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主页 / user-42351

mounaim's questions

Martin Hope
mounaim
Asked: 2019-04-17 07:39:56 +0800 CST

为什么我收到此请求的错误“在预期条件的上下文中指定的非布尔类型”?

  • 6

我收到此错误:
"Error 102 : non-boolean type specified in a context where a condition is expected"
对于此请求:

DECLARE @num_dossiers TABLE (num_dossier INT,indice NVARCHAR(3))
insert into @num_dossiers
select num_dossier,indice from dossier where num_sec=57

delete from constitue where (num_dossier,indice) in select (num_dossier,indice) from @num_dossiers  

触发错误的请求是最后一个:

delete from constitue where (num_dossier,indice) in select (num_dossier,indice) from @num_dossiers   

这个错误的原因可能是什么?

sql-server sql-server-2008
  • 1 个回答
  • 21809 Views
Martin Hope
mounaim
Asked: 2016-11-12 08:13:53 +0800 CST

错误 468 MS SQL Server:枚举出版物时无法解决 Arabic_CI_AI 和 Arabic_CI_AS 之间的排序规则冲突

  • 2

当我尝试在 SQ Server Management Studio 中的 Replication 元素下展开本地发布列表时,我收到以下错误:

在此处输入图像描述

这是详细的错误日志:

===================================
    
    Échec de la récupération de données pour cette demande. (Microsoft.SqlServer.Management.Sdk.Sfc)
    
    ------------------------------
    Pour obtenir de l'aide, cliquez sur : http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&LinkId=20476
    
    ------------------------------
    Emplacement du programme :
    
       à Microsoft.SqlServer.Management.Sdk.Sfc.Enumerator.Process(Object connectionInfo, Request request)
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.NavigableItemBuilder.NavigableItemBuilderDataReader.RunQuery()
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.NavigableItemBuilder.NavigableItemBuilderDataReader.Process()
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.NavigableItemBuilder.NavigableItemBuilderDataReader.get_PropertyNames()
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.NavigableItemBuilder.BuildDynamicItemWithQuery(IList`1 nodes, INodeInformation source, INavigableItem sourceItem, String urnQuery, Boolean registerBuilder, Boolean registerBuiltItems)
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.NavigableItemBuilder.BuildDynamicItem(IList`1 nodes, INodeInformation source, INavigableItem sourceItem, IFilterProvider filter)
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.NavigableItemBuilder.Build(IList`1 nodes, INodeInformation source, INavigableItem sourceItem, IFilterProvider filter)
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.NavigableItem.RequestChildren(IGetChildrenRequest request)
       à Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.ExplorerHierarchyNode.BuildChildren(WaitHandle quitEvent)
    
    ===================================
    
    Une exception s'est produite lors de l'exécution d'une instruction ou d'un lot Transact-SQL. (Microsoft.SqlServer.ConnectionInfo)
    
    ------------------------------
    Emplacement du programme :
    
       à Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteNonQuery(String sqlCommand, ExecutionTypes executionType)
       à Microsoft.SqlServer.Management.Smo.ExecuteSql.ExecuteImmediate(String query)
       à Microsoft.SqlServer.Management.Smo.ExecuteSql.GetDataProvider(StringCollection query, Object con, StatementBuilder sb, RetriveMode rm)
       à Microsoft.SqlServer.Management.Smo.SqlObjectBase.FillData(ResultType resultType, StringCollection sql, Object connectionInfo, StatementBuilder sb)
       à Microsoft.SqlServer.Management.Smo.SqlObjectBase.FillDataWithUseFailure(SqlEnumResult sqlresult, ResultType resultType)
       à Microsoft.SqlServer.Management.Smo.SqlObjectBase.BuildResult(EnumResult result)
       à Microsoft.SqlServer.Management.Smo.Replication.Publication.GetData(EnumResult erParent)
       à Microsoft.SqlServer.Management.Sdk.Sfc.Environment.GetData()
       à Microsoft.SqlServer.Management.Sdk.Sfc.Environment.GetData(Request req, Object ci)
       à Microsoft.SqlServer.Management.Sdk.Sfc.Enumerator.GetData(Object connectionInfo, Request request)
       à Microsoft.SqlServer.Management.Sdk.Sfc.Enumerator.Process(Object connectionInfo, Request request)
    
