SQL query to populate the records, the maximum processed should be less than 10 records per week.

Dear All,
I have a requirement, to write a SQL query to populate the records which are inserted less than 10 no of records.
The tables has the cretaed_date column and along with other key column which will have unique values.
Ex1: The user might have inserted records from application, per week basis, between the date range '01-jun-2013' - 08-jun-2013 , the no of records created by the user during this week may be less than 10 records or more.
But I want to populate the records by giving date range that too, it should pick the records the count which fall with in 10 records.
I dont want the query to populate the records if the user has inserted more than 10 records in a week.
Ex2:
User 1 has created 15 records during the week 1 ( the query should not populate this ).
User 2: has cretaed less than 10 records from the UI during the week 2. ( This details should get populated ).
Thanks

Use COUNT to find how many rows where inserted in a week.
If this does not answer your question then please read Re: 2. How do I ask a question on the forums? And provide necessary details.

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Hi,
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I first encountered the following error message when packaging the aforementioned SharePoint project into a wsp:
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https://social.msdn.microsoft.com/Forums/vstudio/en-US/1638a5f0-9321-4ff9-9ee7-6d347badb972/please-some-solution-to-the-specified-path-file-name-or-both-are-too-long?forum=tfsbuild
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Code source at the bottom:
*****************File::Program.cs*****************
using System;
using System.Configuration;
using System.Data;
using System.Diagnostics;
using Oracle.DataAccess.Client;
namespace WindowsApplication
static class Program
private static DataTable _testTable = new DataTable("TestData");
private static int _batchSize = 10000;
private static int _totalRecordForTest = 100000;
private static int _bulkTimeOut = 600;
private static string _targetConnectionString;
private static string _targetTableName;
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
_testTable.ReadXmlSchema("tmp.data.schema");
_testTable.ReadXml("tmp.data");
_targetConnectionString = ConfigurationManager.AppSettings["targetConnectionString"];
_targetTableName = ConfigurationManager.AppSettings["targetTableName"];
_batchSize = int.Parse(ConfigurationManager.AppSettings["batchSize"]);
_totalRecordForTest = int.Parse(ConfigurationManager.AppSettings["totalRecordForTest"]);
_bulkTimeOut = int.Parse(ConfigurationManager.AppSettings["bulkTimeOut"]);
PerformCorrectTest();
Console.WriteLine("Do you want to perform memory leak test?(If no then click cancel key)");
if (Console.ReadKey().Key != ConsoleKey.Escape)
PerformMemoryLeakTest();
Console.ReadKey();
_testTable =null;
public static void PerformCorrectTest()
Console.WriteLine("Managed memory usage: {0}, unmanaged: {1}", GC.GetTotalMemory(false),
Process.GetCurrentProcess().WorkingSet64);
using (VirtualSourceReader wrapper = new VirtualSourceReader(new DataTableReader(_testTable), batchSize, totalRecordForTest))
wrapper.RowsCopied += RowsCopied;
using (OracleConnection targetConnection = new OracleConnection(_targetConnectionString))
targetConnection.Open();
Console.WriteLine("Bulk insert started at {0}", DateTime.Now);
OracleBulkCopy bc = null;
try
bc = new OracleBulkCopy(targetConnection)
DestinationTableName = _targetTableName,
BulkCopyTimeout = _bulkTimeOut,
BatchSize = _batchSize
do
bc.WriteToServer(wrapper);
} while (wrapper.ResetState());
finally
if (null != bc)
bc.Close();
bc.Dispose();
targetConnection.Clone();
Console.WriteLine("Bulk insert completed at {0}", DateTime.Now);
wrapper.Close();
Console.WriteLine("Managed memory usage: {0}, unmanaged: {1}", GC.GetTotalMemory(false),
Process.GetCurrentProcess().WorkingSet64);
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Console.WriteLine("Managed memory usage: {0}, unmanaged: {1}", GC.GetTotalMemory(false),
Process.GetCurrentProcess().WorkingSet64);
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targetConnection.Open();
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OracleBulkCopy bc = null;
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bc = new OracleBulkCopy(targetConnection)
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bc.WriteToServer(wrapper);
