Operator precedence-data manipulation language, Database Management System

Assignment Help:

Operator Precedence

The basic operators used in SQL are * / - +

Operators of the similar priority are evaluated From Left to right

Parentheses are used to force prioritized evaluation.

Example:

SELECT ENAME, SAL, 12*SAL+100

FROM EMP;

SELECT ENAME, SAL, 12*(SAL+100) FROM EMP;

Related Discussions:- Operator precedence-data manipulation language

Write short notes on relational model, Write short notes on relational mode...

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

Define 3nf normal form, 3NF Normal Form A relation schema R is in 3NF ...

3NF Normal Form A relation schema R is in 3NF if it is in 2NF and for each FD X A either of the following is true X is a Super-key of R. A is a prime attribute of R

Write short notes on data ware housing, Write short notes on data ware hous...

Write short notes on data ware housing? Data ware housing applications needs the transformation of data from many sources into a cohesive reliable step set of data configured a

What is the full form of odbc, What is the full form of ODBC ? ODBC stand...

What is the full form of ODBC ? ODBC stands for Open Database Connectivity.

Create a query to produce single output-er model, This assignment concerns ...

This assignment concerns the Research database. The database ER model is shown above, where attributes are omitted for clarity. The relational model for the database is: Departm

Determine the statement- state as location within a program, State as Locat...

State as Location within a Program In this traditional approach, location of control inside a program totally defines the program state. Any finite state machine may be implem

The structured query language, The Structured Query Language INTRODUCT...

The Structured Query Language INTRODUCTION Database is an organised set of information about an entity having controlled redundancy and serves numerous applications. DBMS

Differences between structured data and unstructured data, Explain the diff...

Explain the differences between structured data and unstructured data. Structured data are facts concerning objects and events. The most significant structured data are numeric

Create a view that finds the student name, Section A: Use the following ta...

Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName

Explain in details about data sharing, Explain in details about Data Shari...

Explain in details about Data Sharing

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages