How To Clean Up All Database Tables?

Apr 28, 2008

Hi everyone,

What is the easy way to clean up all ms sql 2005 tables? 

For example, a database table named Customers which has triggers and primary key and foreign keys.  Now I clean up the Customer table using the folowing statement

delete Customers

And the ms sql 2005 asks me to remove all triggers and foreign keys before allow me to clean up the Customers table.  Is there a way to clean up all tables without remove the tiggers and foreign keys?

Thanks

May

 

 

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PHP Code:




 WHERE 
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Right - as you can see, some of the line slook pretty similar. When I try and do:

(one AND two AND three) AND (four OR five), I get

(one AND two AND three AND four)
OR
(one AND two AND three AND five)

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CASE
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Sample Data
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A, A., A,
A Fred, NULL, A Fred,
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Microsoft (R) SQLMaint Utility, Version 6.50.240
Copyright (C) Microsoft Corporation, 1995 - 1996

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From Newbie to Newbie,



Add reference to:

'Microsoft ActiveX Data Objects 2.8 Library

'Microsoft ADO Ext.2.8 for DDL and Security

'Microsoft Jet and Replication Objects 2.6 Library

--------------------------------------------------------

Imports System.IO

Imports System.IO.File





Code Snippet

'BACKUP DATABASE

Public Shared Sub Restart()

End Sub



'You have to have a BackUps folder included into your release!

Private Sub BackUpDB_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BackUpDB.Click
Dim addtimestamp As String
Dim f As String
Dim z As String
Dim g As String
Dim Dialogbox1 As New Backupinfo


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z = "C:Program FilesVSoftAppMissNewAppDB.mdb"
g = addtimestamp + ".mdb"


'Add timestamp and .mdb endging to NewAppDB
f = "C:Program FilesVSoftAppMissBackUpsNewAppDB" & g & ""



Try

File.Copy(z, f)

Catch ex As System.Exception

System.Windows.Forms.MessageBox.Show(ex.Message)

End Try



MsgBox("Backup completed succesfully.")
If Dialogbox1.ShowDialog = Windows.Forms.DialogResult.OK Then
End If
End Sub






Code Snippet

'RESTORE DATABASE

Private Sub RestoreDB_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles

RestoreDB.Click
Dim Filename As String
Dim Restart1 As New RestoreRestart
Dim overwrite As Boolean
overwrite = True
Dim xi As String


With OpenFileDialog1
.Filter = "Database files (*.mdb)|*.mdb|" & "All files|*.*"
If .ShowDialog() = Windows.Forms.DialogResult.OK Then
Filename = .FileName



'Strips restored database from the timestamp
xi = "C:Program FilesVSoftAppMissNewAppDB.mdb"
File.Copy(Filename, xi, overwrite)
End If
End With


'Notify user
MsgBox("Data restored successfully")


Restart()
If Restart1.ShowDialog = Windows.Forms.DialogResult.OK Then
Application.Restart()
End If
End Sub








Code Snippet

'CREATE NEW DATABASE

Private Sub CreateNewDB_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles

CreateNewDB.Click
Dim L As New DatabaseEraseWarning
Dim Cat As ADOX.Catalog
Cat = New ADOX.Catalog
Dim Restart2 As New NewDBRestart
If File.Exists("C:Program FilesVSoftAppMissNewAppDB.mdb") Then
If L.ShowDialog() = Windows.Forms.DialogResult.Cancel Then
Exit Sub
Else
File.Delete("C:Program FilesVSoftAppMissNewAppDB.mdb")
End If
End If
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Jet OLEDB:Engine Type=5")

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'Dim Cat As ADOX.Catalog
Dim Tablename As ADOX.Table
'Taylor these according to your need - add so many column as you need.
Dim col As ADOX.Column = New ADOX.Column
Dim col1 As ADOX.Column = New ADOX.Column
Dim col2 As ADOX.Column = New ADOX.Column
Dim col3 As ADOX.Column = New ADOX.Column
Dim col4 As ADOX.Column = New ADOX.Column
Dim col5 As ADOX.Column = New ADOX.Column
Dim col6 As ADOX.Column = New ADOX.Column
Dim col7 As ADOX.Column = New ADOX.Column
Dim col8 As ADOX.Column = New ADOX.Column

Cn = New ADODB.Connection
Cat = New ADOX.Catalog
Tablename = New ADOX.Table



'Open the connection
Cn.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Program FilesVSoftAppMissNewAppDB.mdb;Jet

OLEDB:Engine Type=5")


'Open the Catalog
Cat.ActiveConnection = Cn



'Create the table (you can name it anyway you want)
Tablename.Name = "Table1"


