Bita na kayan aikin kyauta SQLIndexManager

Kamar yadda ka sani, fihirisa suna taka muhimmiyar rawa a cikin DBMS, suna ba da saurin bincike ga bayanan da ake buƙata. Shi ya sa yana da mahimmanci a yi musu hidima a kan lokaci. An rubuta abubuwa da yawa game da bincike da ingantawa, gami da kan Intanet. Misali, kwanan nan an sake duba wannan batu a ciki wannan littafin.

Akwai da yawa biya da kuma mafita ga wannan. Alal misali, akwai shirye-shirye yanke shawara, bisa hanyar inganta fihirisar daidaitawa.

Na gaba, bari mu dubi mai amfani kyauta Mai sarrafa SQLIndex, marubucin AlanDenton.

Babban bambance-bambancen fasaha tsakanin SQLIndexManager da adadin sauran analogues marubucin da kansa ya ba da shi a nan и a nan.

A cikin wannan labarin, za mu yi la'akari a waje game da aikin da kuma damar aiki na wannan maganin software.

Tattaunawa akan wannan amfanin a nan.
A tsawon lokaci, an gyara yawancin sharhi da kwari.

Don haka, bari yanzu mu matsa zuwa SQLIndexManager mai amfani kanta.

An rubuta aikace-aikacen a cikin C # .NET Framework 4.5 a cikin Visual Studio 2017 kuma yana amfani da DevExpress don fom:

kuma yayi kama da haka:

Ana samar da duk buƙatun a cikin fayiloli masu zuwa:

1. index
2. Tambaya
3. Injin tambaya
4. Bayanin Server

Lokacin haɗawa zuwa bayanan bayanai da aika tambayoyi zuwa DBMS, aikace-aikacen yana sanya hannu kamar haka:

ApplicationName=”SQLIndexManager”

Lokacin da kuka ƙaddamar da aikace-aikacen, taga modal zai buɗe don ƙara haɗi:

Anan, loda cikakken jerin duk misalan sabar SQL ta MS SQL da ake samu akan cibiyoyin sadarwar gida bai yi aiki ba tukuna.

Hakanan zaka iya ƙara haɗin haɗi ta amfani da maɓallin hagu akan babban menu:

Bayan haka, za a ƙaddamar da tambayoyin masu zuwa ga DBMS:

1. Samun bayanai game da DBMS

   SELECT ProductLevel  = SERVERPROPERTY('ProductLevel')
        , Edition       = SERVERPROPERTY('Edition')
        , ServerVersion = SERVERPROPERTY('ProductVersion')
        , IsSysAdmin    = CAST(IS_SRVROLEMEMBER('sysadmin') AS BIT)
   

2. Samun jerin samammun bayanan bayanai tare da taƙaitaccen kaddarorinsu

   SELECT DatabaseName = t.[name]
        , d.DataSize
        , DataUsedSize  = CAST(NULL AS BIGINT)
        , d.LogSize
        , LogUsedSize   = CAST(NULL AS BIGINT)
        , RecoveryModel = t.recovery_model_desc
        , LogReuseWait  = t.log_reuse_wait_desc
   FROM sys.databases t WITH(NOLOCK)
   LEFT JOIN (
       SELECT [database_id]
            , DataSize = SUM(CASE WHEN [type] = 0 THEN CAST(size AS BIGINT) END)
            , LogSize  = SUM(CASE WHEN [type] = 1 THEN CAST(size AS BIGINT) END)
       FROM sys.master_files WITH(NOLOCK)
       GROUP BY [database_id]
   ) d ON d.[database_id] = t.[database_id]
   WHERE t.[state] = 0
       AND t.[database_id] != 2
       AND ISNULL(HAS_DBACCESS(t.[name]), 1) = 1
   

Bayan aiwatar da rubutun da ke sama, taga zai bayyana mai ɗauke da taƙaitaccen bayani game da bayanan bayanan da aka zaɓa na MS SQL Server:

Yana da kyau a lura cewa an nuna ƙarin bayani bisa haƙƙoƙin. Idan akwai sysadmin, sannan zaku iya zaɓar bayanai daga gani sys.master_files. Idan babu irin waɗannan haƙƙoƙin, to ana mayar da bayanan kaɗan kawai don kar a rage buƙatar.

