{"id":5958,"date":"2014-02-08T16:14:24","date_gmt":"2014-02-08T16:14:24","guid":{"rendered":"https:\/\/www.sourcebaran.com\/?p=5958"},"modified":"2016-06-12T21:29:30","modified_gmt":"2016-06-12T16:59:30","slug":"%da%a9%d8%aa%d8%a7%d8%a8-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%db%8c-%d8%a7%d8%b5%d9%88%d9%84-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7","status":"publish","type":"post","link":"http:\/\/www.sourcebaran.com\/%da%a9%d8%aa%d8%a7%d8%a8-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%db%8c-%d8%a7%d8%b5%d9%88%d9%84-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7.html","title":{"rendered":"\u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627"},"content":{"rendered":"

\"paygah-dade\"<\/a><\/p>\n

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\u0628\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0631\u0627 \u0645\u062f\u06cc\u0631 \u0633\u06cc\u0633\u062a\u0645 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u06cc\u0627 \u0628\u0647 \u0627\u062e\u062a\u0635\u0627\u0631 (DBMS) \u0645\u06cc\u200c\u0646\u0627\u0645\u06cc\u0645. \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0648 \u0637\u0631\u0627\u062d\u06cc \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u062f\u0631 \u0639\u0644\u0645 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0637\u0627\u0644\u0639\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0634\u0627\u0645\u0644 129 \u0635\u0641\u062d\u0647 \u0648 \u0646\u0648\u06cc\u0633\u0646\u062f\u0647 \u0622\u0646 \u0622\u0642\u0627\u06cc \u0628\u0647\u0631\u0648\u0632 \u0645\u0639\u0635\u0648\u0645\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u0628\u0627\u062d\u062b \u0630\u06a9\u0631 \u0634\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628 \u0628\u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0645\u0637\u0644\u0628 \u0645\u0648\u062c\u0648\u062f \u0645\u06cc \u0628\u0627\u0634\u062f.<\/p>\n

\u062c\u0647\u062a \u062f\u0627\u0646\u0644\u0648\u062f \u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0648 \u0645\u0634\u0627\u0647\u062f\u0647 \u0633\u0631\u0641\u0635\u0644 \u0647\u0627 \u0628\u0647 \u0627\u062f\u0627\u0645\u0647 \u0645\u0637\u0644\u0628 \u0645\u0631\u0627\u062c\u0639\u0647 \u0646\u0645\u0627\u06cc\u06cc\u062f<\/span><\/p>\n

<\/p>\n

\n

\n

<\/i><\/i>\u062c\u0647\u062a \u0645\u0634\u0627\u0647\u062f\u0647 \u0633\u0631\u0641\u0635\u0644 \u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627<\/a><\/h3>\n
\n

\u0641\u0635\u0644 \u0627\u0648\u0644:<\/p>\n

\u0645\u0639\u0631\u0641\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n

1-1-\u062a\u0639\u0631\u06cc\u0641 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n

\u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0628\u0635\u0648\u0631\u062a \u0635\u0648\u0631\u06cc<\/p>\n

\u0627\u0644\u0641-\u0645\u0634\u06cc \u063a\u06cc\u0631 \u0628\u0627\u0646\u06a9\u06cc(\u0633\u06cc\u0633\u062a\u0645 \u0641\u0627\u06cc\u0644 \u067e\u0631\u062f\u0627\u0632\u06cc) file Processing<\/p>\n

\u0628- \u0645\u0634\u06cc \u0628\u0627\u0646\u06a9\u06cc (\u067e\u0627\u06cc\u06af\u0627\u0647\u06cc )Database Approach<\/p>\n

\u0645\u0634\u062e\u0635\u0647 \u0647\u0627\u06cc \u0627\u06cc\u0646 \u0631\u0648\u0634:<\/p>\n

1-2-\u0639\u0646\u0627\u0635\u0631 \u0627\u0635\u0644\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u062f\u0647\u0646\u062f\u0647 \u0645\u062d\u06cc\u0637 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n