finally
if (null != bc)
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bc.Dispose();
targetConnection.Clone();
Console.WriteLine("Bulk insert completed at {0}", DateTime.Now);
wrapper.Close();
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RowsCopied(sender, eventArgs.RowsCopied);
*****************File::SourceDataReaderWrap.cs*****************
using System;
using System.Collections.Generic;
using System.Data;
using Oracle.DataAccess.Client;
namespace WindowsFormsApplication1
public delegate void OnRowProcessed(object sender, long rowCount);
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protected IDataReader _originalReader;
protected readonly int _batchSize;
protected int _currentSessionRows;
protected long _rowCount;
public event OnRowProcessed RowsCopied;
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_originalReader = originalReader;
_batchSize = batchSize;
_rowCount = 0;
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/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
/// <filterpriority>2</filterpriority>
public void Dispose()
_originalReader.Dispose();
_originalReader = null;
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/// <summary>
/// Gets the name for the field to find.
/// </summary>
/// <returns>
/// The name of the field or the empty string (""), if there is no value to return.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
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/// </summary>
/// <returns>
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/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
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/// Gets the <see cref="T:System.Type"/> information corresponding to the type of <see cref="T:System.Object"/> that would be returned from <see cref="M:System.Data.IDataRecord.GetValue(System.Int32)"/>.
/// </summary>
/// <returns>
/// The <see cref="T:System.Type"/> information corresponding to the type of <see cref="T:System.Object"/> that would be returned from <see cref="M:System.Data.IDataRecord.GetValue(System.Int32)"/>.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public Type GetFieldType(int i)
return _originalReader.GetFieldType(i);
/// <summary>
/// Return the value of the specified field.
/// </summary>
/// <returns>
/// The <see cref="T:System.Object"/> which will contain the field value upon return.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public object GetValue(int i)
return _originalReader.GetValue(i);
/// <summary>
/// Gets all the attribute fields in the collection for the current record.
/// </summary>
/// <returns>
/// The number of instances of <see cref="T:System.Object"/> in the array.
/// </returns>
/// <param name="values">An array of <see cref="T:System.Object"/> to copy the attribute fields into.
/// </param><filterpriority>2</filterpriority>
public int GetValues(object[] values)
return _originalReader.GetValues(values);
/// <summary>
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/// </summary>
/// <returns>
/// The index of the named field.
/// </returns>
/// <param name="name">The name of the field to find.
/// </param><filterpriority>2</filterpriority>
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return _originalReader.GetOrdinal(name);
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/// Gets the value of the specified column as a Boolean.
/// </summary>
/// <returns>
/// The value of the column.
/// </returns>
/// <param name="i">The zero-based column ordinal.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public bool GetBoolean(int i)
return _originalReader.GetBoolean(i);
/// <summary>
/// Gets the 8-bit unsigned integer value of the specified column.
/// </summary>
/// <returns>
/// The 8-bit unsigned integer value of the specified column.
/// </returns>
/// <param name="i">The zero-based column ordinal.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public byte GetByte(int i)
return _originalReader.GetByte(i);
/// <summary>
/// Reads a stream of bytes from the specified column offset into the buffer as an array, starting at the given buffer offset.
/// </summary>
/// <returns>
/// The actual number of bytes read.
/// </returns>
/// <param name="i">The zero-based column ordinal.
/// </param><param name="fieldOffset">The index within the field from which to start the read operation.
/// </param><param name="buffer">The buffer into which to read the stream of bytes.
