SYED SAJID WASIM

Ex-AVP, DHAKABANK Limited

Ex-Sr. Database Engineer, Orion Informatics Limited

Focused on database and development technologies

MCP, MCTS, MCSE on Data Platform & Administration

Working with SQL Server since version 6.5

01 | Introduction to SQL Server

Querying Microsoft SQL Server 2012 Jump Start

01 | Introducing SQL Server 2012

SQL Server types of statements; other SQL statement elements; basic SELECT statements

02 | Advanced SELECT StatementsDISTINCT, Aliases, scalar functions and CASE, using JOIN and MERGE; Filtering and sorting data, NULL

values

03 | SQL Server Data Types Introduce data types, data type usage, converting data types, understanding SQL Server function types

04 | Grouping and Aggregating DataAggregate functions, GROUP BY and HAVING clauses, subqueries; self-contained, correlated, and EXISTS; Views, inline-table

valued functions, and derived tables

Querying Microsoft SQL Server 2012 Jump Start

05 | SET Operators, Windows Functions, and Grouping SET operators, Windows functions, GROUPING sets (PIVOT, UNPIVOT, CUBE, ROLLUP)

06 | Modifying Data INSERT, UPDATE, and DELETE statements, use of defaults, constraints, and triggers, OUTPUT

07 | Programming with T-SQL Using T-SQL programming elements, implementing error handling, understanding and implementing transactions

08 | Retrieving SQL Server Metadata and Improving Query Performance Querying system catalogs and dynamic management views, creating and executing stored procedures, improving SQL

Server query performance

Statements for querying and modifying data

SELECT, INSERT, UPDATE, DELETE

Statements for object definitions

CREATE, ALTER, DROP

Statements for security permissions

GRANT, REVOKE, DENY

Data Manipulation Language (DML*)

Data Definition Language (DDL)

Data Control Language (DCL)

* DML with SELECT is the primary focus of this course

Categories of T-SQL statements

Predicates and Operators

Control of FlowFunctions

Expressions

Variables Comments

Batch Separators

T-SQL language elements

Elements: Predicates and Operators:

Predicates IN, BETWEEN, LIKE

Comparison Operators =, >, =, , !<

Logical Operators AND, OR, NOT

Arithmetic Operators +, -, *, /, %

Concatenation +

T-SQL enforces operator precedence

SUBSTRING LEFT, RIGHT LEN DATALENGTH REPLACE REPLICATE UPPER, LOWER RTRIM, LTRIM

GETDATE SYSTDATETIME GETUTCDATE DATEADD DATEDIFF YEAR MONTH DAY

SUM MIN MAX AVG COUNT

String FunctionsDate and Time Functions

Aggregate Functions

T-SQL language elements: functions

DECLARE @MyVar int = 30;

T-SQL language elements: expressions

SELECT YEAR(OrderDate) + 1 ...

SELECT OrderQty * UnitPrice ...

TRY...CATCH IF...ELSE WHILE BREAK CONTINUE BEGIN...END

BEGIN TRANSACTION

COMMIT TRANSACTION

ROLLBACK TRANSACTION

Control of Flow Error Handling Transaction Control

/* This is a block

of commented code*/

-- This line of text will be ignored

Logical query processing

5: SELECT

1: FROM

2: WHERE

3: GROUP BY

4: HAVING

6: ORDER BY

USE AdventureWorks2012;

SELECT SalesPersonID, YEAR(OrderDate) AS OrderYearFROM Sales.SalesOrderHeaderWHERE CustomerID = 29974GROUP BY SalesPersonID, YEAR(OrderDate)HAVING COUNT(*) > 1ORDER BY SalesPersonID, OrderYear;

Applying the logical order of operations to writing SELECT statements

USE AdventureWorks2012;

SELECT SalesPersonID, YEAR(OrderDate) AS OrderYearFROM Sales.SalesOrderHeaderWHERE CustomerID = 29974GROUP BY SalesPersonID, YEAR(OrderDate)HAVING COUNT(*) > 1ORDER BY SalesPersonID, OrderYear;

Clause Expression

SELECT

FROM

WHERE

GROUP BY

ORDER BY

SELECT CustomerID, StoreID

FROM Sales.Customer;

Keyword Expression

SELECT

FROM

SELECT unitprice, OrderQty, (unitprice * OrderQty)

FROM sales.salesorderdetail;

Operator Description

+ Add or concatenate

- Subtract

* Multiply

/ Divide

% Modulo

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