1-2-1-\u0633\u062e\u062a \u0627\u0641\u0632\u0627\u0631<\/p>\n

1-2-2- \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631<\/p>\n

1-2-3-\u06a9\u0627\u0631\u0628\u0631\u0627\u0646<\/p>\n

1-2-4-\u062f\u0627\u062f\u0647<\/p>\n

\u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u0647\u0627<\/p>\n

\u0646\u0648\u0639 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a<\/p>\n

\u0635\u0641\u0627\u062a \u062e\u0627\u0635\u0647<\/p>\n

\u0627\u0631\u062a\u0628\u0627\u0637<\/p>\n

\u062f\u0631\u062c\u0647 \u0627\u0631\u062a\u0628\u0627\u0637<\/p>\n

\u0641\u0635\u0644 \u062f\u0648\u0645<\/p>\n

\u0645\u062f\u0644 E\/R<\/p>\n

2-1-\u0645\u0642\u062f\u0645\u0647<\/p>\n

2-2-\u0646\u0645\u0627\u06cc\u0634 \u0646\u0645\u0648\u062f\u0627\u0631\u06cc E\/R<\/p>\n

2-2-1- \u0645\u0648\u062c\u0648\u062f\u06cc\u062a<\/p>\n

2-2-2- \u0635\u0641\u0627\u062a \u062e\u0627\u0635\u0647 Attributes<\/p>\n

2-2-3- \u0627\u0631\u062a\u0628\u0627\u0637<\/p>\n

2-2-3-1-\u0648\u0636\u0639 \u0645\u0634\u0627\u0631\u06a9\u062a \u062f\u0631 \u0627\u0631\u062a\u0628\u0627\u0637<\/p>\n

2-2-3-2-\u0646\u0648\u0639 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0647 \u0645\u062b\u0627\u0628\u0647 \u0646\u0648\u0639 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a (\u0627\u0631\u062a\u0628\u0627\u0637 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u06cc)<\/p>\n

2-2-4-\u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u0631\u06a9\u06cc\u0628<\/p>\n

2-2-5- \u0632\u06cc\u0631 \u0646\u0648\u0639 \u0647\u0627 \u0648 \u0627\u0628\u0631 \u0646\u0648\u0639 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f\u06cc\u062a Subtype and Supertype<\/p>\n

\u062a\u062e\u0635\u06cc\u0635<\/p>\n

\u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631<\/p>\n

Disjoint<\/p>\n

Overlapping<\/p>\n

2-2-6- \u062a\u062c\u0645\u0639 Aggregation<\/p>\n

\u0646\u0645\u0648\u062f\u0627\u0631 E\/R \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0627\u0646\u06a9\u06cc<\/p>\n

2-3-\u0627\u0635\u0637\u0644\u0627\u062d \u062f\u0627\u0645 \u067e\u06cc\u0648\u0646\u062f\u06cc (Connection trap)<\/p>\n

2-4-\u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n

2-4- \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0648 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc Case<\/p>\n

\u062a\u0645\u0631\u06cc\u0646<\/p>\n

\u062e\u0644\u0627\u0635\u0647 \u0634\u06a9\u0644\u0647\u0627\u06cc \u0628\u06a9\u0627\u0631 \u0631\u0641\u062a\u0647 \u062f\u0631 \u0646\u0645\u0648\u062f\u0627\u0631 E\/R<\/p>\n

2-5-\u0686\u0646\u062f \u0645\u062b\u0627\u0644 \u0627\u0632 \u0646\u0645\u0648\u062f\u0627\u0631 E\/R<\/p>\n

\u0646\u0645\u0648\u062f\u0627\u0631 E\/R \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0627\u0646\u06a9\u06cc<\/p>\n

\u0645\u062b\u0627\u0644\u06cc \u0627\u0632 \u062a\u062e\u0635\u06cc\u0635 \u0648 \u062a\u0639\u0645\u06cc\u0645<\/p>\n

\u0641\u0635\u0644 \u0633\u0648\u0645<\/p>\n

\u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

3-1-\u062a\u0639\u0631\u06cc\u0641 \u0631\u0627\u0628\u0637\u0647<\/p>\n

3-1-1-\u062a\u0639\u0631\u06cc\u0641 \u062f\u0627\u0645\u0646\u0647\/ \u0645\u06cc\u062f\u0627\u0646<\/p>\n

3-1-2-\u062f\u0631\u062c\u0647 \u0631\u0627\u0628\u0637\u0647<\/p>\n

3-1-3-\u06a9\u0627\u0631 \u062f\u06cc\u0646\u0627\u0644\u06cc\u062a\u06cc \u0631\u0627\u0628\u0637\u0647<\/p>\n

3-1-4-\u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0631\u0627\u0628\u0637\u0647<\/p>\n