/// </param><param name="bufferoffset">The index for <paramref name="buffer"/> to start the read operation.
/// </param><param name="length">The number of bytes to read.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public long GetBytes(int i, long fieldOffset, byte[] buffer, int bufferoffset, int length)
return _originalReader.GetBytes(i, fieldOffset, buffer, bufferoffset, length);
/// <summary>
/// Gets the character value of the specified column.
/// </summary>
/// <returns>
/// The character value of the specified column.
/// </returns>
/// <param name="i">The zero-based column ordinal.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public char GetChar(int i)
return _originalReader.GetChar(i);
/// <summary>
/// Reads a stream of characters from the specified column offset into the buffer as an array, starting at the given buffer offset.
/// </summary>
/// <returns>
/// The actual number of characters read.
/// </returns>
/// <param name="i">The zero-based column ordinal.
/// </param><param name="fieldoffset">The index within the row from which to start the read operation.
/// </param><param name="buffer">The buffer into which to read the stream of bytes.
/// </param><param name="bufferoffset">The index for <paramref name="buffer"/> to start the read operation.
/// </param><param name="length">The number of bytes to read.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public long GetChars(int i, long fieldoffset, char[] buffer, int bufferoffset, int length)
return _originalReader.GetChars(i, fieldoffset, buffer, bufferoffset, length);
/// <summary>
/// Returns the GUID value of the specified field.
/// </summary>
/// <returns>
/// The GUID value of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public Guid GetGuid(int i)
return _originalReader.GetGuid(i);
/// <summary>
/// Gets the 16-bit signed integer value of the specified field.
/// </summary>
/// <returns>
/// The 16-bit signed integer value of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public short GetInt16(int i)
return _originalReader.GetInt16(i);
/// <summary>
/// Gets the 32-bit signed integer value of the specified field.
/// </summary>
/// <returns>
/// The 32-bit signed integer value of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public int GetInt32(int i)
return _originalReader.GetInt32(i);
/// <summary>
/// Gets the 64-bit signed integer value of the specified field.
/// </summary>
/// <returns>
/// The 64-bit signed integer value of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public long GetInt64(int i)
return _originalReader.GetInt64(i);
/// <summary>
/// Gets the single-precision floating point number of the specified field.
/// </summary>
/// <returns>
/// The single-precision floating point number of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public float GetFloat(int i)
return _originalReader.GetFloat(i);
/// <summary>
/// Gets the double-precision floating point number of the specified field.
/// </summary>
/// <returns>
/// The double-precision floating point number of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public double GetDouble(int i)
return _originalReader.GetDouble(i);
/// <summary>
/// Gets the string value of the specified field.
/// </summary>
/// <returns>
/// The string value of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public string GetString(int i)
return _originalReader.GetString(i);
/// <summary>
/// Gets the fixed-position numeric value of the specified field.
/// </summary>
/// <returns>
/// The fixed-position numeric value of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public decimal GetDecimal(int i)
return _originalReader.GetDecimal(i);
/// <summary>
/// Gets the date and time data value of the specified field.
/// </summary>
/// <returns>
/// The date and time data value of the specified field.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public DateTime GetDateTime(int i)
return _originalReader.GetDateTime(i);
/// <summary>
/// Returns an <see cref="T:System.Data.IDataReader"/> for the specified column ordinal.
/// </summary>
/// <returns>
/// An <see cref="T:System.Data.IDataReader"/>.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public IDataReader GetData(int i)
return _originalReader.GetData(i);
/// <summary>
/// Return whether the specified field is set to null.
/// </summary>
/// <returns>
/// true if the specified field is set to null; otherwise, false.
/// </returns>
/// <param name="i">The index of the field to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
