SQL Data types

SQL Data types SQL data type is an attribute that specifies type of data of any object. Each column, variable and expression has related data type in SQL. You would use these data types while creating your tables. You would choose a particular data type for a table...

DDL DML DCL TCL

DDL DML DCL TCL DDL : DDL is abbreviation of data Definition Language. it’s used to create and modify the structure of database objects in database. SELECT – retrieve data from the a database INSERT – insert data into a table UPDATE – updates...

SQL standard

SQL standard SQL standard could be a language for accessing and manipulating databases. What is SQL? SQL stands for Structured query language SQL enables you to access and manipulate databases SQL is associate ANSI (American National Standards Institute) standard What...

XML Database

XML Database An XML database may be a information persistence package that enables information to be such as, and typically hold on, in XML format. These information will then be queried, reworked, exported and came back to a calling system. XML databases are a flavor...

Object Oriented Database

Object Oriented Database An object database (also object oriented database service management system) could be a management system during which information is depicted within the sort of objects as utilized in object-oriented programming. Object databases are...

Crawling and Indexing the Web

Crawling and Indexing the Web Here we are going to see about Crawling and Indexing the Web which is given as follows , Crawling the Web The crawler begins with one or more URLs that constitute a seed set. It picks a URL from this seed set, then fetches the web page at...