3-2-\u0645\u0641\u0647\u0648\u0645 \u0645\u06cc\u062f\u0627\u0646 \u0648 \u0646\u0642\u0634 \u0622\u0646 \u062f\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0648\u06cc \u0628\u0627\u0646\u06a9<\/p>\n

3-3-\u0645\u0641\u0647\u0648\u0645 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

3-3-1-\u0645\u0641\u0647\u0648\u0645 \u0627\u0628\u0631 \u06a9\u0644\u06cc\u062f super key<\/p>\n

4-3-1-\u06a9\u0644\u06cc\u062f (\u0646\u0627\u0645\u0632\u062f) \u06a9\u0627\u0646\u062f\u06cc\u062f: Candidata Key<\/p>\n

3-3-2- \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc : Primary Key<\/p>\n

3-3-3- \u06a9\u0644\u06cc\u062f \u0646\u0627\u0645\u0632\u062f (\u0628\u062f\u06cc\u0644) Alternate Key<\/p>\n

3-3-4-\u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc Foreign Key<\/p>\n

3-4-\u062a\u0628\u062f\u06cc\u0644 \u0645\u062f\u0644 E\/P \u0628\u0647 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

\u0642\u0627\u0639\u062f\u0647 1<\/p>\n

\u0642\u0627\u0639\u062f\u0647 2<\/p>\n

\u0642\u0627\u0639\u062f\u0647 3: \u0627\u0631\u062a\u0628\u0627\u0637\u0627\u062a \u062f\u0631\u062c\u0647 2<\/p>\n

\u0642\u0627\u0639\u062f\u0647 4: \u0627\u0631\u062a\u0628\u0627\u0637\u0627\u062a \u062f\u0631\u062c\u0647 \u06cc\u06a9 (\u0628\u0627\u0632\u06af\u0634\u062a\u06cc)<\/p>\n

\u0642\u0627\u0639\u062f\u06475: \u0627\u0631\u062a\u0628\u0627\u0637\u0627\u062a \u062f\u0631\u062c\u0647 3 \u0648 \u0628\u06cc\u0634\u062a\u0631<\/p>\n

\u0642\u0627\u0639\u062f\u06476: \u0627\u0631\u062a\u0628\u0627\u0637\u0627\u062a \u062a\u0639\u0645\u06cc\u0645\/ \u062a\u062e\u0635\u06cc\u0635<\/p>\n

\u0642\u0627\u0639\u062f\u06477 : \u062a\u062c\u0645\u0639<\/p>\n

3-5-\u0642\u0648\u0627\u0646\u06cc\u0646 \u062c\u0627\u0645\u0639\u06cc\u062a \u062f\u0631 \u0633\u06cc\u062a\u0633\u0645 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

3-5-1-\u0642\u0627\u0639\u062f\u0647 \u062c\u0627\u0645\u0639\u06cc\u062a \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u06cc:C1<\/p>\n

\u062f\u0644\u06cc\u0644 \u0642\u0627\u0639\u062f\u0647 \u062c\u0627\u0645\u0639\u06cc\u062a \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u06cc<\/p>\n

3-5-2-\u0642\u0627\u0639\u062f\u0647 \u062c\u0627\u0645\u0639\u06cc\u062a \u0627\u0631\u062c\u0627\u0639\u06cc :C2<\/p>\n

3-5-3-\u062a\u0628\u0639\u0627\u062a \u0642\u0648\u0627\u0639\u062f \u062c\u0627\u0645\u0639\u06cc\u062a<\/p>\n

3-5-4-\u0631\u0627\u0647\u0647\u0627\u06cc \u0627\u0639\u0645\u0627\u0644 \u0642\u0648\u0627\u0639\u062f \u062c\u0627\u0645\u0639\u06cc\u062a<\/p>\n

3-6-\u0645\u0634\u062e\u0635\u0627\u062a \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

\u062a\u0645\u0631\u06cc\u0646<\/p>\n

\u0641\u0635\u0644 \u0686\u0647\u0627\u0631\u0645: \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/a> \u2013\u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0648\u06cc \u0631\u0627\u0628\u0637\u0647 \u0647\u0627<\/p>\n

4-2-\u062c\u0628\u0631 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

4-2-1-\u0639\u0645\u0644\u06af\u0631 \u06af\u0632\u06cc\u0646\u0634 \u06cc\u0627 \u062a\u062d\u062f\u06cc\u062f (Select)<\/p>\n

