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Applies to: 
SQL Server
Returns all SQL Server Express LocalDB versions available on the computer.
Header file: msoledbsql.h
Syntax
#define MAX_LOCALDB_VERSION_LENGTH 43typedef WCHAR TLocalDBVersion [ MAX_LOCALDB_VERSION_LENGTH + 1 ] ;
typedef TLocalDBVersion* PTLocalDBVersion;
HRESULT LocalDBGetVersions(
PTLocalDBVersion pVersion ,
LPDWORD lpdwNumberOfVersions);
Arguments
pVersionNames
[Output] Contains names of the LocalDB versions that are available on the user's workstation.
lpdwNumberOfVersions
[Input/Output] On input holds the number of slots for versions in the pVersionNames buffer.
On output, holds the number of existing LocalDB versions.
Returns
S_OK: The function succeeded.
| Error | Description |
|---|---|
| LOCALDB_ERROR_NOT_INSTALLED | SQL Server Express LocalDB isn't installed on the computer. |
| LOCALDB_ERROR_INVALID_PARAMETER | One or more specified input parameters are invalid. |
| LOCALDB_ERROR_INSUFFICIENT_BUFFER | The input buffer is too short, and truncation wasn't requested. |
| LOCALDB_ERROR_INTERNAL_ERROR | An unexpected error occurred. See the event log for details. |
Remarks
For a code sample that uses LocalDB API, see SQL Server Express LocalDB reference.