    ===================================
    
    Impossible de résoudre le conflit de classement entre "Arabic_CI_AI" et "Arabic_CI_AS" dans l'opération equal to. (.Net SqlClient Data Provider)
    
    ------------------------------
    Pour obtenir de l'aide, cliquez sur : http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&ProdVer=10.50.4042&EvtSrc=MSSQLServer&EvtID=468&LinkId=20476
    
    ------------------------------
    Nom du serveur : my-server
    Numéro de l'erreur : 468
    Gravité : 16
    État : 9
    Procédure : sp_MSrepl_enumpublications
    Numéro de la ligne : 213
    
    
    ------------------------------
    Emplacement du programme :
    
       à Microsoft.SqlServer.Management.Common.ConnectionManager.ExecuteTSql(ExecuteTSqlAction action, Object execObject, DataSet fillDataSet, Boolean catchException)
       à Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteNonQuery(String sqlCommand, ExecutionTypes executionType)

您可能已经注意到,错误日志指向 sys 存储过程sp_MSrepl_enumpublications,其中包含以下代码:

USE [master]
GO
/****** Object:  StoredProcedure [sys].[sp_MSrepl_enumpublications]    Script Date: 11/11/2016 15:13:26 ******/
SET ANSI_NULLS OFF
GO
SET QUOTED_IDENTIFIER OFF
GO

--
-- Name:
--  sp_MSrepl_enumpublications
--
-- Description:
--  Enumerate publications on a database
--
-- Returns:
--      0 == Failed
--      1 == Succeed
--
-- Security:
--  public, PAL access for tran publications, dbo check for merge publications
--  Requires Certificate signature for catalog access
--
-- Notes:
--  Used by the UI to generate a list of pubications
--
--  Publication type:
--      0 == TRAN
--      1 == SNAPSHOT
--      2 == MERGE
--
ALTER PROCEDURE [sys].[sp_MSrepl_enumpublications]
(
    @reserved bit = 0   -- Set to 1 when used by UI
)
AS
BEGIN
    SET NOCOUNT ON
    DECLARE @retcode int
                ,@pubid int
                ,@pubname sysname
                ,@username sysname
                ,@OPT_ENABLED_FOR_P2P int
                ,@category int
                ,@skippalcheck bit
                ,@dbname sysname
                ,@fpublished bit
                ,@OPT_ENABLED_FOR_P2PCONFLICTDETECTION int

    --
    -- initialize
    --
    select @dbname = db_name()
            ,@OPT_ENABLED_FOR_P2P = 0x1
            ,@username = SUSER_SNAME()
            ,@fpublished = 0
            ,@OPT_ENABLED_FOR_P2PCONFLICTDETECTION = 0x08
    --
    -- Verify database is published
    -- Have put the code from fn_MSrepl_ispublished inline for faster processing
    -- If fn_MSrepl_ispublished() is updated - this code block should be updated as well
    --
    SELECT @category = category
    FROM master.sys.sysdatabases
    WHERE name = @dbname 

    IF (@category IS NOT NULL)
    BEGIN
        -- We have entry for this db_name in sysdatabases
        -- Is this database a distributor?
        IF (@category & 16 = 16)
        BEGIN
            -- DB is a distributor - is it used for HREPL publisher?
            IF OBJECT_ID(N'msdb.dbo.MSdistpublishers') IS NOT NULL
            BEGIN
                IF EXISTS
                (
                    SELECT name
                    FROM msdb.dbo.MSdistpublishers
                    WHERE distribution_db = @dbname 
                        AND publisher_type != N'MSSQLSERVER'
                )
                BEGIN
                    SELECT @fpublished = 1
                END
            END
        END
        ELSE
        BEGIN
            -- Check if this database is a transactional or merge publisher
            IF (@category & 1 = 1 OR @category & 4 = 4)
            BEGIN
                SELECT @fpublished = 1
            END
        END
    END -- @category not null
    --
    -- If the database is not published - return
    --
    IF (@fpublished = 0) 
    BEGIN
        RETURN (0)
    END
    --
    -- Security Check.
    -- Skip PAL check if DBO 
    -- For PAL check - Part of the query to gather the list of publications uses security context
    --
    select @skippalcheck = case when (is_member ('db_owner') = 1 OR is_srvrolemember('sysadmin') = 1) then 1 else 0 end
    if (@skippalcheck = 0)
    begin
        DECLARE @accessiblepubs TABLE
        (
            pubid   int
        )
    end
    --
    -- Create local temp table if needed
    --
    if (@reserved = 0)
    begin
        create TABLE #tmp_publications
        (
            publisher sysname not null, 
            dbname sysname not null, 
            publication sysname not null, 
            publisher_type sysname not null, 
            publication_type int not null,
            description nvarchar(255) null,
            allow_queued bit default 0 NOT NULL,
            enabled_for_p2p bit default 0 NOT NULL,
            enabled_for_p2pconflictdetection bit default 0 NOT NULL
        )
    end
    --
    -- Get snapshot or transactional publications
    --
    IF object_id(N'dbo.syspublications') IS NOT NULL
    BEGIN
        if (@skippalcheck = 0)
        begin
            -- Catalog accessible pub ids
            DECLARE #hC CURSOR LOCAL FAST_FORWARD FOR 
            SELECT pubid, name
            FROM dbo.syspublications