4-2-2-\u0639\u0645\u0644\u06af\u0631 \u067e\u0631\u062a\u0648 Project<\/p>\n

4-2-3-\u0639\u0645\u0644\u06af\u0631 \u0627\u062c\u062a\u0645\u0627\u0639 union<\/p>\n

4-2-4- \u0627\u0634\u062a\u0631\u0627\u06a9 Intersect<\/p>\n

4-2-5- \u0639\u0645\u0644\u06af\u0631 \u062a\u0641\u0627\u0636\u0644<\/p>\n

4-2-6- \u062d\u0627\u0635\u0644\u0636\u0631\u0628 \u06a9\u0627\u0631\u062a\u0632\u06cc\u0646<\/p>\n

4-2-7-\u062a\u0631\u06a9\u06cc\u0628 ( \u067e\u06cc\u0648\u0646\u062f)<\/p>\n

4-2-8-\u0639\u0645\u0644\u06af\u0631 \u062a\u0642\u0633\u06cc\u0645<\/p>\n

4-3-\u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u06cc\u06af\u0631 \u062c\u0628\u0631 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

4-3-1- \u0639\u0645\u0644\u06af\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0627\u0645 Rename<\/p>\n

4-3-2- \u0639\u0645\u0644\u06af\u0631 \u0628\u0633\u0637 Extend<\/p>\n

4-3-3-\u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u062c\u0645\u0639\u06cc Aggregate Operator<\/p>\n

4-3-4-\u0639\u0645\u0644\u06af\u0631 \u0627\u0646\u062a\u0633\u0627\u0628 Assignment<\/p>\n

4-3-5-\u0639\u0645\u0644\u06af\u0631 \u0646\u06cc\u0645 \u067e\u06cc\u0648\u0646\u062f Semi Join<\/p>\n

4-3-5- \u0639\u0645\u0644\u06af\u0631 \u0646\u06cc\u0645 \u062a\u0641\u0627\u0636\u0644 Semi Minus<\/p>\n

4-4-\u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0627\u0645\u0644 \u0639\u0645\u0644\u06af\u0631\u0647\u0627 \u062f\u0631 \u062c\u0628\u0631 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

4-5-\u0628\u0631\u062e\u06cc \u062e\u0648\u0627\u0635 \u0639\u0645\u0644\u06af\u0631\u0647\u0627<\/p>\n

\u0646\u06a9\u0627\u062a \u0645\u0647\u0645 \u062c\u0628\u0631 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/p>\n

5-6- \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc Relational calculus<\/p>\n

5-6-1-\u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u062a\u0627\u067e\u0644\u06cc<\/p>\n

5-6-1-1-\u062a\u0639\u0631\u06cc\u0641 \u0645\u062a\u063a\u06cc\u0631 \u062a\u0627\u067e\u0644\u06cc<\/p>\n

5-6-1-2- \u0639\u0645\u0644\u06af\u0631\u0647\u0627<\/p>\n

5-6-2-\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062d\u0633\u0627\u0628 \u0645\u062d\u0645\u0648\u0644\u0627\u062a \u062f\u0631 \u0641\u0631\u0645\u0648\u0644\u0647 \u06a9\u0631\u062f\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627<\/p>\n

\u0641\u0635\u0644 \u067e\u0646\u062c\u0645<\/p>\n

\u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0632\u0628\u0627\u0646 SQL<\/p>\n

5-1-\u0645\u0642\u062f\u0645\u0647<\/p>\n

5-2-\u0627\u062d\u06a9\u0627\u0645 \u062a\u0639\u0631\u06cc\u0641 \u062f\u0627\u062f\u0647 \u0647\u0627 (DDL) \u062f\u0631 SQL<\/p>\n

5-2-1-\u062f\u0633\u062a\u0648\u0631\u0627\u062a \u062a\u0639\u0631\u06cc\u0641 \u062c\u062f\u0627\u0648\u0644<\/p>\n

\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u062c\u0627\u0645\u0639\u06cc\u062a \u062f\u0631 \u062a\u0639\u0631\u06cc\u0641 \u062c\u062f\u0627\u0648\u0644<\/p>\n

6-2-3-\u062d\u0630\u0641 \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u062c\u062f\u0627\u0648\u0644 Drop and Alter tables<\/p>\n

6-3- \u0627\u062d\u06a9\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 SQL<\/p>\n

6-3-1-\u0627\u062d\u06a9\u0627\u0645 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n

