{"id":478638,"date":"2023-08-09T09:36:17","date_gmt":"2023-08-09T09:36:17","guid":{"rendered":""},"modified":"2023-09-05T11:17:17","modified_gmt":"2023-09-05T11:17:17","slug":"rdbms","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/rdbms\/","title":{"rendered":"RDBMS"},"content":{"rendered":"<p>H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 (RDBMS) l\u00e0 m\u1ed9t lo\u1ea1i h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u1edf \u0111\u1ecbnh d\u1ea1ng c\u00f3 c\u1ea5u tr\u00fac, s\u1eed d\u1ee5ng c\u00e1c h\u00e0ng v\u00e0 c\u1ed9t, do \u0111\u00f3 cho ph\u00e9p nhi\u1ec1u ch\u1ee9c n\u0103ng thao t\u00e1c d\u1eef li\u1ec7u. N\u00f3 s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n SQL (Ng\u00f4n ng\u1eef truy v\u1ea5n c\u00f3 c\u1ea5u tr\u00fac) \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho c\u00e1c truy v\u1ea5n v\u00e0 thao t\u00e1c ph\u1ee9c t\u1ea1p.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a RDBMS v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m RDBMS l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u b\u1edfi Ti\u1ebfn s\u0129 Edgar F. Codd, m\u1ed9t nh\u00e0 to\u00e1n h\u1ecdc v\u00e0 nh\u00e0 khoa h\u1ecdc m\u00e1y t\u00ednh, v\u00e0o n\u0103m 1970. B\u00e0i vi\u1ebft chuy\u00ean \u0111\u1ec1 c\u1ee7a \u00f4ng, \u201cM\u00f4 h\u00ecnh d\u1eef li\u1ec7u quan h\u1ec7 cho c\u00e1c ng\u00e2n h\u00e0ng d\u1eef li\u1ec7u d\u00f9ng chung l\u1edbn\u201d, \u0111\u00e3 \u0111\u1eb7t n\u1ec1n m\u00f3ng cho m\u00f4 h\u00ecnh quan h\u1ec7, trong \u0111\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng cho RDBMS. Tri\u1ec3n khai th\u01b0\u01a1ng m\u1ea1i \u0111\u1ea7u ti\u00ean c\u1ee7a RDBMS l\u00e0 Oracle, \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh v\u00e0o n\u0103m 1979.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 RDBMS: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 RDBMS<\/h2>\n<p>RDBMS ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u01a1 s\u1edf m\u00f4 h\u00ecnh quan h\u1ec7, trong \u0111\u00f3 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n trong c\u00e1c b\u1ea3ng g\u1ed3m c\u00e1c h\u00e0ng v\u00e0 c\u1ed9t. \u0110i\u1ec1u n\u00e0y gi\u00fap vi\u1ec7c thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c b\u1ed9 d\u1eef li\u1ec7u kh\u00e1c nhau tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a RDBMS l\u00e0:<\/p>\n<ol>\n<li><strong>Nh\u1eefng c\u00e1i b\u00e0n<\/strong>: N\u01a1i l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/li>\n<li><strong>L\u0129nh v\u1ef1c<\/strong>: \u0110\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng c\u00e1c c\u1ed9t trong b\u1ea3ng.<\/li>\n<li><strong>H\u1ed3 s\u01a1<\/strong>: \u0110\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng c\u00e1c h\u00e0ng trong b\u1ea3ng.<\/li>\n<li><strong>Ph\u00edm<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c b\u1ea3ng kh\u00e1c nhau.<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a RDBMS: C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a RDBMS<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a RDBMS bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n sau:<\/p>\n<ul>\n<li><strong>C\u01a1 s\u1edf d\u1eef li\u1ec7u<\/strong>: Th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>H\u1ed3 s\u01a1 d\u1eef li\u1ec7u<\/strong>: L\u01b0u tr\u1eef d\u1eef li\u1ec7u \u1edf \u0111\u1ecbnh d\u1ea1ng c\u00f3 c\u1ea5u tr\u00fac.<\/li>\n<li><strong>L\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/strong>: X\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u bao g\u1ed3m c\u00e1c b\u1ea3ng, tr\u01b0\u1eddng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7.<\/li>\n<li><strong>B\u1ed9 x\u1eed l\u00fd truy v\u1ea5n<\/strong>: Ph\u00e2n t\u00edch c\u00fa ph\u00e1p v\u00e0 d\u1ecbch c\u00e1c truy v\u1ea5n th\u00e0nh h\u01b0\u1edbng d\u1eabn.<\/li>\n<li><strong>Ng\u01b0\u1eddi qu\u1ea3n l\u00fd giao d\u1ecbch<\/strong>: \u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n v\u00e0 nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a RDBMS<\/h2>\n<p>M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a RDBMS l\u00e0:<\/p>\n<ul>\n<li><strong>To\u00e0n v\u1eb9n d\u1eef li\u1ec7u<\/strong>: Th\u1ef1c thi c\u00e1c quy t\u1eafc \u0111\u1ec3 duy tr\u00ec t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<li><strong>T\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u<\/strong>: \u0110\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u v\u1eabn nh\u1ea5t qu\u00e1n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c phi\u00ean b\u1ea3n.