Ansi SQL92 Question

Feb 1, 2007

I have an application that uses the old join syntax instead of the
SQL92 standards join syntax.
I need to justify changing the code to the new standard.
Is there any performance issue related to using the old syntax that
are documented?
Are there any other issues that I use to justify a code upgrade?

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Question: Has Anyone Written A Tool To Convert From ANSI-89 To ANSI-92 Join Syntax?

Oct 25, 2007

A question for everyone:
With the introduction of SQL 2005, we now have to use ANSI-92 T-SQL Syntax and I was wondering if anyone had written a tool to convert queries from old ANSI SQL to the new syntax.

We have some code that has to change for the outer joins, but we also have a lot of code that should change for the inner joins. It doesn't seem that difficult to write something that parses an old piece of code and at least suggests a new version. Especially if the conversion code wasn't SQL code.

Thanks, in advance,
Brian

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Convert ANsi-89 To Ansi-92 Outer Join

Oct 1, 2007

I've been using this syntax for years on SQL Server and now comes the time to convert to SQL 2005 (90 compatibility). This syntax returns four rows. Basically it returns one row for each servername/component/context/property/value even when there does not exist a property of 'fff' since it's a left join:



Code Block
select t1.* from tblconfiguration t1
,tblconfiguration t2
where t1.component = 'AdjProcessUtility'
and t1.servername *= t2.servername
and t1.component *= t2.component
and t1.context *= t2.context
and t1.property = 'proc'
and t2.property = 'fff'




Result:
SQLEDEV1 AdjProcessUtility DuplicatesReport Proc Adjustment.dbo.prcDuplicatesReport
SQLEDEV1 AdjProcessUtility ExtractAdjFile Proc Adjustment.dbo.prcAdjExtractMFFiles
SQLEDEV1 AdjProcessUtility ValidationProcess Proc prcAdjValidations
SQLEDEV1 AdjProcessUtility ValidationReport Proc Adjustment.dbo.prcValidationReport



When the converted (using SQL enterprise Mgr) runs it returns no rows:



Code Block
SELECT t1.*
FROM dbo.tblConfiguration t1 LEFT OUTER JOIN
dbo.tblConfiguration t2 ON t1.ServerName = t2.ServerName AND t1.Component = t2.Component AND t1.Context = t2.Context
WHERE (t1.Component = 'AdjProcessUtility') AND (t1.Property = 'proc') AND (t2.Property = 'fff')





I don't really see how to change this query to make it work. I've searched the web and I really don't see any examples of left joins which use more than one column.

Here's the table definition:



Code Block
CREATE TABLE dbo.tblConfiguration
(
ServerName VARCHAR(30) NOT NULL,
Component VARCHAR(255) NOT NULL,
Context VARCHAR(255) NOT NULL,
Property VARCHAR(255) NOT NULL,
CONSTRAINT PK_tblConfiguration PRIMARY KEY NONCLUSTERED( ServerName, Component, Context, Property ),
Value VARCHAR(255) NOT NULL
)




I use this table to define reports and there attribues. The rows repeat themselves except for the Property and Value columns
Here is some of the data:

SQLEDEV1 AdjProcessUtility ExtractAdjFile Proc Adjustment.dbo.prcAdjExtractMFFiles

SQLEDEV1 AdjProcessUtility ExtractAdjFile RunTime 13:25
SQLEDEV1 AdjProcessUtility ExtractAdjFile Schedule 2,3,4,5,6
SQLEDEV1 AdjProcessUtility ExtractAdjFile FixedRecLength 71
SQLEDEV1 AdjProcessUtility ExtractAdjFile WriteFileHeader Y
SQLEDEV1 AdjProcessUtility ExtractAdjFile WriteTempTable Y

SQLEDEV1 AdjProcessUtility ValidationProcess Proc prcAdjValidations
SQLEDEV1 AdjProcessUtility ValidationReport ReportClass ReportCSV
SQLEDEV1 AdjProcessUtility ValidationReport Ids Validation
SQLEDEV1 AdjProcessUtility ValidationReport RunTime 15:06
SQLEDEV1 AdjProcessUtility ValidationReport Schedule 2,3,4,5,6
SQLEDEV1 AdjProcessUtility ValidationReport DefaultFileName Adj_ValidationReport_MMDDYYHHMM.csv


etc.

Any help is greatly appreciated,
Sid

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Oct 5, 2006

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Jul 19, 1999

CREATE TABLE [test] (
[label] [char] (10) ,
[order] [int]
)

INSERT INTO test ([label],[order]) VALUES ('a',1)
INSERT INTO test ([label],[order]) VALUES ('a',2)
INSERT INTO test ([label],[order]) VALUES ('b',1)
INSERT INTO test ([label],[order]) VALUES ('b',2)

SELECT
[label],[order]
FROM
test
GROUP BY
[label]
HAVING
[order] = max([order])

Server: Msg 8120, Level 16, State 1, Line 1
Column 'test.order' is invalid in the select list because it is not
contained in either an aggregate function or the GROUP BY clause.
Server: Msg 8121, Level 16, State 1, Line 1
Column 'test.order' is invalid in the HAVING clause because it is not
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Feb 8, 1999

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Thanks,
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Jun 13, 2000

ok people, this is getting seriously frustrating! Please help!

As mentioned in a previous post, one of my batch jobs is printing fields with padding added, even when
the table column is defined as varchar.

I've been to the knowledge base, read the article on ansi padding, ran the test scripts.
But when I ran the select to display the columns,
THE OUTPUT FOR BOTH TABLES WAS IDENTICAL!!!
Apparently the SET ANSI_PADDING ON/OFF option had no effect!

What am i doing wrong? What is missing? Do i have to run the Set Ansi Padding option in the Master DB
context? Have I unknowingly overridden the option somewhere else? Must I brush up on my COBOL
for a career change?

HELP!

fjw

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Aug 7, 2001

My question here is whether or not MS SQL is processing joins according to the ANSI SQL standard. The situation is this, a friend of mine has the following query (The definition for the tables and the data in them are at the end of the message):


SELECT t.*, v.*
FROM Table3 T LEFT OUTER JOIN
TableView V ON T.tx = V.tx
WHERE V.tx IS NULL and V.part IN (1,2)


My friend is implying that the OUTER join takes precedence over the WHERE clause and should return ALL rows from table3 that don't exist in the view. The view, as you will see below, is a partitioned view. My contention is that the proper join processing is to join the tables first and then apply the WHERE clause to that result set (regardless of the join type). In my friend's case, he expects this query to return four rows. My expectation is that it will return zero rows, because in the result set after the join is performed there are no rows that have a NULL in the v.tx column AND 1 or 2 in the v.part column. The actual ouput agrees with my premise and my friend is sure that this is not proper ANSI SQL join processing. Is this proper ANSI join processing or is MS SQL deviating from the standard?




/************************************************** **********************/


if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[Table1]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[Table1]
GO

CREATE TABLE [dbo].[Table1] (
[Part] [tinyint] NOT NULL ,
[id] [int] NOT NULL ,
[tx] [INT] NULL
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[Table1] WITH CHECK ADD
CONSTRAINT [PK_Table1] PRIMARY KEY CLUSTERED
(
[Part],
[id]
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[Table1] WITH CHECK ADD
CONSTRAINT [CK_Table1] CHECK ([Part] = 1)
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[Table2]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[Table2]
GO

CREATE TABLE [dbo].[Table2] (
[Part] [tinyint] NOT NULL ,
[id] [int] NOT NULL ,
[tx] [INT] NULL
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[Table2] WITH CHECK ADD
CONSTRAINT [PK_Table2] PRIMARY KEY CLUSTERED
(
[Part],
[id]
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[Table2] WITH CHECK ADD
CONSTRAINT [CK_Table2] CHECK ([Part] = 2)
GO

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[Table3]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[Table3]
GO

CREATE TABLE [dbo].[Table3] (
[tx] [int] NOT NULL
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[Table3] WITH CHECK ADD
CONSTRAINT [PK_Table3] PRIMARY KEY CLUSTERED
(
[tx]
) ON [PRIMARY]
GO
--DROP VIEW TableView
CREATE VIEW TableView AS
SELECT * FROM Table1
UNION ALL
SELECT * FROM Table2
GO

INSERT TableView (Part,Id,Tx) VALUES (1,1,1)
INSERT TableView (Part,Id,Tx) VALUES (1,2,2)
INSERT TableView (Part,Id,Tx) VALUES (1,3,NULL)
INSERT TableView (Part,Id,Tx) VALUES (2,4,4)
INSERT TableView (Part,Id,Tx) VALUES (2,5,5)
INSERT TableView (Part,Id,Tx) VALUES (2,6,NULL)
INSERT Table3 (tx) VALUES (1)
INSERT Table3 (tx) VALUES (2)
INSERT Table3 (tx) VALUES (3)
INSERT Table3 (tx) VALUES (4)
INSERT Table3 (tx) VALUES (5)
INSERT Table3 (tx) VALUES (6)
INSERT Table3 (tx) VALUES (7)
INSERT Table3 (tx) VALUES (8)
GO

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2) If I write a query (shown below), it tries to join table A and B returning large number of rows.

