1

Working with MS SQL Server II

2

The sqlcmd Utility

Command line utility for MS SQL Server databases.

Previous version called osql

Available on classroom and lab PCs. Free download from Microsoft

google sqlcmd download

In Windows command window Connect to a Database Server Enter SQL commands on the command line. Results output to the console.

3

Getting and Installing sqlcmd

Included with Management Studio Express. Free download from Microsoft,

Documentation available in SQL Server 2005 Books Online Free download from Microsoft.

In Visual Studio 2008 Help search for sqlcmd.

Visual Studio Search Result

5

The SQL Language

The following slides demonstrate SQL commands using the sqlcmd program.

Remember SQL is used everywhere we interact with a database server: Command line Database management programs

Including Visual Studio Server Explorer Our own programs (in the form of strings)

Using sqlcmd

In order to use sqlcmd with the SQL Server on scorpius you will need a VPN connection.

See: http://www.cse.usf.edu/~turnerr/Software_Systems_Development/073a_Working_with_MS_SQL_Server.pdf

The following slides use the addresses table that we created and populated in a previous class. Slides 9 - 37 of same presentation.

7

Using sqlcmd

The Server My Username

Password entered here

Execute commands in buffer

8

SQL Command Line Example

View a subset of the columns.

9

Retrieve Specific Entries

Find all addresses with zip code 33707

10

Wildcard Selection

Find all addresses with last name beginning with S

11

Wildcard Selection

All addresses with last name containing an s

12

Case Sensitivity

Typically SQL commands and keywords are not case sensitive.

Data is case sensitive Characters are stored as upper case or lower case.

Sorting order is a mode Default is not case sensitive Search comparisons same as sorting order.

http://sqlserver2000.databases.aspfaq.com/how-can-i-make-my-sql-queries-case-sensitive.html

13

Case Sensitivity

Case Sensitive Select

14

Case Sensitivity

You can make the default for a column case sensitive.

See: http://social.msdn.microsoft.com/Forums/en-US/

sqlsetupandupgrade/thread/850deb43-18ff-492b-bec0-b2b9a7ad76ac

Or google mssql collate

15

16

Sorting the Output

Zip_Code is a string. So sort is lexicographic, not numeric.

17

Counting Rows

How many addresses are there with zip code 33707?

18

Updating Records

19

Updating Records

20

Updating Multiple Fields

21

Deleting a Record

22

SQL Commands in Visual Studio

We can also use Visual Studio to issue arbitrary SQL commands to the server.

On the Data menu select New Query

23

SQL Commands in Visual Studio

24

SQL Commands in Visual Studio

Click here

25

SQL Commands in Visual Studio

Enter SQL command here.

26

SQL Commands in Visual Studio

Click here to execute the command.

27

SQL Commands in Visual Studio

Results appear below the Query window.

28

Learning SQL

Many books available

One that I recommend: Teach Yourself SQL in 24 Hours (Third Edition) Ryan Stephens and Ron Plew, SAMS, 2003

Lots of information on the web A sampling:

http://en.wikipedia.org/wiki/SQL http://www.w3schools.com/sql/default.asp http://db.grussell.org/ch3.html