DDL : MS SQL SERVER QUERIES INTERVIEW QUESTIONS FOR EXPERIENCED DEVELOPER SET-8

DDL RELATED SQL SERVER INTERVIEW QUERIES This set contains most frequently asked ddl related interview queries, It contains query relate...

DDL RELATED SQL SERVER INTERVIEW QUERIES
This set contains most frequently asked ddl related interview queries, It contains query related to Identity column, Primary key and foreign key.

So lets start: SQL DDL RELATED QUERIES


--78. Write down the query to create employee table with Identity column([EmployeeID])
--ANS:
CREATE TABLE EmployeeDetail( [EmployeeID] INT IDENTITY(1,1) NOT NULL, [FirstName] NVARCHAR(50) NULL,
      [LastName] NVARCHAR(50) NULL, [Salary] DECIMAL(10, 2) NULL, [JoiningDate] DATETIME NULL, [Department] NVARCHAR(20) NULL,
      [Gender] VARCHAR(10) NULL)

--79. Write down the query to create employee table with Identity column([EmployeeID])
--ANS:
CREATE TABLE EmployeeDetail( [EmployeeID] INT IDENTITY(1,1) NOT NULL PRIMARY KEY, [FirstName] NVARCHAR(50) NULL,
      [LastName] NVARCHAR(50) NULL, [Salary] DECIMAL(10, 2) NULL, [JoiningDate] DATETIME NULL, [Department] NVARCHAR(20) NULL,
      [Gender] VARCHAR(10) NULL)
     
--80. Write down the query to create employee table with primary key (EmployeeID)
--ANS:
CREATE TABLE EmployeeDetail( [EmployeeID] INT IDENTITY(1,1) NOT NULL PRIMARY KEY,
    [FirstName] NVARCHAR(50) NULL,[LastName] NVARCHAR(50) NULL, [Salary] DECIMAL(10, 2) NULL, [JoiningDate] DATETIME NULL, [Department] NVARCHAR(20) NULL,
      [Gender] VARCHAR(10) NULL)
     
--81. How to set Primary key using Alter command
--ANS:
ALTER TABLE EmployeeDetail ADD PRIMARY KEY (P_EmployeeID)

--82. How to set primary key and foreignkey relationship using query(set EmployeeID column of ProjectDetail table as a foreignkey)
--ANS:
ALTER TABLE ProjectDetail
ADD CONSTRAINT fk_EmployeeDetailID_Eid FOREIGN KEY(EmployeeDetailID)REFERENCES EmployeeDetail(EmployeeID)


 

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SQL SERVER 6543480149935964574

Post a comment

  1. kindly send the pdf on my email id amit.aryan007@gmail.com

    ReplyDelete
  2. This is not for experienced developers .. Kindly upgrade the questions.

    ReplyDelete
  3. Yes,please update the questions

    ReplyDelete
  4. kindly send the pdf on my email id anand.pandit42@gmail.com

    ReplyDelete
  5. Hi Vikas,
    This is very nice tutorials
    Please send me pdf on this email id
    ychittibabu123@gmail.ccom

    ReplyDelete
  6. Kindly send me SQL server and query related PDF on this mail I'd
    Kalpesh.sojitra05@yahoo.com

    ReplyDelete
  7. Very useful sql collection .Please send the pdf to udsure33@gmail.com

    ReplyDelete

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