Anan kana buƙatar zaɓar bayanan bayanan abubuwan sha'awa kuma danna maɓallin "Ok".

Bayan haka, za a aiwatar da rubutun mai zuwa ga kowane zaɓaɓɓen bayanan da aka zaɓa don nazarin yanayin maƙasudin:

Binciken matsayi na fihirisa

declare @Fragmentation float=15;
declare @MinIndexSize bigint=768;
declare @MaxIndexSize bigint=1048576;
declare @PreDescribeSize bigint=32768;
SET NOCOUNT ON
SET ARITHABORT ON
SET NUMERIC_ROUNDABORT OFF
IF OBJECT_ID('tempdb.dbo.#AllocationUnits') IS NOT NULL
DROP TABLE #AllocationUnits
CREATE TABLE #AllocationUnits (
ContainerID   BIGINT PRIMARY KEY
, ReservedPages BIGINT NOT NULL
, UsedPages     BIGINT NOT NULL
)
INSERT INTO #AllocationUnits (ContainerID, ReservedPages, UsedPages)
SELECT [container_id]
, SUM([total_pages])
, SUM([used_pages])
FROM sys.allocation_units WITH(NOLOCK)
GROUP BY [container_id]
HAVING SUM([total_pages]) BETWEEN @MinIndexSize AND @MaxIndexSize
IF OBJECT_ID('tempdb.dbo.#ExcludeList') IS NOT NULL
DROP TABLE #ExcludeList
CREATE TABLE #ExcludeList (ID INT PRIMARY KEY)
INSERT INTO #ExcludeList
SELECT [object_id]
FROM sys.objects WITH(NOLOCK)
WHERE [type] IN ('V', 'U')
AND ( [is_ms_shipped] = 1 )
IF OBJECT_ID('tempdb.dbo.#Partitions') IS NOT NULL
DROP TABLE #Partitions
SELECT [object_id]
, [index_id]
, [partition_id]
, [partition_number]
, [rows]
, [data_compression]
INTO #Partitions
FROM sys.partitions WITH(NOLOCK)
WHERE [object_id] > 255
AND [rows] > 0
AND [object_id] NOT IN (SELECT * FROM #ExcludeList)
IF OBJECT_ID('tempdb.dbo.#Indexes') IS NOT NULL
DROP TABLE #Indexes
CREATE TABLE #Indexes (
ObjectID         INT NOT NULL
, IndexID          INT NOT NULL
, IndexName        SYSNAME NULL
, PagesCount       BIGINT NOT NULL
, UnusedPagesCount BIGINT NOT NULL
, PartitionNumber  INT NOT NULL
, RowsCount        BIGINT NOT NULL
, IndexType        TINYINT NOT NULL
, IsAllowPageLocks BIT NOT NULL
, DataSpaceID      INT NOT NULL
, DataCompression  TINYINT NOT NULL
, IsUnique         BIT NOT NULL
, IsPK             BIT NOT NULL
, FillFactorValue  INT NOT NULL
, IsFiltered       BIT NOT NULL
, PRIMARY KEY (ObjectID, IndexID, PartitionNumber)
)
INSERT INTO #Indexes
SELECT ObjectID         = i.[object_id]
, IndexID          = i.index_id
, IndexName        = i.[name]
, PagesCount       = a.ReservedPages
, UnusedPagesCount = CASE WHEN ABS(a.ReservedPages - a.UsedPages) > 32 THEN a.ReservedPages - a.UsedPages ELSE 0 END
, PartitionNumber  = p.[partition_number]