'Taylor according to your need - add so many column as you need. Watch for the DataType!
col.Name = "ID"
col.Type = ADOX.DataTypeEnum.adInteger
col1.Name = "MA"
col1.Type = ADOX.DataTypeEnum.adInteger
col1.Attributes = ADOX.ColumnAttributesEnum.adColNullable
col2.Name = "FName"
col2.Type = ADOX.DataTypeEnum.adVarWChar
col2.Attributes = ADOX.ColumnAttributesEnum.adColNullable
col3.Name = "LName"
col3.Type = ADOX.DataTypeEnum.adVarWChar
col3.Attributes = ADOX.ColumnAttributesEnum.adColNullable
col4.Name = "DOB"
col4.Type = ADOX.DataTypeEnum.adDate
col4.Attributes = ADOX.ColumnAttributesEnum.adColNullable
col5.Name = "Gender"
col5.Type = ADOX.DataTypeEnum.adVarWChar
col5.Attributes = ADOX.ColumnAttributesEnum.adColNullable
col6.Name = "Phone1"
col6.Type = ADOX.DataTypeEnum.adVarWChar
col6.Attributes = ADOX.ColumnAttributesEnum.adColNullable
col7.Name = "Phone2"
col7.Type = ADOX.DataTypeEnum.adVarWChar
col7.Attributes = ADOX.ColumnAttributesEnum.adColNullable
col8.Name = "Notes"
col8.Type = ADOX.DataTypeEnum.adVarWChar
col8.Attributes = ADOX.ColumnAttributesEnum.adColNullable



Tablename.Keys.Append("PrimaryKey", ADOX.KeyTypeEnum.adKeyPrimary, "ID")


'You have to append all your columns you have created above
Tablename.Columns.Append(col)
Tablename.Columns.Append(col1)
Tablename.Columns.Append(col2)
Tablename.Columns.Append(col3)
Tablename.Columns.Append(col4)
Tablename.Columns.Append(col5)
Tablename.Columns.Append(col6)
Tablename.Columns.Append(col7)
Tablename.Columns.Append(col8)



'Append the newly created table to the Tables Collection
Cat.Tables.Append(Tablename)



'User notification )
MsgBox("A new empty database was created successfully")


'clean up objects
Tablename = Nothing
Cat = Nothing
Cn.Close()
Cn = Nothing


'Restart application
If Restart2.ShowDialog() = Windows.Forms.DialogResult.OK Then
Application.Restart()
End If

End Sub








Code Snippet



'COMPACT DATABASE

Private Sub CompactDB_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles

CompactDB.Click
Dim JRO As JRO.JetEngine
JRO = New JRO.JetEngine


'The first source is the original, the second is the compacted database under an other name.
JRO.CompactDatabase("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Program

FilesVSoftAppMissNewAppDB.mdb; Jet OLEDB:Engine Type=5", "Provider=Microsoft.Jet.OLEDB.4.0;

Data Source=C:Program FilesVSoftAppMissNewAppDBComp.mdb; JetOLEDB:Engine Type=5")


'Original (not compacted database is deleted)
File.Delete("C:Program FilesVSoftAppMissNewAppDB.mdb")


'Compacted database is renamed to the original databas's neme.
Rename("C:Program FilesVSoftAppMissNewAppDBComp.mdb", "C:Program FilesVSoftAppMissNewAppDB.mdb")


'User notification
MsgBox("The database was compacted successfully")

End Sub

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Why Clean Data Pages Written To L2 Cache To Make Space For Other Not Modified Pages

Oct 2, 2014

in microsoft doc there is written on the topic of BP Extensions with SSD's in SQL Server 2014: only clean pages are written to disk... does this mean data pages that have not been modified yet? or also those data pages that have already been modified, and where log has finished writing and the transaction has been marked as commited??

why are there clean data pages being written to L2 cache to make space for other not modified pages? I mean, shoudnt they be modified first, before letting other unmodified data pages into the Cache? I mean they have still to be modified..that makes no sense to me to page them out and page them in again just for other data pages...

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Integration Services :: Import Varying Number Of Tables Each Time From One Database To Different Database

Sep 9, 2015

I am new to SSIS. I have been struggling with this for the past one week. I have a weird task. I need to import several tables from one database to a different server with a new database name. We need to do this at the end of every year. The main problem here is that the number of tables varies every year. You may not have all the tables as last year or may have more tables. So I need to create a dynamic task that takes care of this every year without changing the package.

I have performed the following tasks **

1. Create a new dynamic database. ( I have used Execute SQL Task to do this) 2. Copy all the table structures ( I have used Execute SQL Task to do this)

3. Import Data. This is the main problem. I was trying to create a dynamic connection string with variables as suggested in several forums but I finally came to know that this cannot be done if the table structures are different as the metadata cannot be refreshed at runtime.

4. The final step to create a process to validate the data (the count from each table for both source and destination. I think this can be done with Sql task.

What is the best method to do this? My DBA does not like “Transfer SQL Objects Task” or “transfer Database Task”. I would like to create this as a dynamic process.

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