\u062a\u0648\u0627\u0628\u0639 \u062c\u0645\u0639\u06cc SQL<\/p>\n

\u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627\u06cc \u0641\u0631\u0639\u06cc<\/p>\n

6-3-2-\u0627\u062d\u06a9\u0627\u0645 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc<\/p>\n

6-3-2-1-\u0627\u062d\u06a9\u0627\u0645 \u062d\u0630\u0641 \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n

6-3-2-2-\u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u062a\u0627\u067e\u0644 \u0648 \u06cc\u0627 \u062a\u0627\u067e\u0644\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u06cc\u06a9 \u0631\u0627\u0628\u0637\u0647 (\u062c\u062f\u0648\u0644)<\/p>\n

5-3-2-3-\u062d\u06a9\u0645 \u062a\u063a\u06cc\u06cc\u0631 \u0631\u06a9\u0648\u0631\u062f<\/p>\n

6-4-SQL \u0648 \u0633\u0637\u062d \u062e\u0627\u0631\u062c\u06cc<\/p>\n

6-4-1-\u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0631 \u062f\u06cc\u062f<\/p>\n

\u0646\u0638\u0631\u0686\u0645\u0628\u0631\u0644\u0646 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 R<\/p>\n

\u0628\u0647 \u0647\u0646\u06af\u0627\u0645 \u00a0\u0633\u0627\u0632\u06cc \u062f\u06cc\u062f\u0647\u0627\u06cc \u062d\u0627\u0635\u0644 \u0639\u0645\u0644 \u067e\u06cc\u0648\u0646\u062f( \u062a\u0631\u06a9\u06cc\u0628)<\/p>\n

\u062f\u06cc\u062f\u0647\u0627\u06cc \u0646\u0627\u067e\u0630\u0631\u06cc\u0631\u0627<\/p>\n

5-5- \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0627\u0645\u0646\u06cc\u062a\u06cc SQL<\/p>\n

\u0627\u0645\u062a\u06cc\u0627\u0632\u0647\u0627<\/p>\n

5-6-\u062a\u0639\u0631\u06cc\u0641 \u062a\u0631\u0627\u06a9\u0646\u0634<\/p>\n

5-6-1-\u0648\u06cc\u0698\u06af\u06cc\u0647\u0627\u06cc \u062a\u0631\u0627\u06a9\u0646\u0634<\/p>\n

5-6-2-\u0645\u062b\u0627\u0644 \u0627\u0632 \u062a\u0631\u0627\u06a9\u0646\u0634<\/p>\n

5-6-3-\u062d\u0627\u0644\u062a\u0647\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u062a\u0631\u0627\u06a9\u0646\u0634<\/p>\n

\u0641\u0635\u0644 \u0634\u0634\u0645<\/p>\n

\u0646\u0631\u0645\u0627\u0644\u062a\u0631 \u0633\u0627\u0632\u06cc \u0631\u0627\u0628\u0637\u0647 \u0647\u0627<\/p>\n

6-1-\u0645\u0642\u062f\u0645\u0647<\/p>\n

6-2-\u0634\u06a9\u0644 \u0647\u0627\u06cc \u0646\u0631\u0645\u0627\u0644 (\u0633\u0637\u0648\u062d \u0645\u062e\u062a\u0644\u0641 \u0646\u0631\u0645\u0627\u0644)<\/p>\n

6-3-\u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062a\u0627\u0628\u0639\u06cc (functional dependencu)<\/p>\n

6-3-1-\u0645\u0641\u0647\u0648\u0645 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062a\u0627\u0628\u0639\u06cc \u06a9\u0627\u0645\u0644(FFD)<\/p>\n

6-3-2-\u062a\u0639\u0631\u06cc\u0641 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062a\u0627\u0628\u0639\u06cc \u0628\u062f\u06cc\u0647\u06cc<\/p>\n

6-3-3-\u0627\u0635\u0648\u0644 \u0622\u0631\u0645\u0633\u062a\u0631\u0627\u0646\u06af<\/p>\n

6-3-4-\u0628\u0633\u062a\u0627\u0631 \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0632 \u0635\u0641\u0627\u062a \u062e\u0627\u0635\u0647<\/p>\n

6-3-5-\u0645\u062c\u0645\u0648\u0639\u0647 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0628\u0647\u06cc\u0646\u0647<\/p>\n

6-3-6-\u0646\u0645\u0648\u062f\u0627\u0631 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062a\u0627\u0628\u0639\u06cc<\/p>\n