, RowsCount        = ISNULL(p.[rows], 0)
, IndexType        = i.[type]
, IsAllowPageLocks = i.[allow_page_locks]
, DataSpaceID      = i.[data_space_id]
, DataCompression  = p.[data_compression]
, IsUnique         = i.[is_unique]
, IsPK             = i.[is_primary_key]
, FillFactorValue  = i.[fill_factor]
, IsFiltered       = i.[has_filter]
FROM #AllocationUnits a
JOIN #Partitions p ON a.ContainerID = p.[partition_id]
JOIN sys.indexes i WITH(NOLOCK) ON i.[object_id] = p.[object_id] AND p.[index_id] = i.[index_id] 
WHERE i.[type] IN (0, 1, 2, 5, 6)
AND i.[object_id] > 255
DECLARE @files TABLE (ID INT PRIMARY KEY)
INSERT INTO @files
SELECT DISTINCT [data_space_id]
FROM sys.database_files WITH(NOLOCK)
WHERE [state] != 0
AND [type] = 0
IF @@ROWCOUNT > 0 BEGIN
DELETE FROM i
FROM #Indexes i
LEFT JOIN sys.destination_data_spaces dds WITH(NOLOCK) ON i.DataSpaceID = dds.[partition_scheme_id] AND i.PartitionNumber = dds.[destination_id]
WHERE ISNULL(dds.[data_space_id], i.DataSpaceID) IN (SELECT * FROM @files)
END
DECLARE @DBID   INT
, @DBNAME SYSNAME
SET @DBNAME = DB_NAME()
SELECT @DBID = [database_id]
FROM sys.databases WITH(NOLOCK)
WHERE [name] = @DBNAME
IF OBJECT_ID('tempdb.dbo.#Fragmentation') IS NOT NULL
DROP TABLE #Fragmentation
CREATE TABLE #Fragmentation (
ObjectID         INT NOT NULL
, IndexID          INT NOT NULL
, PartitionNumber  INT NOT NULL
, Fragmentation    FLOAT NOT NULL
, PRIMARY KEY (ObjectID, IndexID, PartitionNumber)
)
INSERT INTO #Fragmentation (ObjectID, IndexID, PartitionNumber, Fragmentation)
SELECT i.ObjectID
, i.IndexID
, i.PartitionNumber
, r.[avg_fragmentation_in_percent]
FROM #Indexes i
CROSS APPLY sys.dm_db_index_physical_stats(@DBID, i.ObjectID, i.IndexID, i.PartitionNumber, 'LIMITED') r
WHERE i.PagesCount <= @PreDescribeSize
AND r.[index_level] = 0
AND r.[alloc_unit_type_desc] = 'IN_ROW_DATA'
AND i.IndexType IN (0, 1, 2)
IF OBJECT_ID('tempdb.dbo.#Columns') IS NOT NULL
DROP TABLE #Columns
CREATE TABLE #Columns (
ObjectID     INT NOT NULL
, ColumnID     INT NOT NULL
, ColumnName   SYSNAME NULL
, SystemTypeID TINYINT NULL
, IsSparse     BIT
, IsColumnSet  BIT
, MaxLen       INT
, PRIMARY KEY (ObjectID, ColumnID)
)
INSERT INTO #Columns
SELECT ObjectID     = [object_id]
, ColumnID     = [column_id]
, ColumnName   = [name]
, SystemTypeID = [system_type_id]
, IsSparse     = [is_sparse]
, IsColumnSet  = [is_column_set]
, MaxLen       = [max_length]