            OPEN #hC
            FETCH #hC INTO @pubid, @pubname
            WHILE (@@fetch_status <> -1)
            BEGIN
                EXEC @retcode = sys.sp_MSreplcheck_pull @publication = @pubname,
                                                @raise_fatal_error = 0,
                                                @given_login = @username
                IF (@retcode = 0 AND @@error = 0)
                BEGIN
                    INSERT INTO @accessiblepubs values(@pubid)
                END

                FETCH #hC INTO @pubid, @pubname
            END
            CLOSE #hC
            DEALLOCATE #hC
        end -- if (@skippalcheck = 0)
        --
        -- Determine if distribution db is being cataloged
        --
        IF (@category & 16 != 16)
        BEGIN
            -- SQL Server publication db
            INSERT INTO #tmp_publications
            (
                publisher,
                dbname,
                publication,
                publisher_type,
                publication_type,
                description,
                allow_queued,
                enabled_for_p2p,
                enabled_for_p2pconflictdetection
            )
            SELECT publishingservername(),
                        @dbname,
                        name,
                        N'MSSQLSERVER',
                        repl_freq,
                        description,
                        allow_queued_tran,
                        (options & @OPT_ENABLED_FOR_P2P),
                        (options & @OPT_ENABLED_FOR_P2PCONFLICTDETECTION)
            FROM dbo.syspublications
            WHERE @skippalcheck = 1 
                OR (pubid IN (SELECT pubid FROM @accessiblepubs))
        END
        ELSE
        BEGIN
            -- Distribution db - Heterogeneous publications
            INSERT INTO #tmp_publications
            (
                publisher,
                dbname,
                publication,
                publisher_type,
                publication_type,
                description,
                allow_queued,
                enabled_for_p2p
            )
            SELECT ss.srvname,
                        @dbname, -- distribution db name for enumerator to work
                        sp.name,
                        msd.publisher_type,
                        sp.repl_freq,
                        sp.description,
                        sp.allow_queued_tran,
                        (sp.options & @OPT_ENABLED_FOR_P2P)
            FROM dbo.syspublications sp
                join dbo.MSpublications msp on sp.pubid = msp.publication_id
                join master.dbo.sysservers ss on msp.publisher_id = ss.srvid
                join msdb.dbo.MSdistpublishers msd on msd.name = ss.srvname
            WHERE @skippalcheck = 1 
                OR (pubid IN (SELECT pubid FROM @accessiblepubs))
        END
    END -- IF object_id(N'dbo.syspublications') IS NOT NULL
    --
    -- Get merge publications
    --
    IF object_id(N'dbo.sysmergepublications') IS NOT NULL
    BEGIN
        INSERT INTO #tmp_publications
        (
            publisher,
            dbname,
            publication,
            publisher_type,
            publication_type,
            description
        )
        SELECT publisher,
                    publisher_db,
                    name,
                    N'MSSQLSERVER',
                    2,
                    description
        FROM dbo.sysmergepublications
        WHERE (@skippalcheck = 1 OR {fn ISPALUSER(pubid)} = 1)
            and   publisher_db = @dbname 
            and   UPPER(publisher) = UPPER(publishingservername())
    END -- object_id(N'dbo.sysmergepublications') IS NOT NULL
    --
    -- Return result set if we created local table
    --
    if (@reserved = 0)
    begin
        SELECT *
        FROM #tmp_publications
        ORDER BY publisher, dbname, publication
    end
    --
    -- all done
    --
    RETURN (0)
END

