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[ Àü»ê¿µ¾î - ¹èÁ¡:10 ] 1.( ) is software that plays the role of an interface between the user and database. A ( ) helps manage a database and retrieve user-requested data from it. The concept of ( ) was introduced to reduce data redundancy and dependency, two of the most significant disadvantages of a file system.
2. ( ) is an individual or a group of individuals responsible for managing a database system. The tasks of a ( ) include: designing, implementing and maintaining a database system, using the database system, and educating employees on the use of the database system.
3. ( ) database is database that has a collection of tables of data items, all of which is formally described and organized according to the ( ) model. In the ( ) model, each table schema must identify a primary column used for identifying a row called the primary key.
4.( ) is a language used to interrogate. ( ) commands can be used to interactively work with a database. ( ) can update, insert, delete and select data in database.
5. conceptual schema(°³³ä½ºÅ°¸¶) : ¿ë¾î ¼³¸í
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1. ERP (Enterprise Resource Planning, Àü»çÀû ÀÚ¿ø °ü¸®) 2. äÂïÈ¿°ú 3. Push-based 4. Pull-based 5. ¸ÅÀÔ¿äû :
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1. ¸ÞŸµ¥ÀÌÅÍ 2. Data Werehouse (µ¥ÀÌÅÍ¿þ¾îÇϿ콺) 3. ´ÙÂ÷¿ø(=Å¥ºê) 4. OLAP 5. Data Mining (µ¥ÀÌÅÍ ¸¶ÀÌ´×)
[ ½Å±â¼úµ¿Çâ - ¹èÁ¡:10 ] °ø´Ü¿¡¼ ¹®Á¦ ¹Ì°ø°³·Î ÀϺΠº¹¿øµÇ¾ú½À´Ï´Ù. ¼öÇè»ý ¿©·¯ºÐµéÀÇ ¾çÇØ ºÎŹµå¸³´Ï´Ù. 1. SDN (Software Defined Network) 2. ( )Àº(´Â) ¿ÀÇ ¼Ò½º¸¦ ±â¹ÝÀ¸·Î ÇÑ ºÐ»ê ÄÄÇ»Æà Ç÷§ÆûÀÌ´Ù. ÀÏ¹Ý PC±Þ ÄÄÇ»Å͵é·Î °¡»óÈµÈ ´ëÇü ½ºÅ丮Áö¸¦ Çü¼ºÇÏ°í ±× ¾È¿¡ º¸°üµÈ °Å´ëÇÑ µ¥ÀÌÅÍ ¼¼Æ®¸¦ º´·Ä·Î ó¸®ÇÒ ¼ö ÀÖµµ·Ï °³¹ßµÈ ÀÚ¹Ù ¼ÒÇÁÆ®¿þ¾î ÇÁ·¹ÀÓ¿öÅ©·Î ±¸±Û, ¾ßÈÄ µî¿¡ Àû¿ëµÇ°í ÀÖ´Ù. 3. CC (Common Criteria, °øÅë Æò°¡ ±âÁØ) 4. NFC (Near Field Communication, ¸ð¹ÙÀÏ Àåºñ³ª PCÀÇ ±Ù°Å¸® ¹«¼±Åë½Å) 5. N-Screen
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