FROM sys.columns WITH(NOLOCK)
WHERE [object_id] IN (SELECT DISTINCT i.ObjectID FROM #Indexes i)
IF OBJECT_ID('tempdb.dbo.#IndexColumns') IS NOT NULL
DROP TABLE #IndexColumns
CREATE TABLE #IndexColumns (
ObjectID   INT NOT NULL
, IndexID    INT NOT NULL
, OrderID    INT NOT NULL
, ColumnID   INT NOT NULL
, IsIncluded BIT NOT NULL
, PRIMARY KEY (ObjectID, IndexID, ColumnID)
)
INSERT INTO #IndexColumns
SELECT ObjectID   = [object_id]
, IndexID    = [index_id]
, OrderID    = CASE WHEN [is_included_column] = 0 THEN [key_ordinal] ELSE [index_column_id] END
, ColumnID   = [column_id]
, IsIncluded = ISNULL([is_included_column], 0)
FROM sys.index_columns ic WITH(NOLOCK)
WHERE EXISTS(
SELECT *
FROM #Indexes i
WHERE i.ObjectID = ic.[object_id]
AND i.IndexID = ic.[index_id]
AND i.IndexType IN (1, 2)
)
IF OBJECT_ID('tempdb.dbo.#Lob') IS NOT NULL
DROP TABLE #Lob
CREATE TABLE #Lob (
ObjectID    INT NOT NULL
, IndexID     INT NOT NULL
, IsLobLegacy BIT
, IsLob       BIT
, PRIMARY KEY (ObjectID, IndexID)
)
INSERT INTO #Lob (ObjectID, IndexID, IsLobLegacy, IsLob)
SELECT c.ObjectID
, IndexID     = ISNULL(i.IndexID, 1)
, IsLobLegacy = MAX(CASE WHEN c.SystemTypeID IN (34, 35, 99) THEN 1 END)
, IsLob       = 0
FROM #Columns c
LEFT JOIN #IndexColumns i ON c.ObjectID = i.ObjectID AND c.ColumnID = i.ColumnID
WHERE c.SystemTypeID IN (34, 35, 99)
GROUP BY c.ObjectID
, i.IndexID
IF OBJECT_ID('tempdb.dbo.#Sparse') IS NOT NULL
DROP TABLE #Sparse
CREATE TABLE #Sparse (ObjectID INT PRIMARY KEY)
INSERT INTO #Sparse
SELECT DISTINCT ObjectID
FROM #Columns
WHERE IsSparse = 1
OR IsColumnSet = 1
IF OBJECT_ID('tempdb.dbo.#AggColumns') IS NOT NULL
DROP TABLE #AggColumns
CREATE TABLE #AggColumns (
ObjectID        INT NOT NULL
, IndexID         INT NOT NULL
, IndexColumns    NVARCHAR(MAX)
, IncludedColumns NVARCHAR(MAX)
, PRIMARY KEY (ObjectID, IndexID)
)
INSERT INTO #AggColumns
SELECT t.ObjectID
, t.IndexID
, IndexColumns = STUFF((
SELECT ', [' + c.ColumnName + ']'
FROM #IndexColumns i
JOIN #Columns c ON i.ObjectID = c.ObjectID AND i.ColumnID = c.ColumnID
WHERE i.ObjectID = t.ObjectID
AND i.IndexID = t.IndexID
AND i.IsIncluded = 0
ORDER BY i.OrderID
FOR XML PATH(''), TYPE).value('(./text())[1]', 'NVARCHAR(MAX)'), 1, 2, '')
, IncludedColumns = STUFF((
SELECT ', [' + c.ColumnName + ']'
FROM #IndexColumns i
JOIN #Columns c ON i.ObjectID = c.ObjectID AND i.ColumnID = c.ColumnID
WHERE i.ObjectID = t.ObjectID
AND i.IndexID = t.IndexID
