‘SELECT’ command with Aggregate Function
SQL provides some aggregate function which is used in database. It is predefined which available by SQL server. SQL aggregate functions return a single value, calculated from values in a column.
‘SELECT’ command with SQL operator
There is lots of operator available in SQL server database such as assignment operator, bitwise operator, logical operator, comparison operator etc. Here we will discuss some important operator which is used widely in SQL server database.
JOINS in SQL Server
By using joins, you can retrieve data from two or more tables based on logical relationships between the tables. Joins indicate how Microsoft SQL Server should use data from one table to select the rows in another table.
Index in SQL Server
Index:Index is most important concept of SQL Server database to increase performance of retrieving data from database. Indexes speed up the querying p
Function in SQL
Function:Functions are compact pieces of Transact SQL code, which can accept parameters, and return either a value, or a table. They are saved as indi
Important SQL Keys
SQL Keys:In SQL, keys are used to maintain referential integrity among relations. Put simply, this means keys allow tables to reference each other, an
CREATE Command in SQL Server
CREATE command is used to create database structure. It is play an important role in SQL database server. Create command is used to create many database structures such as: Table, View, Stored procedure, function etc.
SQL Wildcards
SQL wildcards are used for searching one or more characters from table in a database. The SQL wildcards substitute one or more character, whenever there is a search for data in a table of the database.
Basic SQL Query
There are lots of SQL commands which are used in database. Here we will try to explore all the SQL commands with help of SQL Query.Data Definition La
Table-Valued Functions in SQL Server
A table-valued function is a user-defined function that can be used where views or table expressions are allowed in T-SQL. A user-defined function c
Transaction in SQL Server
In SQL Server we can implement transaction to ensure data integrity. In a multiuser situation, may be multiple transaction try to accessing the same r
Trigger in SQL Server
A Trigger is a special kind of stored procedure that is invoked whenever data in the underlying table is affected by any of the Data Manipulation Language (DML) statements -INSERT, UPDATE OR DELETE or Data Definition Language (DDL).