Database management system and its related information as like here
http://www.netnic.org/sql/
http://www.netnic.org/select-statement-in-sql/
http://www.netnic.org/view-in-sql/
http://www.netnic.org/constraints-in-sql/
http://www.netnic.org/subquery-in-sql/
http://www.netnic.org/ddl/
http://www.netnic.org/introduction-of-dbms/
http://www.netnic.org/dbms-vs-file-system/
http://www.netnic.org/database-structure/
http://www.netnic.org/data-model/
http://www.netnic.org/entity-relationship-diagram/
http://www.netnic.org/extended-features-of-er-model/
http://www.netnic.org/e-r-modeling-steps/
http://www.netnic.org/relational-data-model/
http://www.netnic.org/reduction-of-an-e-r-schema-to-table/
http://www.netnic.org/sequence-in-sql/
http://www.netnic.org/index-in-sql/
YOU ARE READING
index in sql
Short StoryIndex:- An index is a schema object that can speed up the retrieval of rows by using a pointer. Indexes can be created explicitly or automatically. If we do mot have an index on the column, then a full table scan will occur. An index provides direct...