public bool IsDBNull(int i)
return _originalReader.IsDBNull(i);
/// <summary>
/// Gets the number of columns in the current row.
/// </summary>
/// <returns>
/// When not positioned in a valid recordset, 0; otherwise, the number of columns in the current record. The default is -1.
/// </returns>
/// <filterpriority>2</filterpriority>
public int FieldCount
get { return _originalReader.FieldCount; }
/// <summary>
/// Gets the column located at the specified index.
/// </summary>
/// <returns>
/// The column located at the specified index as an <see cref="T:System.Object"/>.
/// </returns>
/// <param name="i">The zero-based index of the column to get.
/// </param><exception cref="T:System.IndexOutOfRangeException">The index passed was outside the range of 0 through <see cref="P:System.Data.IDataRecord.FieldCount"/>.
/// </exception><filterpriority>2</filterpriority>
object IDataRecord.this[int i]
get { return _originalReader[i]; }
/// <summary>
/// Gets the column with the specified name.
/// </summary>
/// <returns>
/// The column with the specified name as an <see cref="T:System.Object"/>.
/// </returns>
/// <param name="name">The name of the column to find.
/// </param><exception cref="T:System.IndexOutOfRangeException">No column with the specified name was found.
/// </exception><filterpriority>2</filterpriority>
object IDataRecord.this[string name]
get { return _originalReader[name]; }
#endregion
#region Implementation of IDataReader
/// <summary>
/// Closes the <see cref="T:System.Data.IDataReader"/> Object.
/// </summary>
/// <filterpriority>2</filterpriority>
public void Close()
_originalReader.Close();
/// <summary>
/// Returns a <see cref="T:System.Data.DataTable"/> that describes the column metadata of the <see cref="T:System.Data.IDataReader"/>.
/// </summary>
/// <returns>
/// A <see cref="T:System.Data.DataTable"/> that describes the column metadata.
/// </returns>
/// <exception cref="T:System.InvalidOperationException">The <see cref="T:System.Data.IDataReader"/> is closed.
/// </exception><filterpriority>2</filterpriority>
public DataTable GetSchemaTable()
return _originalReader.GetSchemaTable();
/// <summary>
/// Gets a value indicating the depth of nesting for the current row.
/// </summary>
/// <returns>
/// The level of nesting.
/// </returns>
/// <filterpriority>2</filterpriority>
public int Depth
get { return _originalReader.Depth; }
/// <summary>
/// Gets a value indicating whether the data reader is closed.
/// </summary>
/// <returns>
/// true if the data reader is closed; otherwise, false.
/// </returns>
/// <filterpriority>2</filterpriority>
public bool IsClosed
get { return _originalReader.IsClosed; }
#endregion
/// <summary>
/// Advances the data reader to the next result, when reading the results of batch SQL statements.
/// </summary>
/// <returns>
/// true if there are more rows; otherwise, false.
/// </returns>
/// <filterpriority>2</filterpriority>
public bool NextResult()
throw new NotImplementedException();
/// <summary>
/// Advances the <see cref="T:System.Data.IDataReader"/> to the next record.
/// </summary>
/// <returns>
/// true if there are more rows; otherwise, false.
/// </returns>
/// <filterpriority>2</filterpriority>
public virtual bool Read()
if (_batchSize == (_currentSessionRows))
return false;
if(_originalReader.Read())
_currentSessionRows++;
_rowCount++;
return true;
return false;
/// <summary>
/// Gets the number of rows changed, inserted, or deleted by execution of the SQL statement.
/// </summary>
/// <returns>
/// The number of rows changed, inserted, or deleted; 0 if no rows were affected or the statement failed; and -1 for SELECT statements.
/// </returns>
/// <filterpriority>2</filterpriority>
public int RecordsAffected
get { throw new NotImplementedException(); }
public virtual bool ResetState()
bool result = _currentSessionRows != 0;
if (result && RowsCopied != null)
RowsCopied(this, _rowCount);
_currentSessionRows = 0;
return result;
public class VirtualSourceReader:SourceDataReaderWrap
private readonly int _totalRecordCount;
public VirtualSourceReader(IDataReader reader, int batchSize, int totalRecordCount)
:base(reader, batchSize)
_totalRecordCount = totalRecordCount;
public override bool Read()
if (_rowCount >= totalRecordCount || totalRecordCount <= 0)
return false;
if (_rowCount == 0)
return base.Read();
if (_batchSize == _currentSessionRows)
return false;
_currentSessionRows++;
_rowCount++;
return true;
*****************File::tmp.data**********

