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Category Archives: Most Imp SQL Concepts
SQL Triggers – An Introduction
SQL Triggers – An Introduction Contents Introduction Magic Tables Difference between Stored Procedure and Trigger DML Triggers After Triggers Syntax of the After trigger Example of After Trigger for Insert Example of After Trigger for Delete Example of After Trigger … Continue reading
Exception handling in SQL Server
SQL server gives the exception/error handling mechanism which is similar to c#, Try..Catch block. In SQL Server, we can write the SQL Statements within the Try block and if any exception occurred control automatically goes to the group of SQL … Continue reading
Case Statement/ Expression in SQL Server
Case Statement/ Expression in SQL server Sometimes we need to get one result output from multiple possible outcomes based on the evaluation of some expression. This expression can be a simple case expression which compares an expression with a set … Continue reading
Posted in Most Imp SQL Concepts, SQL Basic Concepts, SQL Server
Tagged CodeProject, SQL Basic Concepts
1 Comment
Pivot and Unpivot table in SQL SERVER
Pivot Table:- Pivot tables are used to summarize and display the data, specially in case of report data by means of aggregating the values. Pivot table can be used if we want to display the unique values of the column of … Continue reading
CTE command In Sql Server
Common table expression (CTE):- Common table expression or CTE can be described as the temporary, named record set return by the execution of the query (insert, delete, update, select or update view statement). It is not stored as an object … Continue reading
Posted in Most Imp SQL Concepts, SQL CTE, SQL Server
Tagged SQL Advance Concepts, SQL CTE
31 Comments
SQL Server Functions- An Introduction
SQL FUNCTION: – Function in a database can be defined as the code segment consisting of a logical group of SQL statements which takes some input arguments (if required), run in a sequential order and returns the output either in … Continue reading
Cursor in SQL server
Sometimes our application required a database object which allows manipulation of data from a set of rows on row by row basic which means single row at a time. Cursor is the database object which solves this problem. With the use of … Continue reading
Posted in Most Imp SQL Concepts, SQL Cursor, SQL Server
Tagged CodeProject, SQL Advance Concepts, SQL Cursor
33 Comments
Sql Server View
Views:- View can be described as virtual table which derived its data from one or more than one table columns.It is stored in the database. It is used to implements the security mechanism in the Sql Server. For example, suppose … Continue reading
Posted in Most Imp SQL Concepts, SQL Server, SQL View
Tagged CodeProject, SQL Advance Concepts, SQL View
31 Comments
Indexes in Sql server
Indexes-Indexing is way to sort and search records in the table. It will improve the speed of locating and retrieval of records from the table.It can be compared with the index which we use in the book to search a … Continue reading
Posted in Most Imp SQL Concepts, SQL Indexes, SQL Server
Tagged SQL Advance Concepts, SQL Indexes
25 Comments
Sql Joins- Inner Joins, Self Joins, Outer Joins, Cross Joins
I generally feel that people are afraid of Joins in SQL Server. But if they know what the different types of Joins in SQL Server are and how they can be best used then they really enjoy using them. By … Continue reading
Posted in Most Imp SQL Concepts, SQL Joins, SQL Server
Tagged SQL Basic Concepts, SQL Joins, SQLServerPediaSyndication
33 Comments