错误日志指向第 213 行,包含在过程中的以下查询中:

BEGIN
            -- Distribution db - Heterogeneous publications
            INSERT INTO #tmp_publications
            (
                publisher,
                dbname,
                publication,
                publisher_type,
                publication_type,
                description,
                allow_queued,
                enabled_for_p2p
            )
            SELECT ss.srvname,
                        @dbname, -- distribution db name for enumerator to work
                        sp.name,
                        msd.publisher_type,
                        sp.repl_freq,
                        sp.description,
                        sp.allow_queued_tran,
                        (sp.options & @OPT_ENABLED_FOR_P2P)
            FROM dbo.syspublications sp
                join dbo.MSpublications msp on sp.pubid = msp.publication_id
                join master.dbo.sysservers ss on msp.publisher_id = ss.srvid
                join msdb.dbo.MSdistpublishers msd on msd.name = ss.srvname
            WHERE @skippalcheck = 1 
                OR (pubid IN (SELECT pubid FROM @accessiblepubs))
        END

我找不到负责此排序规则冲突的查询部分,主数据库排序规则是Arabic_CI_AI;我无法单独重现此查询的结果以确切了解导致错误的原因。
我该如何解决这个问题?

sql-server sql-server-2012
  • 1 个回答
  • 5644 Views
Martin Hope
mounaim
Asked: 2015-02-13 07:35:45 +0800 CST

运行一些脚本生成的 SQL 请求

  • 0

我正在使用此脚本从我的数据库中的所有表中删除数据。它以正确的顺序生成DELETE语句,每个请求在一行中:

DECLARE @schema_name sysname;

DECLARE @table_name sysname;

DECLARE @constraint_name sysname;

DECLARE @constraint_object_id int;

DECLARE @referenced_object_name sysname;

DECLARE @is_disabled bit;

DECLARE @is_not_for_replication bit;

DECLARE @is_not_trusted bit;

DECLARE @delete_referential_action tinyint;

DECLARE @update_referential_action tinyint;

DECLARE @tsql nvarchar(4000);

DECLARE @tsql2 nvarchar(4000);

DECLARE @fkCol sysname;

DECLARE @pkCol sysname;

DECLARE @col1 bit;

DECLARE @action char(6) = 'DROP';  

DECLARE @referenced_schema_name sysname;



DECLARE FKcursor CURSOR FOR

     select OBJECT_SCHEMA_NAME(parent_object_id)

         , OBJECT_NAME(parent_object_id), name, OBJECT_NAME(referenced_object_id)

         , object_id

         , is_disabled, is_not_for_replication, is_not_trusted

         , delete_referential_action, update_referential_action, OBJECT_SCHEMA_NAME(referenced_object_id)

    from sys.foreign_keys

    order by 1,2;

OPEN FKcursor;

FETCH NEXT FROM FKcursor INTO @schema_name, @table_name, @constraint_name

    , @referenced_object_name, @constraint_object_id

    , @is_disabled, @is_not_for_replication, @is_not_trusted

    , @delete_referential_action, @update_referential_action, @referenced_schema_name;

WHILE @@FETCH_STATUS = 0

BEGIN



      IF @action <> 'CREATE'

        SET @tsql = 'ALTER TABLE '

                  + QUOTENAME(@schema_name) + '.' + QUOTENAME(@table_name)

                  + ' DROP CONSTRAINT ' + QUOTENAME(@constraint_name) + ';';

    ELSE

        BEGIN

        SET @tsql = 'ALTER TABLE '

                  + QUOTENAME(@schema_name) + '.' + QUOTENAME(@table_name)

                  + CASE @is_not_trusted

                        WHEN 0 THEN ' WITH CHECK '

                        ELSE ' WITH NOCHECK '

                    END

                  + ' ADD CONSTRAINT ' + QUOTENAME(@constraint_name)

                  + ' FOREIGN KEY (';

        SET @tsql2 = '';

        DECLARE ColumnCursor CURSOR FOR

            select COL_NAME(fk.parent_object_id, fkc.parent_column_id)

