SQL SERVER – Tips from the SQL Joes 2 Pros Development Series – Introduction to Views – Day 23 of 35

SQL SERVER - Tips from the SQL Joes 2 Pros Development Series - Introduction to Views - Day 23 of 35 joes2pros4 Answer simple quiz at the end of the blog post and –

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View Options

Not every query may be turned into a view.  There are rules which must be followed before your queries may be turned into views.

View Rules

This query includes a simple aggregation which totals the grant amounts according to each EmpID.  It’s a handy report, but we can’t turn it into a view. The error message shown displays when you attempt to run this code and create the view.  Notice that it says “…no column name was specified for column 2.”

SQL SERVER - Tips from the SQL Joes 2 Pros Development Series - Introduction to Views - Day 23 of 35 j2p_23_1

We must first make certain this expression field column has a name before we can create this view. Alias the expression field as “TotalAmount” and then run this CREATE VIEW statement for vEmpGrantTotals.

CREATE VIEW dbo.vEmpGrantTotals
AS
SELECT EmpID, SUM(Amount) AS TotalAmount
FROM [Grant]
GROUP BY EmpID


Encrypting Views

Suppose you want to make sure that people can utilize this view to run reports, but you don’t want them to be capable of seeing or recreating the underlying code.  The sp_HelpText system stored procedure reveals the code which created an object.

SQL SERVER - Tips from the SQL Joes 2 Pros Development Series - Introduction to Views - Day 23 of 35 j2p_23_2

We want to alter this view so that the source code is encrypted.  Two modifications to the code for vEmpGrantTotals will make this change:

1)        Change CREATE VIEW to ALTER VIEW.

2)        Add WITH ENCRYPTION before the AS keyword.

ALTER VIEW dbo.vEmpGrantTotals
WITH ENCRYPTION
AS
SELECT EmpID, SUM(Amount) AS TotalAmount
FROM [Grant]
GROUP BY EmpID

The best practice after we create or alter an object is to run a SELECT statement to confirm that it produces the expected result.  Look at Object Explorer and notice that a small padlock now appears on the icon for vEmpGrantTotals.

SQL SERVER - Tips from the SQL Joes 2 Pros Development Series - Introduction to Views - Day 23 of 35 j2p_23_3

Often times you can just right-click a view in Object Explorer and choose “Script View as” to see the code for the view.  Now when we attempt that maneuver for our encrypted view, SSMS gives us a message saying that the text is encrypted and we can’t script this view. Management Studio (SSMS) will not allow us to generate code for the encrypted view. The properties dialog for vEmpGrantTotals also tells us that the view is now encrypted.

SQL SERVER - Tips from the SQL Joes 2 Pros Development Series - Introduction to Views - Day 23 of 35 j2p_23_4

SQL SERVER - Tips from the SQL Joes 2 Pros Development Series - Introduction to Views - Day 23 of 35 j2p_23_5

Attempt to run the sp_HelpText sproc and notice the message, “The text for object ‘dbo.vEmpGrantTotals’ is encrypted.”.

sp_helptext 'dbo.vEmpGrantTotals'

Msg 15009, Level 16, State 1, Procedure sp_helptext, Line 54

The object ‘dbo.vEmpGrantTotals’ does not exist in database ‘JProCo’ or is invalid for this operation.

Note: If you want to setup the sample JProCo database on your system you can watch this video. For this post you will want to run the SQLProgrammingChapter4.2Setup.sql script from Volume 4.

Question 23

What are the two ways to see the code that created a view? (Choose Two)

  1. WITH SCHEMABINDING
  2. WITH ENCRYPTION
  3. sp_helptext
  4. sp_depends
  5. sys.syscomments

Rules:

Please leave your answer in comment section below with correct option, explanation and your country of resident.
Every day one winner will be announced from United States.
Every day one winner will be announced from India.
A valid answer must contain country of residence of answerer.
Please check my facebook page for winners name and correct answer.
Every day one winner from India will get Joes 2 Pros Volume 4.
Every day one winner from United States will get Joes 2 Pros Volume 4.
The contest is open till next blog post shows up at which is next day GTM+2.5.

Reference:  Pinal Dave (https://blog.sqlauthority.com)

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SQL SERVER – Tips from the SQL Joes 2 Pros Development Series – Easy Introduction to CHECK Options – Day 24 of 35

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102 Comments. Leave new

  • Hi Pinal,

    The correct options are 3 and 5

    3. sp_helptext Displays the definition of a user-defined view or system object such as a system stored procedure.This gives the code thar created the view.

    5. sys.syscomments Contains entries for each view,stored procedure within the database. This should be used with a join with sys.sysobjects to get the code that created a view.

    Thanks & Regards
    Santosh.S
    Bangalore, India

    Reply
  • At Present, according to me, code that created a view, can be seen using “sp_helptext” and “sys.syscomments”

    sp_helptext displays the definition of a user-defined rule, unencrypted Transact-SQL stored procedure/ view, user-defined Transact-SQL function, trigger, computed column, CHECK constraint,or system stored procedure.
    Where as,
    sys.syscomments contains entries for each view, rule, default, trigger, CHECK constraint, DEFAULT constraint, and stored procedure within the database. The text column contains the original SQL definition statements. In SQL server 2008, its mapped as “sys.sql_modules”

    Syntax for sp_helptext is as follows,
    USE [database_name];
    GO
    EXEC sp_helptext ‘[view_name]’;
    GO

    Syntax for sys.sql_modules is as follows,
    USE [database_name];
    GO
    SELECT sm.object_id
    FROM sys.sql_modules AS sm
    GO

    Other than the options given above, one can also see the code by right clicking the object explorer and selecting ‘script view’.