6-4-\u0646\u0631\u0645\u0627\u0644 \u0633\u0627\u0632\u06cc( normalization)<\/p>\n

6-4-1-\u0631\u0627\u0628\u0637\u0647 \u0646\u0631\u0645\u0627\u0644 \u06cc\u06a9 INF<\/p>\n

\u0622\u0646\u0648\u0645\u0627\u0644\u06cc\u0647\u0627<\/p>\n

6-4-2-\u0631\u0627\u0628\u0637\u0647 2NF<\/p>\n

6-4-4-\u0631\u0627\u0628\u0637\u0647 BCNF<\/p>\n

6-4-5-\u0631\u0627\u0628\u0637\u0647 4NF<\/p>\n

6-4-6-\u0631\u0627\u0628\u0637\u0647 5NF<\/p>\n

6-5-\u062a\u062c\u0632\u06cc\u0647 \u062e\u0648\u0628 \u0648 \u0628\u062f<\/p>\n

6-5-1-\u0642\u0636\u06cc\u0647 \u0631\u06cc\u0633\u0627\u0646\u0646<\/p>\n

6-5-2-\u0631\u0627\u0628\u0637\u0647 \u0627\u062a\u0645\u06cc\u06a9<\/p>\n

6-6-\u0646\u0645\u0648\u0646\u0647 \u0645\u0633\u0627\u0626\u0644 \u0627\u06cc\u0646 \u0641\u0635\u0644<\/p>\n

\u0641\u0635\u0644 \u0647\u0641\u062a\u0645<\/p>\n

\u0645\u0639\u0645\u0627\u0631\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc<\/p>\n

3-1-\u0645\u0642\u062f\u0645\u0647<\/p>\n

7-2-\u0645\u0639\u0645\u0627\u0631\u06cc ANSI<\/p>\n

7-3-1-\u062f\u06cc\u062f \u0645\u0641\u0647\u0648\u0645\u06cc (\u0627\u062f\u0631\u0627\u06a9\u06cc)<\/p>\n

7-3-2-\u062f\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc<\/p>\n

7-3-3-\u062f\u06cc\u062f \u06cc\u0627 \u0633\u0637\u062d \u062f\u0627\u062e\u0644\u06cc<\/p>\n

7-3-4-HL \u0632\u0628\u0627\u0646 \u0645\u06cc\u0632\u0628\u0627\u0646<\/p>\n

7-3-5-DSL \u0632\u0628\u0627\u0646 \u062f\u0627\u062f\u0647 \u0627\u06cc \u0641\u0631\u0639\u06cc<\/p>\n

7-3-6-\u0646\u06af\u0627\u0634\u062a Mapping<\/a><\/p>\n

7-3-7-\u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc<\/p>\n

\u0627\u062c\u0632\u0627\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u062f\u0647\u0646\u062f\u0647 DBMS<\/p>\n

7-3-8-\u0645\u062f\u06cc\u0631 \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc DBA<\/p>\n

\u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627( \u06a9\u0627\u062a\u0627\u0644\u0648\u06af \u0633\u06cc\u0633\u062a\u0645)<\/p>\n

7-4-\u062f\u0644\u0627\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc Why Database<\/p>\n

7-4-1-\u0645\u0632\u0627\u06cc\u0627\u06cc \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u0686\u0646\u062f \u06a9\u0627\u0631\u0628\u0631\u06cc<\/p>\n

\u062a\u0639\u0631\u06cc\u0641 \u0627\u0633\u062a\u0642\u0644\u0627\u0644 \u062f\u0627\u062f\u0647 \u0627\u06cc<\/p>\n

7-4-2-\u0645\u0639\u0627\u06cc\u0628 \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc (\u0686\u0646\u062f \u06a9\u0627\u0631\u0628\u0631\u06cc)<\/p>\n

7-5-\u0645\u0639\u0645\u0627\u0631\u06cc \u0633\u06cc\u0633\u062a\u0645 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627<\/p>\n

7-5-1-\u0645\u0639\u0645\u0627\u0631\u06cc \u0645\u062a\u0645\u0631\u06a9\u0632 Centeralized<\/a><\/p>\n

7-5-2-\u0645\u0639\u0645\u0627\u0631\u06cc \u0633\u0631\u0648\u06cc\u0633 \u062f\u0647\u0646\u062f\u0647\/\u0633\u0631\u0648\u06cc\u0633 \u06af\u06cc\u0631\u0646\u062f\u0647 CLIENT\/SERVER<\/p>\n

