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How can you Start MySQL Server?
To start the mysql program type it is name in the command- line prompt. After starting mysql program just display
A welcome letter using the following Syntax:
% mysql
Welcome to the MySQL monitor. Commands end with; or \g.
MySQL connection id:18427 to server version: 3.23.51-log
Type 'help;' or '\h' for help.Type '\c' to clear the buffer-mysql>
Creating a view: A query can be embedded within the CREATE VIEW STATEMENT A query can have complex select statements containing join, groups and sub- queries A quer
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
Java program for horrizontal fragmentation in distributed database
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
Explain data independence ? Data independence is the capacity to modify the schema at one stage of a database system without having to change the schema at the further level.
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
Table_Name( attribute_1, attribute_2, attribute_3, ….. ,attribute_x) Primary Key ( attribute_1, attribute_2) Foreign Key attribute_4 References Table_Name_2 (repeat for each fore
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
Sparse and Dense Indexes These indexes in principle are the similar as that of indexes used at the back of the book. The key facts of the indexes are: They are arranged
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