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This article contains information about the bugs that are fixed in Microsoft Data Access Components (MDAC) Service Pack 3 (SP3).
Service packs are cumulative. Therefore, each new service pack contains all the fixes that are included in previous service packs, and also includes any new fixes. You do not have to install a previous service pack before you install the latest service pack. For example, you do not have to install MDAC 2.5 Service Pack 1 (SP1) before you install MDAC 2.5 Service Pack 2 (SP2).
For additional information about how to obtain MDAC 2.5 service packs, click the following article number to view the article in the Microsoft Knowledge Base:
293312For additional information about what is fixed in MDAC service packs, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/293312/EN-US/ )INFO: How to Obtain the Latest MDAC 2.5 Service Pack
(https://support.microsoft.com/kb/293311/EN-US/ )INFO: List of Bugs Fixed in MDAC 2.5 Service Pack 2
Service Pack 3
(https://support.microsoft.com/kb/274265/EN-US/ )FIX: AV Marshaling the Same ADO Recordset on Multiple Threads
(https://support.microsoft.com/kb/274604/EN-US/ )MSDASQL Provider Improperly Handles Negatively Scaled SQL_NUMERIC_STRUCT Values
(https://support.microsoft.com/kb/277033/EN-US/ )FIX: SQL_BIGINT in 2.x ODBC Driver Is Mapped to SQL_C_SBIGINT 3.0 Datatype
(https://support.microsoft.com/kb/281633/EN-US/ )FIX: SQLOLEDB Provider Incorrectly Leaves Transaction Open
(https://support.microsoft.com/kb/282177/EN-US/ )FIX: ADO 2.5 Leaks Resources When Using Stream and Record Objects
(https://support.microsoft.com/kb/283106/EN-US/ )FIX: Aggregating ADO Recordsets or Commands May Cause Memory Leak
(https://support.microsoft.com/kb/283842/EN-US/ )FIX: IN and UNION Clauses Produce Incorrect Column Count
(https://support.microsoft.com/kb/292604/EN-US/ )BUG: Microsoft ODBC Driver for Oracle Is Not Successful on Client Cursor with Embedded Bracket
(https://support.microsoft.com/kb/298145/EN-US/ )FIX: REPAIR_DB Option May Remove Encryption from Access 2000 Database
(https://support.microsoft.com/kb/301679/EN-US/ )FIX: Access Violation in IDBProperties::GetProperties When You Use OLE DB Service Components
(https://support.microsoft.com/kb/302995/EN-US/ )FIX: Memory Leak in MDAC SQLOLEDB Provider on SERVERDATAONINSERT and Column Size That Is Larger Than 255
(https://support.microsoft.com/kb/312575/EN-US/ )FIX: Virtual Memory Leak with Large Number of Concurrently Open Recordsets