\u0645\u0632\u0627\u06cc\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0639\u0645\u0627\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0645\u0639\u0645\u0627\u0631\u06cc \u0645\u062a\u0645\u0631\u06a9\u0632<\/p>\n

7-5-3-\u0645\u0639\u0645\u0627\u0631\u06cc \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 Distributed<\/p>\n

7-5-3-1-\u0645\u0632\u0627\u06cc\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0639\u0645\u0627\u0631\u06cc<\/p>\n

3-5-3-2-\u0645\u0639\u0627\u06cc\u0628<\/p>\n

7-5-4-\u0645\u0639\u0645\u0627\u0631\u06cc \u0628\u0627 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u0648\u0627\u0632\u06cc Parallel<\/p>\n

7-6-\u0633\u06cc\u0633\u062a\u0645 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0647\u0645\u0631\u0627\u0647 Mobile Database System<\/p>\n

\u0641\u0635\u0644 \u0647\u0634\u062a\u0645 : \u062a\u0631\u0645\u06cc\u0645<\/p>\n

8-1-\u062a\u0639\u0631\u06cc\u0641 \u062a\u0631\u0645\u06cc\u0645<\/p>\n

8-2-\u0645\u062f\u06cc\u0631\u06cc\u062a \u062a\u0631\u0645\u06cc\u0645<\/p>\n

8-2-1-\u062f\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u062e\u0637\u0627\u0647\u0627<\/p>\n

8-3-\u062a\u0631\u0645\u06cc\u0645 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062b\u0628\u062a \u0648\u0642\u0627\u06cc\u0639 (Log-Based Recovery)<\/p>\n

8-4-\u0645\u062a\u062f\u0647\u0627\u06cc \u062a\u0631\u0645\u06cc\u0645 \u0628\u06a9\u0627\u0631 \u0631\u0641\u062a\u0647 \u062f\u0631 \u0631\u0648\u0634 log-based (\u062b\u0628\u062a \u0648\u0642\u0627\u06cc\u0639)<\/p>\n

8-4-1-\u0631\u0648\u0634 \u062a\u0627\u062e\u06cc\u0631 \u0627\u0639\u0645\u0627\u0644 \u062a\u0627\u062e\u06cc\u0631\u0627\u062a Deferred Database Modification<\/p>\n

8-4-2-\u0634\u06cc\u0648\u0647 \u0627\u0639\u0645\u0627\u0644 \u0622\u0646\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a (Immediate database Modification)<\/p>\n

8-5-\u0639\u0645\u0644\u06cc\u0627\u062a \u06a9\u0646\u062a\u0631\u0644 \u0632\u0645\u0627\u0646\u06cc (Check Point)<\/p>\n

\u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0639\u0645\u0644\u06cc<\/p>\n

\u0641\u0647\u0631\u0633\u062a \u0645\u0646\u0627\u0628\u0639 \u0648 \u0645\u0631\u0627\u062c\u0639<\/p>\n<\/div>\n<\/div>\n\n\n

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\n 2.5\/5 - (4 \u0627\u0645\u062a\u06cc\u0627\u0632) <\/div>\n <\/div>\n","protected":false},"excerpt":{"rendered":"

