplies goods and/or services of value exceeding Rs 20 lakh in a financial year. (Limit is Rs 10 lakh for some special category states). Compulsory registration for these. And GST must be paid when turnover exceeds Rs 20 lakh (Rs 10 lakh for some special category states). To any person making inter-state taxable supply of goods and/or services Every e-commerce operator Every person who suppli...

BASIC LINUX COMMANDS

Unix/Linux Command Reference .com File Commands ls – directory listing ls -al – formatted listing with hidden files cd dir - change directory to dir cd – change to home pwd – show current directory mkdir dir – create a directory dir rm file – delete file rm -r dir – delete directory dir rm -f file – force remove file rm -rf dir – force remove directory dir * cp file1 file2 – copy file1 to file2 cp -r dir1 dir2 – copy dir1 to dir2; create dir2 if it doesn't exist mv file1 file2 – rename or move file1 to file2 if file2 is an existing directory, moves file1 into directory file2 ln -s file link – create symbolic link link to file touch file – create or update file cat > file – places standard input into file more file – output the contents of file head file – output the first 10 lines of file tail file – output the last 10 lines of file tail -f file – output the contents of file as it grows, starting with the last 10 lines Process Management ps – display ...

DATABASE ARCHITECTURE

What is An Oracle Database? Basically, there are two main components of Oracle database –– instance and database itself. An instance consists of some memory structures and the background processes, whereas a database refers to the disk resources. Figure 1 will show you the relationship. Figure 1. Two main components of Oracle database Instance Database files themselves are useless without the memory structures and processes to interact with the database. Oracle defines the term  instance  as the memory structure and the background processes used to access data from a database. The memory structures and background processes contitute an instance. The memory structure itself consists of System Global Area (SGA), Program Global Area (PGA), and an optional area –– Software Area Code. In the other hand, the mandatory background processes are Database Writer (DBWn), Log Writer (LGWR), Checkpoint (CKPT), System Monitor (SMON), and Process Monitor (PMON). And another o...