There are many commercial databases available in market but the popular ones are: DB2 Oracle: Now days all database management systems are based on relational model first introduced by E.
Relational database system is where data is spread across several tables. What are the components of Database? Components of Database are: Tables, queries, forms, reports. Develop sql query to display various cities from where customers belong to? Develop SQL to display all customers which are order by in ascending order on city? Execute and make sure you can display results. Develop sql to display all customers who belong to country which name starts with M.
Execute and verify results.
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Use DOCK30 coupon for more discount. No Course Pay now. List commercial Databases available in market? Why Database needed in development?
Role of a DBA in Database? Basics of Database Explain various elements of a table? With examples. Database is a collection of only tables or more than this? What are different data types are use in Database table? List down. What is Constraints? Define different type of constraints? What is called referential integrity? What do you mean by primary key? Differentiate with foreign key?
What is called view? Why we create it? What is CRUD operation? Define it on a table. Define JOIN? Describe different types of JOIN? How web front end interact with database? Perform following operation on it. Explain with example.
What is a purpose of using union? Explain all wildcards available in SQL? How we can add extra column in table? List the name of SQL statement?
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I Just assignment database to see how that works. Q 1 A database management system DBMS is a set of assignment database and applications that helps in storing, modifying, and extracting information from a database.
What is DBMS? DBMS stands for database management system.
DBMS is a computer software application for creating and managing database organized collection of data.