How To Get All The Table Names By Query

Apr 5, 2008

Hi,

I have a database that have two handred tables.I want to get all the table name list.

Would you please help me if you know how to do this (query or build-in stored procedure).

Thanks

Mark

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Get Table Names From Query

Mar 15, 1999

Using VB5|6/ADO/MSSQL6.5. I want to get the names of tables in a query. I.e. if query is "Select Name, Title from Employee inner join job on employee.empid = job.empid" I want a way to get "Name, Title"
In VB 3 we used the VBSQL.VBX which had 2 functions for this: SQLTabCount and SQLTabName.

Thanks in advance
DP

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Is it possible to use variable name to dynamically define a query in a stored procedure?  EX:

@Column = 'COUNT(*)'
@Category = 'Products'
@Table = 'Items. + @Category

SELECT @Column
FROM @Table

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Sep 11, 2006

Hi,

How canI get all field names in a table using sql query? Now I am not interested in the data in this table, what I am interested in is just the schema, i.e. all field names. Thanks.

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declare @a varchar(max),@i int;
declare @table table(rno int, name varchar(max))
declare @b varchar(max)
insert into @table
select row_number() over( order by table_name) rno, table_name from INFORMATION_SCHEMA.tables
declare @tblname varchar(max)

[Code] .....

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Sep 16, 2015

I don't know why this is so difficult. What I want to do is take a table name as a parameter to build a query and get an integer value from the result of the query. But from all of the research I have been doing, Dynamic SQL is bad in SQL server because of SQL Injections. But my users are not going to be supplying the table names.

Things I have learned:

 - SQL Functions cannot use Exec to execute query strings.
 - SQL Functions can return a concatenated string that could be used by a stored procedure to Exec the query string.

So how can I write a stored procedure that will
 
1. take a parameter
2. Pass the parameter to a function that will return a string
3. Execute that string as SQL
4. Get a return value from that SQL statement
5. Then finally, from a View, how can I pass a parameter to the stored procedure and get the returned value from the stored procedure to be used as a field in the View?

Numbers 3, 4, and 5 are where I am really stuck. I guess I don't know the proper syntax and limitations of SQL Server.

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Regarding The Query To Save The Ids Of The Edited Names From Different Tables Into A Single Table.

Mar 8, 2008

Here with the below query iam binding my gridview with industry name,company name,Plant Name,Group Name related to the IDs in Audit table.Select Aud.Ad_ID_PK,Aud.Audit_Name,Ind.Industry_Name,Cmp.Company_Name,Pla.Plant_Name,Gr.Groups_Name,Aud.Audit_Started_On,Aud.Audit_Scheduledto,Aud.Audit_Created_On from
Industry Ind,
Company Cmp,
Plant Pla,
Groups Gr,
Audits Audwhere Ind.Ind_Id_PK =Aud.Audit_Industry and
Cmp.Cmp_ID_PK =Aud.Audit_Company and
Pla.Pl_ID_PK =Aud.Audit_Plant and
Gr.G_ID_PK =Aud.Audit_Group and
Ad_ID_PK in (select Ad_ID_PK from Audits)
Now i want to edit these names.
when i click on edit in gridview these names will be filled into textboxes and when i change the names it should compare the name with particular tables and should get the Id of that and store in Audits table.
For example:
i have this data in my audits table:




Commercial83312

2
2
2
1
Here Commercial83312 is ID of that Audit and 2,2,2,1 are the Industry,Company,Plant and group Ids for that particular audit.In the front end i can see the names of this particular IDs.
when i edit the industry name in the UI it must check the name with industry table and get the ID of the changed name and store it in audit table.
so the data may be changed in audits table as :



Commercial83312

4
2
2
1

 




so here the industry ID is changed
I need the stored procedure for this.
please help me,its very urgent...

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Sep 11, 2013

I want to update Flag column in second table based on the Adder names.

If the Applicatiion has atleast one AIX and Adder name is UDB then the flag would be True.
If the Application has more the one AIX and Adder names are diferent then the flag would be null.

APpName OS Adder

App1 ||| Windows|||Null
App1 ||| Linux |||UDB
App1 ||| AIX |||UDB
App1 ||| Linux |||Sql

App2 ||| AIX ||| UDB
App2 ||| Windows||| UDB
App2 ||| Linux ||| UDB
App2 ||| AIX ||| UDB

OUTPUT SHOULD BE LOOK LIKE BELOW

APpName OS Adder Flag

App1||| Windows|||Null|||null
App1||| Linux |||UDB |||null
App1||| AIX |||UDB |||null
App1||| Linux |||Sql |||null

App2|||AIX ||| UDB|||TRUE
App2|||Windows||| UDB|||TRUE
App2|||Linux ||| UDB|||TRUE
App2|||AIX ||| UDB|||TRUE

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The flat files will have similar naming: C:MyPathFlatFileTableAStaging__YYYYMM and C:MyPathFlatFileTableAStaging__YYYYMM.I want to run the package as an sql job in two steps, one for each table.I need to dynamically pass the table names and file names (together with the path) to the IS package.