                 , COL_NAME(fk.referenced_object_id, fkc.referenced_column_id)

            from sys.foreign_keys fk

            inner join sys.foreign_key_columns fkc

            on fk.object_id = fkc.constraint_object_id

            where fkc.constraint_object_id = @constraint_object_id

            order by fkc.constraint_column_id;

        OPEN ColumnCursor;

        SET @col1 = 1;

        FETCH NEXT FROM ColumnCursor INTO @fkCol, @pkCol;

        WHILE @@FETCH_STATUS = 0

        BEGIN

            IF (@col1 = 1)

                SET @col1 = 0;

            ELSE

            BEGIN

                SET @tsql = @tsql + ',';

                SET @tsql2 = @tsql2 + ',';

            END;

            SET @tsql = @tsql + QUOTENAME(@fkCol);

            SET @tsql2 = @tsql2 + QUOTENAME(@pkCol);

            FETCH NEXT FROM ColumnCursor INTO @fkCol, @pkCol;

        END;

        CLOSE ColumnCursor;

        DEALLOCATE ColumnCursor;

       SET @tsql = @tsql + ' ) REFERENCES ' + QUOTENAME(@referenced_schema_name) + '.' + QUOTENAME(@referenced_object_name)

                  + ' (' + @tsql2 + ')';

        SET @tsql = @tsql

                  + ' ON UPDATE ' + CASE @update_referential_action

                                        WHEN 0 THEN 'NO ACTION '

                                        WHEN 1 THEN 'CASCADE '

                                        WHEN 2 THEN 'SET NULL '

                                        ELSE 'SET DEFAULT '

                                    END

                  + ' ON DELETE ' + CASE @delete_referential_action

                                        WHEN 0 THEN 'NO ACTION '

                                        WHEN 1 THEN 'CASCADE '

                                        WHEN 2 THEN 'SET NULL '

                                        ELSE 'SET DEFAULT '

                                    END

                  + CASE @is_not_for_replication

                        WHEN 1 THEN ' NOT FOR REPLICATION '

                        ELSE ''

                    END

                  + ';';

        END;

    PRINT @tsql;

    IF @action = 'CREATE'

        BEGIN

        SET @tsql = 'ALTER TABLE '

                  + QUOTENAME(@schema_name) + '.' + QUOTENAME(@table_name)

                  + CASE @is_disabled

                        WHEN 0 THEN ' CHECK '

                        ELSE ' NOCHECK '

                    END

                  + 'CONSTRAINT ' + QUOTENAME(@constraint_name)

                  + ';';

        PRINT @tsql;

        END;

    FETCH NEXT FROM FKcursor INTO @schema_name, @table_name, @constraint_name

        , @referenced_object_name, @constraint_object_id

        , @is_disabled, @is_not_for_replication, @is_not_trusted

        , @delete_referential_action, @update_referential_action, @referenced_schema_name;

END;

CLOSE FKcursor;

DEALLOCATE FKcursor;  

在我复制这些语句并运行它们之后。
无论如何要生成这些语句并一步执行它们?

sql-server-2008 delete
  • 1 个回答
  • 60 Views
Martin Hope
mounaim
Asked: 2014-12-06 06:21:22 +0800 CST

级联主键更新到所有引用外键

  • 15

是否可以通过在引用它的所有外键之间级联更新来更新主键列值?

# 编辑 1: 当我运行 followinq 查询时

select * from sys.foreign_keys where referenced_object_id=OBJECT_ID('myTable') 

,我看到 update_referential_action 设置为 0。因此更新我的主键列后不采取任何行动。如何更新外键以使其ON CASCADE UPDATE?

# 编辑 2:
为了编写脚本创建或删除架构中的所有外键,请运行以下脚本(取自此处)

DECLARE @schema_name sysname;

DECLARE @table_name sysname;

DECLARE @constraint_name sysname;

DECLARE @constraint_object_id int;

DECLARE @referenced_object_name sysname;

DECLARE @is_disabled bit;

DECLARE @is_not_for_replication bit;

DECLARE @is_not_trusted bit;

DECLARE @delete_referential_action tinyint;

DECLARE @update_referential_action tinyint;

DECLARE @tsql nvarchar(4000);

DECLARE @tsql2 nvarchar(4000);

DECLARE @fkCol sysname;

DECLARE @pkCol sysname;

DECLARE @col1 bit;

DECLARE @action char(6);  

DECLARE @referenced_schema_name sysname;



