Introduction to SQL Server 2000 & Relational Databases

[nitiraj18]

Presented by:
k.gopal

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Introduction

SQL Server is a client/server based relational database management system
Runs on Windows 2000 Professional, Server, Advanced Server, NT 4, Windows 9x/ME or Windows CE
Included in BackOffice product family
Include in .Net Servers family

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SQL Functions

SQL Aggregate Functions
AVG() - Returns the average value
COUNT() - Returns the number of rows
FIRST() - Returns the first value
LAST() - Returns the last value
MAX() - Returns the largest value
MIN() - Returns the smallest value
SUM() - Returns the sum
SQL Scalar functions
UCASE() - Converts a field to upper case
LCASE() - Converts a field to lower case
MID() - Extract characters from a text field
LEN() - Returns the length of a text field
ROUND() - Rounds a numeric field to the number of decimals specified
NOW() - Returns the current system date and time
FORMAT() - Formats how a field is to be displayed
The AVG() Function
The AVG() function returns the average value of a numeric column.

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