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Jan 22, 2004

Hi

I was wondering if anyone has an idea of how we could find the table names and column names of the tables in our Sql server database at runtime/dynamically given our connection string? Please let me know.

Thanks.

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Jan 21, 2004

I'm trying to do an update query that looks like this:

UPDATE

PAEMPLOYEE

SET PAEMPLOYEE.LOCAT_CODE = EMPLOYEE.PROCESS_LEVEL


FROM

PAEMPLOYEE A

JOIN EMPLOYEE B ON A.EMPLOYEE = B.EMPLOYEE

It's erroring out on the Employee prefix B.EMPLOYEE saying:

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Is it wrong or will it cause problems to have a field name the same as the table name?

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Aug 31, 2007

Hello,
Maybe anyone have done that before?
I have table where i store SOURCE_TABLE_NAME and DESTINATION_TABLE_NAME, there is about 120+ tables.
i need make SSIS package which selects SOURCE_TABLE_NAME from source ole db, and loads it to DESTINATION_TABLE_NAME in destination ole db.

I made such SSIS package. set ole db source data access mode to table or view name variable.
set ole db destination data access mode to table or view name variable. set to variables defoult values (names of existing tables)
but when i loop table names is changed, it reports error, that can map columns, becouse in new tables is different columns.

how to solve that problem?

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Apr 10, 2008

How do I use table names stored in variables in stored procedures?




Code Snippetif (select count(*) from @tablename) = 0 or (select count(*) from @tablename) = 1000000





I receive the error 'must declare table variable '@tablename''

I've looked into table variables and they are not what I would require to accomplish what is needed.
After browsing through the forums I believe I need to use dynamic sql particuarly involving sp_executesql. However, I am pretty new at sql and do not really understand how to use this and receive an output parameter from it(msdn kind of confuses me too). I am tryin got receive an integer count of the records from a certain table which can change to anything depending on what the user requires.




Code Snippet

if exists(Select * from sysobjects where name = @temptablename)
drop table @temptablename




It does not like the 'drop table @temptablename' part here. This probably wouldn't be an issue if I could get temporary tables to work, however when I use temporary tables i get invalid object '#temptable'.

Heres what the stored procedure does.
I duplicate a table that is going to be modified by using 'select into temptable'
I add the records required using 'Insert into temptable(Columns) Select(Columns)f rom TableA'
then I truncate the original table that is being modified and insert the temporary table into the original.

Heres the actual SQL query that produces the temporary table error.




Code Snippet
Select * into #temptableabcd from TableA

Insert into #temptableabcd(ColumnA, ColumnB,Field_01, Field_02)
SELECT ColumnA, ColumnB, Sum(ABC_01) as 'Field_01', Sum(ABC_02) as 'Field_02',
FROM TableB
where ColumnB = 003860
Group By ColumnA, ColumnB

TRUNCATE TABLE TableA

Insert into TableA(ColumnA, ColumnB,Field_01, Field_02)
Select ColumnA, ColumnB, Sum(Field_01) as 'Field_01', Sum('Field_02) as 'Field_02',
From #temptableabcd
Group by ColumnA, ColumnB




The above coding produces

Msg 208, Level 16, State 0, Line 1

Invalid object name '#temptableabcd'.

Why does this seem to work when I use an actual table? With an actual table the SQL runs smoothly, however that creates the table names as a variable problem from above. Is there certain limitation with temporary tables in stored procedures? How would I get the temporary table to work in this case if possible?

Thanks for the help.


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CREATE FUNCTION dbo.fnReturnTablesForGroup
(
@whichgroup int
)
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[code]....

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Hello,
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CREATE PROCEDURE SelectTop(@tableName sysname)
AS
BEGIN

Execute('Select top 10 * from ' + @tableName + ';')

END

I want to be able to do the analogous thing with a table valued function (so that I can query the result set, without having to create a temp table). How should I do this (i.e., pass a tablename as an argument to a table valued function)?

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create table table1(tableID int, tableName varchar (30))
insert table1
select 1, 'tableSam' union all
select 2, 'tableDaniel' union all
select 3, 'tableRon' union all
select 4, 'tableKen' union all
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create table table2(tableID int, tableName varchar (30))
insert table2
select 6, 'tableSam' union all
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select 8, 'tableRon' union all
select 9, 'tableKen' union all
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create table table3(tableID int, tableName varchar (30))
insert table3
select 11, 'tableSam' union all
select 12, 'tableDaniel' union all
select 13, 'tableRon' union all
select 14, 'tableKen' union all
select 15, 'tableHonda'

create table table4 (tableID int, tableName varchar (30))
insert table4
select 16, 'tableSam' union all
select 17, 'tableDaniel' union all
select 18, 'tableRon' union all
select 19, 'tableKen' union all
select 10, 'tableHonda'




declare @string varchar(330)
declare @tableName varchar(30)
declare @count int
set @count = 0

while (@count < 5)
begin

select @tableName = table_name from information_schema.tables
where table_name like 'table%'

exec(@string)
print @tablename

set @count = @count + 1
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