<\/li>\n<li><strong>B\u1ea3o m\u1eadt d\u1eef li\u1ec7u<\/strong>: Th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u kh\u1ecfi b\u1ecb truy c\u1eadp tr\u00e1i ph\u00e9p.<\/li>\n<li><strong>\u0110\u1ed3ng th\u1eddi ki\u1ec3m so\u00e1t<\/strong>: Cho ph\u00e9p nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp d\u1eef li\u1ec7u c\u00f9ng l\u00fac m\u00e0 kh\u00f4ng b\u1ecb xung \u0111\u1ed9t.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: Kh\u1ea3 n\u0103ng x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u0103ng l\u00ean m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i RDBMS<\/h2>\n<p>RDBMS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, nh\u01b0 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong b\u1ea3ng sau:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>V\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u00e3 ngu\u1ed3n m\u1edf<\/td>\n<td>MySQL, PostgreSQL<\/td>\n<\/tr>\n<tr>\n<td>Thu\u1ed9c v\u1ec1 th\u01b0\u01a1ng m\u1ea1i<\/td>\n<td>Oracle, Microsoft SQL Server<\/td>\n<\/tr>\n<tr>\n<td>ph\u00e2n ph\u1ed1i<\/td>\n<td>Cassandra, D\u1ecbch chuy\u1ec3n \u0111\u1ecf c\u1ee7a Amazon<\/td>\n<\/tr>\n<tr>\n<td>D\u1ef1a tr\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng<\/td>\n<td>ObjectDB, ObjectStore<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng RDBMS, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>RDBMS t\u00ecm th\u1ea5y c\u00e1c \u1ee9ng d\u1ee5ng trong:<\/p>\n<ul>\n<li>Ng\u00e2n h\u00e0ng<\/li>\n<li>Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe<\/li>\n<li>B\u00e1n l\u1ebb<\/li>\n<li>Vi\u1ec5n th\u00f4ng<\/li>\n<\/ul>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 gi\u1ea3i ph\u00e1p c\u1ee7a ch\u00fang bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>V\u1ea5n \u0111\u1ec1 hi\u1ec7u n\u0103ng<\/strong>: Gi\u1ea3i quy\u1ebft b\u1eb1ng k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u h\u00f3a.<\/li>\n<li><strong>M\u1ed1i quan t\u00e2m v\u1ec1 b\u1ea3o m\u1eadt<\/strong>: \u0110\u01b0\u1ee3c gi\u1ea3i quy\u1ebft th\u00f4ng qua x\u00e1c th\u1ef1c v\u00e0 m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd.<\/li>\n<li><strong>D\u1eef li\u1ec7u d\u1ef1 ph\u00f2ng<\/strong>: \u0110\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u00f4ng qua c\u00e1c qu\u00e1 tr\u00ecnh chu\u1ea9n h\u00f3a.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>C\u00f3 th\u1ec3 t\u00ecm th\u1ea5y s\u1ef1 so s\u00e1nh gi\u1eefa RDBMS, DBMS v\u00e0 ORDBMS trong b\u1ea3ng b\u00ean d\u01b0\u1edbi:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>RDBMS<\/th>\n<th>c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/th>\n<th>ORDBMS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u00e1c m\u1ed1i quan h\u1ec7<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<td>\u0110\u00fang<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/td>\n<td>Cao<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn RDBMS<\/h2>\n<p>Tri\u1ec3n v\u1ecdng trong t\u01b0\u01a1ng lai bao g\u1ed3m nh\u1eefng ti\u1ebfn b\u1ed9 trong:<\/p>\n<ul>\n<li>T\u1ef1 \u0111\u1ed9ng h\u00f3a d\u1ef1a tr\u00ean AI<\/li>\n<li>RDBMS d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y<\/li>\n<li>T\u00edch h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 D\u1eef li\u1ec7u l\u1edbn<\/li>\n<li>C\u01a1 ch\u1ebf b\u1ea3o m\u1eadt n\u00e2ng cao<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi RDBMS<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt b\u1ed5 sung v\u00e0 qu\u1ea3n l\u00fd c\u00e1c k\u1ebft n\u1ed1i t\u1edbi RDBMS. H\u1ecd c\u00f3 th\u1ec3:<\/p>\n<ul>\n<li>Cung c\u1ea5p m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung th\u00f4ng qua m\u00e3 h\u00f3a.<\/li>\n<li>C\u00e2n b\u1eb1ng t\u1ea3i, n\u00e2ng cao hi\u1ec7u su\u1ea5t.<\/li>\n<li>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e1c k\u1ebft n\u1ed1i t\u1eeb xa, cho ph\u00e9p c\u1ed9ng t\u00e1c to\u00e0n c\u1ea7u.<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.seas.upenn.edu\/~zives\/03f\/cis550\/codd.pdf\" target=\"_new\" rel=\"noopener nofollow\">B\u00e0i vi\u1ebft g\u1ed1c c\u1ee7a Ti\u1ebfn s\u0129 Edgar F. Codd<\/a><\/li>\n<li><a href=\"https:\/\/www.mysql.com\/\" target=\"_new\" rel=\"noopener nofollow\">Trang web ch\u00ednh th\u1ee9c c\u1ee7a MySQL<\/a><\/li>\n<li><a href=\"https:\/\/www.oracle.com\/\" target=\"_new\" rel=\"noopener nofollow\">Trang web ch\u00ednh th\u1ee9c c\u1ee7a Oracle<\/a><\/li>\n<li><a href=\"https:\/\/www.microsoft.com\/en-us\/sql-server\/\" target=\"_new\" rel=\"noopener nofollow\">Trang web ch\u00ednh th\u1ee9c c\u1ee7a Microsoft SQL Server<\/a><\/li>\n<\/ul>\n<hr>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 RDBMS v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan, vui l\u00f2ng truy c\u1eadp <a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">OneProxy<\/a> v\u00e0 kh\u00e1m ph\u00e1 nhi\u1ec1u d\u1ecbch v\u1ee5, bao g\u1ed3m c\u00e1c gi\u1ea3i ph\u00e1p proxy an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>","protected":false},"featured_media":469325,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478638","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Relational Database Management System (RDBMS)<\/mark>","faq_items":[{"question":"What is a Relational Database Management System (RDBMS)?","answer":"<p>A Relational Database Management System (RDBMS) is a type of database management system that organizes data into tables made of rows and columns. It uses SQL for data manipulation and allows complex queries and operations, ensuring data integrity, consistency, security, and scalability.<\/p>"},{"question":"Who invented the concept of RDBMS?","answer":"<p>Dr. Edgar F. Codd invented the concept of RDBMS in 1970. He published a paper called \"A Relational Model of Data for Large Shared Data Banks,\" which laid the foundation for the development of RDBMS.<\/p>"},{"question":"What are the key components of RDBMS?","answer":"<p>The key components of RDBMS include Tables for data storage, Fields represented by columns, Records represented by rows, and Keys used to establish relationships between tables. The internal structure also involves a database engine, data files, database schema, query processor, and transaction manager.<\/p>"},{"question":"How does RDBMS ensure data security?","answer":"<p>RDBMS ensures data security by implementing measures like robust authentication, access controls, and encryption to protect data against unauthorized access and manipulation.<\/p>"},{"question":"What are some examples of different types of RDBMS?","answer":"<p>Examples of different types of RDBMS include open-source systems like MySQL and PostgreSQL, commercial systems like Oracle and Microsoft SQL Server, distributed systems like Cassandra and Amazon Redshift, and object-based systems like ObjectDB and ObjectStore.<\/p>"},{"question":"What are common problems with RDBMS, and how can they be solved?","answer":"<p>Common problems with RDBMS include performance issues, security concerns, and data redundancy. Performance can be enhanced through optimization techniques, security can be strengthened through authentication and encryption, and data redundancy can be managed through normalization processes.<\/p>"},{"question":"How are proxy servers like OneProxy associated with RDBMS?","answer":"<p>Proxy servers like OneProxy can be used with RDBMS to provide additional security, manage connections, offer encryption, balance loads for enhanced performance, and facilitate remote connections for global collaboration.<\/p>"},{"question":"What are the future perspectives and technologies related to RDBMS?","answer":"<p>Future perspectives related to RDBMS include advancements in AI-driven automation, cloud-based RDBMS, integration with Big Data technologies, and the development of enhanced security mechanisms.<\/p>"},{"question":"Where can I find more information about RDBMS?","answer":"<p>More information about RDBMS can be found in resources like Dr. Edgar F. Codd's original paper, official websites of MySQL, Oracle, and Microsoft SQL Server, and at the website of the proxy server provider OneProxy.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478638","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478638\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/469325"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}