AND i.IsIncluded = 1
ORDER BY i.OrderID
FOR XML PATH(''), TYPE).value('(./text())[1]', 'NVARCHAR(MAX)'), 1, 2, '')
FROM (
SELECT DISTINCT ObjectID, IndexID
FROM #Indexes
WHERE IndexType IN (1, 2)
) t
SELECT i.ObjectID
, i.IndexID
, i.IndexName
, ObjectName       = o.[name]
, SchemaName       = s.[name]
, i.PagesCount
, i.UnusedPagesCount
, i.PartitionNumber
, i.RowsCount
, i.IndexType
, i.IsAllowPageLocks
, u.TotalWrites
, u.TotalReads
, u.TotalSeeks
, u.TotalScans
, u.TotalLookups
, u.LastUsage
, i.DataCompression
, f.Fragmentation
, IndexStats       = STATS_DATE(i.ObjectID, i.IndexID)
, IsLobLegacy      = ISNULL(lob.IsLobLegacy, 0)
, IsLob            = ISNULL(lob.IsLob, 0)
, IsSparse         = CAST(CASE WHEN p.ObjectID IS NULL THEN 0 ELSE 1 END AS BIT)
, IsPartitioned    = CAST(CASE WHEN dds.[data_space_id] IS NOT NULL THEN 1 ELSE 0 END AS BIT)
, FileGroupName    = fg.[name]
, i.IsUnique
, i.IsPK
, i.FillFactorValue
, i.IsFiltered
, a.IndexColumns
, a.IncludedColumns
FROM #Indexes i
JOIN sys.objects o WITH(NOLOCK) ON o.[object_id] = i.ObjectID
JOIN sys.schemas s WITH(NOLOCK) ON s.[schema_id] = o.[schema_id]
LEFT JOIN #AggColumns a ON a.ObjectID = i.ObjectID AND a.IndexID = i.IndexID
LEFT JOIN #Sparse p ON p.ObjectID = i.ObjectID
LEFT JOIN #Fragmentation f ON f.ObjectID = i.ObjectID AND f.IndexID = i.IndexID AND f.PartitionNumber = i.PartitionNumber
LEFT JOIN (
SELECT ObjectID      = [object_id]
, IndexID       = [index_id]
, TotalWrites   = NULLIF([user_updates], 0)
, TotalReads    = NULLIF([user_seeks] + [user_scans] + [user_lookups], 0)
, TotalSeeks    = NULLIF([user_seeks], 0)
, TotalScans    = NULLIF([user_scans], 0)
, TotalLookups  = NULLIF([user_lookups], 0)
, LastUsage     = (
SELECT MAX(dt)
FROM (
VALUES ([last_user_seek])
, ([last_user_scan])
, ([last_user_lookup])
, ([last_user_update])
) t(dt)
)
FROM sys.dm_db_index_usage_stats WITH(NOLOCK)
WHERE [database_id] = @DBID
) u ON i.ObjectID = u.ObjectID AND i.IndexID = u.IndexID
LEFT JOIN #Lob lob ON lob.ObjectID = i.ObjectID AND lob.IndexID = i.IndexID
LEFT JOIN sys.destination_data_spaces dds WITH(NOLOCK) ON i.DataSpaceID = dds.[partition_scheme_id] AND i.PartitionNumber = dds.[destination_id]
JOIN sys.filegroups fg WITH(NOLOCK) ON ISNULL(dds.[data_space_id], i.DataSpaceID) = fg.[data_space_id] 
WHERE o.[type] IN ('V', 'U')
AND (
f.Fragmentation >= @Fragmentation
OR
i.PagesCount > @PreDescribeSize
OR
i.IndexType IN (5, 6)
)

