Database ease of updating

The data is managed by systems software called database management systems (DBMS).The data stored in a database is independent of the application programs using it and of the types of secondary storage devices on which it is stored.Database - is an integrated collection of logically related records or files.

It also provides a language for manipulating the data, called the data manipulation language (DML), which makes it possible to access records, change values of attributes, and delete or insert records.

Direct file organization provides the fastest direct access to records.

When using direct access methods, records do not have to be arranged in any particular sequence on storage media.

Data files are organized so as to facilitate access to records and to ensure their efficient storage.

A tradeoff between these two requirements generally exists: if rapid access is required, more storage is required to make it possible.1.

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The so-called embedded SQL is also provided for programming in procedural languages (The aim of logical design, also known as data modeling, is to design the schema of the database and all the necessary subschemas.

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  1. Actually I'm pretty satisfied with ur drama the legend of the blue sea. Hoping that this drama will be one of the best rated one ever!! Lee Min Ho #1 You have inspired me to learned a new language, visit a new country and meet new people. But "The Heirs" and Boys Over Flowers" were much better. i'm from Philippines but currently working here in Malaysia as domestic helper. I am a very realistic person, and I don't like to be played by production companies, agencies, nor the media. On the other hand, he has not signed for any dramas for almost two years, he performed in Gangnam 1970 like a newbie showcasing his beauty, he died beautifully. I wonder if it would be better for him to enlist in the military service soon, and reflect on where his life is going. If you are lee min ho's TRUE fans then you should be happy that he already meet someone that he loves, no matter how young she is. Lee Minho approached Suzy first and he has admitted her as his ideal type. You should expand your tours as u have fans from all over the world. You are a versatile actor bcos your acting were not the same in all your roles in each past dramas and movies. Felt in love with you since the time i watched Mackerel RUN!!! hope god will strengthen you always & bless you immensely.... RS - Sri Lanka LMH has won more awards than this... He chooses words and actitude that make them fall for him. Since I haven't watched any other dramas beside the ones Lee Min Ho is on, I only interested on watching his dramas,he's handsome, his acting role is on point, he gives me Goosebumps when is falling in love with those girls on the scene, feels like im on them,my Haitian family thinks im crazy watch them, by saying how do I understand them, thanks good for tge subtitles. Now, understand a bit of Lee Min Ho's great fandom. MWAHHH I've typed and deleted several times now cos I just don't know how to explain it. Pls understand, I'm a realist and I know I may never get to meet you but it doesn't change the fact that I love ur movies. Also keep in contact with other F4 members, Geum Jan Di, Park Gae In and Yoo Eun soo Dae Man as you have a bond with these ones in all your movies. I look forward to watching the heirs and your future movies. Actually, I first watched "Faith", and I can say that your acting skill is highly commendable. i enjoy ur dramas.i want to see and act with u and very much like and love ur f4 drama.i am a indian no opportunity to see many dramas we need many drams CDS.