\u0628\u0627 \u0633\u0644\u0627\u0645. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628 \u0627\u0632 \u0633\u0627\u06cc\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0633\u0648\u0631\u0633 \u0628\u0627\u0631\u0627\u0646 \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u06a9\u062a\u0627\u0628 \u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u0648\u0646\u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u06cc\u0646\u0628\u0627\u0631 \u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0632\u0628\u0627\u0646 \u0641\u0627\u0631\u0633\u06cc \u0631\u0627 \u062c\u0647\u062a \u062f\u0627\u0646\u0644\u0648\u062f \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0627\u06cc\u0645. \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0627\u0635\u0644 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0633\u0627\u0632\u0645\u0627\u0646 \u06cc\u0627\u0641\u062a\u0647 \u0627\u0632 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0627\u0633\u062a.\u0627\u06cc\u0646 \u0648\u0627\u0698\u0647 \u0627\u0632 \u062f\u0627\u0646\u0634 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0633\u0631\u0686\u0634\u0645\u0647 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f\u060c \u0627\u0645\u0627 \u06a9\u0627\u0631\u0628\u0631\u062f \u0648\u0633\u06cc\u0639 \u0648 […]<\/p>\n","protected":false},"author":15,"featured_media":10812,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[993,173],"tags":[7725,7726,7727,7732,7730,7729,7728,7731],"acf":[],"yoast_head":"\n\u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 - \u0633\u0648\u0631\u0633 \u0628\u0627\u0631\u0627\u0646<\/title>\n<meta name=\"description\" content=\"\u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.sourcebaran.com\/\u06a9\u062a\u0627\u0628-\u0622\u0645\u0648\u0632\u0634\u06cc-\u0627\u0635\u0648\u0644-\u0637\u0631\u0627\u062d\u06cc-\u067e\u0627\u06cc\u06af\u0627\u0647-\u062f\u0627\u062f\u0647-\u0647\u0627.html\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\" \/>\n<meta property=\"og:description\" content=\"\u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.sourcebaran.com\/\u06a9\u062a\u0627\u0628-\u0622\u0645\u0648\u0632\u0634\u06cc-\u0627\u0635\u0648\u0644-\u0637\u0631\u0627\u062d\u06cc-\u067e\u0627\u06cc\u06af\u0627\u0647-\u062f\u0627\u062f\u0647-\u0647\u0627.html\" \/>\n<meta property=\"og:site_name\" content=\"\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc - \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0628\u0627 \u0637\u0639\u0645 \u0633\u0648\u0631\u0633 \u0628\u0627\u0631\u0627\u0646\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sourcebaran\" \/>\n<meta property=\"article:published_time\" content=\"2014-02-08T16:14:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-06-12T16:59:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sourcebaran.com\/wp-content\/uploads\/2016\/01\/paygah-dade.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"453\" \/>\n\t<meta property=\"og:image:height\" content=\"406\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u0635\u0627\u0628\u0631 \u0628\u0648\u0633\u062a\u0627\u0646\u06cc\" \/>\n<meta name=\"twitter:label1\" content=\"\u0646\u0648\u0634\u062a\u0647\u200c\u0634\u062f\u0647 \u0628\u062f\u0633\u062a\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u0635\u0627\u0628\u0631 \u0628\u0648\u0633\u062a\u0627\u0646\u06cc\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0632\u0645\u0627\u0646 \u062a\u0642\u0631\u06cc\u0628\u06cc \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u062f\u0642\u06cc\u0642\u0647\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/www.sourcebaran.com\/%da%a9%d8%aa%d8%a7%d8%a8-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%db%8c-%d8%a7%d8%b5%d9%88%d9%84-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7.html#article\",\"isPartOf\":{\"@id\":\"http:\/\/www.sourcebaran.com\/%da%a9%d8%aa%d8%a7%d8%a8-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%db%8c-%d8%a7%d8%b5%d9%88%d9%84-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7.html\"},\"author\":{\"name\":\"\u0635\u0627\u0628\u0631 \u0628\u0648\u0633\u062a\u0627\u0646\u06cc\",\"@id\":\"https:\/\/www.sourcebaran.com\/#\/schema\/person\/67435619ffcd527d1690364c320cf04e\"},\"headline\":\"\u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\",\"datePublished\":\"2014-02-08T16:14:24+00:00\",\"dateModified\":\"2016-06-12T16:59:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/www.sourcebaran.com\/%da%a9%d8%aa%d8%a7%d8%a8-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%db%8c-%d8%a7%d8%b5%d9%88%d9%84-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87-%d8%af%d8%a7%d8%af%d9%87-%d9%87%d8%a7.html\"},\"wordCount\":455,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/www.sourcebaran.com\/#organization\"},\"keywords\":[\"\u0627\u062c\u0632\u0627\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u062f\u0647\u0646\u062f\u0647 DBMS\",\"\u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0627\u0645\u0646\u06cc\u062a\u06cc SQL\",\"\u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0648 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc Case\",\"\u0639\u0645\u0644\u06af\u0631 \u0628\u0633\u0637 Extend\",\"\u0639\u0645\u0644\u06af\u0631 \u0646\u06cc\u0645 \u067e\u06cc\u0648\u0646\u062f Semi Join\",\"\u06a9\u0627\u0631 \u062f\u06cc\u0646\u0627\u0644\u06cc\u062a\u06cc \u0631\u0627\u0628\u0637\u0647\",\"\u06a9\u062a\u0627\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\",\"\u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc Foreign Key\"],\"articleSection\":[\"\u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc\",\"\u06a9\u062a\u0627\u0628 \u0647\u0627\u06cc 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