You have problem because the batch size property has value *10000* and amount of records(*50000*) bigger than this value.
You can retrieve workaround from my post (OracleBulkCopy have memory leak if BatchSize is less than record's count.

Report from SQL Query -Excel format only show the first page

Hi,
I have some Reports from SQL Query. In the display options, I choose Excel as default format. The Excel documents only show the first page. If I choose HTML as default format, it shows every rows.
Please advise on how to have a complete Excel document as HTML format does.
Thanks a lot.
Lina Han

I beleive when you export Oracle reports to Excel it is the Data that is transferred along with Column Names.
You cannot export the variables defined on the report.
Hence you will not be able to export the Footer to excel. (Still looking into it will let you know if i find anything interesting)
Regards,
Bhushan Salgar

SQL QUERY TO REMOVE ONE OF THE THE RESULT SET

Hello Everyone,
I need some advise on how to achieve the subject. My query is as follows:
select t2.post_date a, trunc(sysdate - (&num + 1))
from trans_hist t2
where t2.post_date >= trunc(sysdate - (&num + 1))
and 'xxxxxxxxxxxxxxx' in
(t2.reference_from_account_id, t2.reference_to_account_id)
and decode(t2.reference_from_account_id,
'xxxxxxxxxxxxxxx',
t2.from_account_balance,
t2.to_account_balance) = 150
order by t2.post_date
It will give me the following result:
4-JUN-2007
5-JUN-2007
6-JUN-2007
I will would to build my query so that it excludes the last row. My aim is to come up with something like the below:
select max(t2.post_date)
from trans_hist t2
where t2.post_date >= trunc(sysdate - (&num + 1))
and 'xxxxxxxxxxxxxxx' in
(t2.reference_from_account_id, t2.reference_to_account_id)
and decode(t2.reference_from_account_id,
'xxxxxxxxxxxxxxx',
t2.from_account_balance,
t2.to_account_balance) = 150
order by t2.post_date
Thank you for your help.
Randy

maybe something like:
SQL> with trans_hist as
2 (select to_date('4-JUN-2007','DD-MON-YYYY') post_date from dual union all
3   select to_date('5-JUN-2007','DD-MON-YYYY') post_date from dual union all
4   select to_date('6-JUN-2007','DD-MON-YYYY') post_date from dual)
5 select * from trans_hist;
POST_DATE
04-JUN-07
05-JUN-07
06-JUN-07
SQL> with trans_hist as
2 (select to_date('4-JUN-2007','DD-MON-YYYY') post_date from dual union all
3   select to_date('5-JUN-2007','DD-MON-YYYY') post_date from dual union all
4   select to_date('6-JUN-2007','DD-MON-YYYY') post_date from dual)
5 select transaction_history.post_date
6    from (select post_date,
7                 row_number() over (order by post_date desc) rn
8            from trans_hist) transaction_history
9   where transaction_history.rn > 1;
POST_DATE
05-JUN-07
04-JUN-07
SQL> in your code it will be something like:
select t3.a, t3.b
from (select t2.post_date a, trunc(sysdate - (&num + 1)) b,
               row_number() over (order by t2.post_date desc) rn
          from trans_hist t2
         where t2.post_date >= trunc(sysdate - (&num + 1))
           and 'xxxxxxxxxxxxxxx' in (t2.reference_from_account_id, t2.reference_to_account_id)
           and decode(t2.reference_from_account_id,'xxxxxxxxxxxxxxx',t2.from_account_balance,t2.to_account_balance) = 150) t3
where t3.rn > 1
order by t3.a

SQL Query report - how to evaluate the current sort column?

Hi,
I have a need to determine which column has been selected to sort the current report by. I need to pull this column name and pass it when a button is pressed so that the ensuing PDF report generated using PLPDF will be able to sort the data the same way.
thanks in advance.

Hi,
As i think, you need to create report manually using SQL query and for sorting you can put a drop down box and user can select a field name and shorting type that is ASC or DESC from another drop down and than generate a report, additionally you can have another button for exporting to PDF that you can now manage through PLPDF and you can get the shorting column.
hope this can help you.
Thanks,
Jaydip

SQL query to populate the records, the maximum processed should be less than 10 records per week.

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