Kamar yadda ake iya gani daga tambayoyin kansu, ana amfani da tebur na wucin gadi sau da yawa. Ana yin haka ne don kada a sake sakewa, kuma a cikin yanayin babban tsari, ana iya samar da shirin a layi daya lokacin shigar da bayanai, tunda shigar da masu canjin tebur yana yiwuwa ne kawai a cikin zaren guda ɗaya.

Bayan aiwatar da rubutun da ke sama, taga mai tebur mai ma'ana zai bayyana:

Hakanan zaka iya nuna wasu cikakkun bayanai anan, kamar:

1. database
2. adadin sassan
3. kwanan wata da lokacin kiran ƙarshe
4. matsawa
5. rukunin fayil

i t. d.
Ana iya keɓance masu magana da kansu:

A cikin sel na ginshiƙin Gyara, zaku iya zaɓar abin da za a yi yayin ingantawa. Hakanan, lokacin da binciken ya ƙare, ana zaɓar aikin tsoho bisa ga saitunan da aka zaɓa:

Dole ne ku zaɓi fihirisar da ake so don sarrafawa.

Yin amfani da babban menu, zaku iya ajiye rubutun (maɓallin ɗaya yana fara aiwatar da haɓaka fihirisar kanta):

kuma ajiye tebur a cikin nau'i daban-daban (maɓallin ɗaya yana ba ku damar buɗe cikakken saiti don nazari da haɓaka fihirisa):

Hakanan zaka iya sabunta bayanin ta danna maɓallin na uku a gefen hagu a cikin babban menu kusa da gilashin ƙara girma.

Maɓallin tare da gilashin ƙarawa yana ba ka damar zaɓar bayanan bayanan da ake so don la'akari.

A halin yanzu babu cikakken tsarin taimako. Don haka, danna maɓallin "?" kawai zai haifar da taga modal don bayyana mai ɗauke da ainihin bayanai game da samfurin software:

Baya ga duk abin da aka bayyana a sama, babban menu yana da mashin bincike:

Lokacin fara aikin inganta fihirisar:

Hakanan zaka iya duba log na ayyukan da aka yi a ƙasan taga:

A cikin dalla-dalla taga saituna don nazarin fihirisa da haɓakawa, zaku iya saita ƙarin zaɓuɓɓukan dabara:

Buƙatun aikace-aikacen:

1. ba da damar sabunta ƙididdiga ta zaɓi ba kawai don fihirisa ba har ma ta hanyoyi daban-daban (cikakkun sabuntawa ko wani bangare)
2. sa shi yiwuwa ba kawai don zaɓar wani database, amma kuma daban-daban sabobin (wannan ya dace sosai lokacin da akwai lokuta da yawa na MS SQL Server)
3. Don ƙarin sassauci a amfani, ana ba da shawarar kunsa umarni a cikin ɗakunan karatu da fitar da su zuwa umarnin PowerShell, kamar yadda ake yi, misali, anan:
4. dbatools.io/commands
5. ba da damar adanawa da canza saitunan sirri duka duka aikace-aikacen kuma, idan ya cancanta, ga kowane misalin MS SQL Server da kowane bayanan bayanai.
6. Daga maki 2 da 4, ya biyo baya cewa kuna son ƙirƙirar ƙungiyoyi ta bayanan bayanai da ƙungiyoyi ta misalin MS SQL Server, waɗanda saitunan iri ɗaya ne.
7. nemo kwafin fihirisa (cikakku kuma ba su cika ba, waɗanda ko dai sun ɗan bambanta ko sun bambanta kawai a cikin ginshiƙan da aka haɗa)
8. Tun da SQLIndexManager ana amfani da shi kawai don MS SQL Server DBMS, ya zama dole a nuna wannan a cikin sunan, misali, kamar haka: SQLIndexManager don MS SQL Server.
9. Matsar da duk sassan da ba GUI ba na aikace-aikacen zuwa sassa daban-daban kuma sake rubuta su a cikin NET Core 2.1

A lokacin rubutawa, ana haɓaka abu na 6 na buƙatun kuma an riga an sami tallafi ta hanyar neman cikakkun kwafi iri ɗaya:

Sources

• Hanyar inganta fihirisar daidaitawa
• SQLIndexManager mai amfani
• taƙaitaccen bayanin fasaha na mai amfani SQLIndexManager
• tattaunawa akan amfanin SQLIndexManager
• Manajan Fihirisar SQL - Kayan aikin GUI na Kyauta don Kula da Index akan SQL Server da Azure
• Binciken Index na SQL Server da Ingantawa

source: www.habr.com