    COUNTRY – INDIA

    Reply
  • The Correct Option is
    # 3. I didn’t find second one. Pinal please tell me second one.
    Country : India

    Reply
  • Correct Options are

    3.sp_helptext
    5.sys.syscomments

    CREATE VIEW dbo.vEmpGrantTotals
    AS
    SELECT EmpID, SUM(Amount) AS TotalAmount
    FROM [Grant]
    GROUP BY EmpID

    For sp_helptext
    =============
    sp_helptext vEmpGrantTotals

    For sys.syscomments
    =================
    SELECT DISTINCT c.text
    FROM syscomments c
    inner JOIN sysobjects o ON
    c.[id] = o.[id]
    WHERE o.[name] = ‘vEmpGrantTotals’ AND o.TYPE =’V’

    Thanks,
    Mitesh Modi
    Gujarat, India

    Reply
  • 3 and 5 are the correct answers.

    Sreeram
    India

    Reply
  • Hi Pinal,

    Correct Options are 3 & 5.

    3. sp_helptext
    5. sys.syscomments

    Thanks & Regards
    Neeraj Bansal
    Noida

    Reply
  • Correct Answer option No : 2 & 3

    Shekhar Gurav.
    Country : India

    Reply
  • Option 3 & 5 are correct
    These two options, sp_helpText and sys.syscomments returns the text unless its encrypted.

    (Sale, Nigeria)

    Reply
  • Jungchan Hsieh
    August 23, 2011 3:57 pm

    The correct Answers are :3.sp_helptext, 5. sys.syscomments

    3.sp_helptext ‘[view_name]‘

    there is no easy way to use the result of this query.

    5. sys.syscomments

    The disadvantage here is that this method is lengthy and you have to specify the object name and schema name separately.

    Richardson, Texas, USA

    Reply
  • Correct Answer is option 3 & 5.

    3. sp_helptext
    5. sys.syscomments

    sp_helptext: We can use this to display the the definition of a View.

    sys.syscomments: Contains entries for each view, rule, default, trigger, CHECK constraint, DEFAULT constraint, and stored procedure within the database. The text column contains the original SQL definition statements.

    sys.sysobjects.name – Displays the View Name.
    sys.syscomments.text – Displays the definition of the View.

    Malay Shah
    Ahmedabad, India

    Reply
  • Option 3 and 5 are correct
    Robin Thomas
    India

    Reply
  • Mike Michalicek
    August 23, 2011 5:40 pm

    Something must have gone wacky with this email: It has the same title as yesterdays email (Day 22 of 35 not Day 23 of 35), this question is about View Options, at the bottom of the email it shows Question 23 along with a question about views (What are two ways to see the code that created a view? (Choose two)), but the options to choose from came from the Check Constraint question from day 22 of 35.

    Since I have no real options to choose from I will also choose options 3 & 5

    USA

    Mike Michalicek

    Reply
  • Answers 3 and 5 will work.

    You can also use sys.sql_modules with code to the effect of:
    SELECT definition
    FROM sys.sql_modules
    WHERE object_id = Object_id(”)

    Matt Nelson, USA

    Reply
  • Options 3 & 5.

    Reagrds,
    Girish Rokade
    Pune India

    Reply
  • The Correct answers are option 3 & 5.
    Examples,
    We we take view1 as a view definition.

    then,

    sp_helptext View1

    SELECT text FROM sys.syscomments WHERE id = OBJECT_ID(‘View1’);

    Regards,
    Girish Rokade
    Pune India

    Reply
  • Answers are 3 and 5.

    Additionally you can also use “Script View as” which is what I’ve typically done. However, none of these methods will work once encryption is turned on. It is a way to protect others from viewing the code.

    USA

    Reply
  • The correct answers are options 3 and 5 to view the source code of a non-encrypted view.

    Country: United States

    Reply
  • Hi Pinal,

    Challenge:
    What are the two ways to see the code that created a view? (Choose Two)

    1.WITH SCHEMABINDING
    2.WITH ENCRYPTION
    3.sp_helptext
    4.sp_depends
    5.sys.syscomments

    Correct Answer with Explanation:
    The correct choices listed abobe to see the code that created a view are #3 and #5: using sp_helptext and by running a query against sys.syscomments. The view cannot be encrypted, though.

    Country:
    United States

    Thanks for the knowledge!

    Regards,

    Bill Pepping

    Reply
  • Leonardo Guerrero (@Cibek)
    August 23, 2011 6:31 pm

    Hi everyone
    The answer is 1 and 5
    sp_helptext
    or
    select text from sys.siscomments where text like ‘%<view_name%'

    from: Chile

    Reply
  • Answer to the above question is :

    3.sp_helptext
    5.sys.syscomments

    Why option 3 :
    Sp_helptext is a system stored procedure, which is used to view the contents of the objects created in SQL Server. Contents of objects such as unencrypted stored procedure, user defined function, view, trigger etc. etc. can be displayed using above mentioned SSP.

    To view the contents of view using sp_helptext

    sp_helptext

    Why option 5 :
    sys.syscomments contains information / entry regarding all objects those are getting created in SQL Server. Objects such as sp name, functions, views, check constaints, default constaints, rules, triggers etc. etc. The definition of all the above mentioned objects is stored in Name column of sys.syscomments.

    To view the contents of view using sys.syscomments

    select name,text from sys.syscomments a
    inner join sys.objects b on a.id = b.object_id
    where b.name = ‘view_name’ and b.xtype=’V’

    Kedar Dighe.
    Country of Residence – India

    Reply

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