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Many thanks

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Jul 20, 2005

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PRINT 'Testing with ANSI_PADDING ON'

SET ANSI_PADDING ON;

GO

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charcol CHAR(16) NULL,

varcharcol VARCHAR(16) NULL,

varbinarycol VARBINARY(8)

);

GO

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INSERT INTO t1 VALUES ('Trailing blank ', 'Trailing blank', 0x00ee00);

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GO

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varbinarycol

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GO

PRINT 'Testing with ANSI_PADDING OFF';

SET ANSI_PADDING OFF;

GO

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charcol CHAR(16) NULL,

varcharcol VARCHAR(16) NULL,

varbinarycol VARBINARY(8)

);

GO

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INSERT INTO t2 VALUES ('Trailing blank ', 'Trailing blank', 0x00ee00);

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GO

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Many hours would be spent browsing through millions of lines of code to find the non-ansi SQL and have changes made.

Does anyone know of any trace flaqs or registry entries that would allow SQL Server 2005 work in 90 compatiblity and still allow non-ansi =* and *= joins in SQL?

Thanks,
AIMDBA

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Isql / Osql / Windows XP / Disable Automatic ANSI To OEM Conversion

Jan 18, 2006

Hello to all SQL Server junkies who work with non-English characters:For people running scripts from the command line using ANSI files withspecial characters, it is very important to use isql and disable"Automatic ANSI to OEM conversion":- This only affects isql from the command line, and no guiapplications- http://support.microsoft.com/?scid=kb;EN-US;153449- Start the "Client Network Utility"C:WINDOWSsystem32cliconfg.exe- Select the DB-Library Tab- Deselect "Automatic ANSI to OEM conversion"- Click OK or ApplyOr inject this registry entry:[HKEY_LOCAL_MACHINESOFTWAREMicrosoftMSSQLServer ClientDB-Lib]"AutoAnsiToOem"="OFF"Here are some useful lines from a batch script to query the currentvalue of the registry and reset if necessary. This is tested onWindows XP. It will query the registry, throw away the first threelines of output, and return the value of the third field on the fourthline. Delims lists one tab character and one space character. Type thefollowing all on one line:@FOR /F "SKIP=3 TOKENS=3 DELIMS= " %%A IN ('REG QUERYHKLMSOFTWAREMicrosoftMSSQLServerClientDB-Lib /v AutoAnsiToOem') DO@SET AUTOANSITOOEM=%%AType the "reg add" line all on one line:@IF /i "%AUTOANSITOOEM%" EQU "ON" (@ECHO************************************************** **********************@ECHO ****@ECHO **** We need to disable "Automatic ANSI to OEM conversion"@ECHO **** Please seehttp://support.microsoft.com/?scid=kb;EN-US;153449@ECHO **** This only affects isql from the command line@ECHO ****@ECHO************************************************** **********************@REMREG ADD HKLMSOFTWAREMicrosoftMSSQLServerClientDB-Lib /vAutoAnsiToOem /t REG_SZ /d OFF)Alternatively, you must use Unicode script files and osql.PS: Thank you to Erland Sommarskog for http://www.sommarskog.se and Robvan der Woude for http://www.robvanderwoude.com

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Transact SQL :: Alter Table Set Quoted Identifier On And Set Ansi Null

May 27, 2015

I have existing table which is having Set Quoted Identifier Off and Set Ansi Null

Now I want to change those setting  so Is there any alter statement for the same?

Also Let's say At my database level If those settings are off and If I convert it to ON then It is not taking effect on existing tables SP which are already build.

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Use ANSI Join Or Old Style Join?

May 20, 2006

Hi,Just curious. Would you use ANSI style table joining or the 'oldfashion' table joining; especially if performance is the main concern?What I meant is illustrated below:ANSI Styleselect * from a join b on a.id = b.idOld Styleselect * from a, b where a.id = b.idI noticed that in some SQL, the ANSI is much faster but sometimes, theold style looks much better.It's ridiculous to try out both styles to see which is better wheneverwe want to write an SQL statement.Please comment.Thanks in advance.

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