DECLARE FKcursor CURSOR FOR

     select OBJECT_SCHEMA_NAME(parent_object_id)

         , OBJECT_NAME(parent_object_id), name, OBJECT_NAME(referenced_object_id)

         , object_id

         , is_disabled, is_not_for_replication, is_not_trusted

         , delete_referential_action, update_referential_action, OBJECT_SCHEMA_NAME(referenced_object_id)

    from sys.foreign_keys

    order by 1,2;

OPEN FKcursor;

FETCH NEXT FROM FKcursor INTO @schema_name, @table_name, @constraint_name

    , @referenced_object_name, @constraint_object_id

    , @is_disabled, @is_not_for_replication, @is_not_trusted

    , @delete_referential_action, @update_referential_action, @referenced_schema_name;

WHILE @@FETCH_STATUS = 0

BEGIN



      IF @action <> 'CREATE'

        SET @tsql = 'ALTER TABLE '

                  + QUOTENAME(@schema_name) + '.' + QUOTENAME(@table_name)

                  + ' DROP CONSTRAINT ' + QUOTENAME(@constraint_name) + ';';

    ELSE

        BEGIN

        SET @tsql = 'ALTER TABLE '

                  + QUOTENAME(@schema_name) + '.' + QUOTENAME(@table_name)

                  + CASE @is_not_trusted

                        WHEN 0 THEN ' WITH CHECK '

                        ELSE ' WITH NOCHECK '

                    END

                  + ' ADD CONSTRAINT ' + QUOTENAME(@constraint_name)

                  + ' FOREIGN KEY (';

        SET @tsql2 = '';

        DECLARE ColumnCursor CURSOR FOR

            select COL_NAME(fk.parent_object_id, fkc.parent_column_id)

                 , COL_NAME(fk.referenced_object_id, fkc.referenced_column_id)

            from sys.foreign_keys fk

            inner join sys.foreign_key_columns fkc

            on fk.object_id = fkc.constraint_object_id

            where fkc.constraint_object_id = @constraint_object_id

            order by fkc.constraint_column_id;

        OPEN ColumnCursor;

        SET @col1 = 1;

        FETCH NEXT FROM ColumnCursor INTO @fkCol, @pkCol;

        WHILE @@FETCH_STATUS = 0

        BEGIN

            IF (@col1 = 1)

                SET @col1 = 0;

            ELSE

            BEGIN

                SET @tsql = @tsql + ',';

                SET @tsql2 = @tsql2 + ',';

            END;

            SET @tsql = @tsql + QUOTENAME(@fkCol);

            SET @tsql2 = @tsql2 + QUOTENAME(@pkCol);

            FETCH NEXT FROM ColumnCursor INTO @fkCol, @pkCol;

        END;

        CLOSE ColumnCursor;

        DEALLOCATE ColumnCursor;

       SET @tsql = @tsql + ' ) REFERENCES ' + QUOTENAME(@referenced_schema_name) + '.' + QUOTENAME(@referenced_object_name)

                  + ' (' + @tsql2 + ')';

        SET @tsql = @tsql

                  + ' ON UPDATE ' + CASE @update_referential_action

                                        WHEN 0 THEN 'NO ACTION '

                                        WHEN 1 THEN 'CASCADE '

                                        WHEN 2 THEN 'SET NULL '

                                        ELSE 'SET DEFAULT '

                                    END

                  + ' ON DELETE ' + CASE @delete_referential_action

                                        WHEN 0 THEN 'NO ACTION '

                                        WHEN 1 THEN 'CASCADE '

                                        WHEN 2 THEN 'SET NULL '

                                        ELSE 'SET DEFAULT '

                                    END

                  + CASE @is_not_for_replication

                        WHEN 1 THEN ' NOT FOR REPLICATION '

                        ELSE ''

                    END

                  + ';';

        END;

    PRINT @tsql;

    IF @action = 'CREATE'

        BEGIN

        SET @tsql = 'ALTER TABLE '

                  + QUOTENAME(@schema_name) + '.' + QUOTENAME(@table_name)

                  + CASE @is_disabled

                        WHEN 0 THEN ' CHECK '

                        ELSE ' NOCHECK '

                    END

                  + 'CONSTRAINT ' + QUOTENAME(@constraint_name)

                  + ';';

        PRINT @tsql;

        END;

    FETCH NEXT FROM FKcursor INTO @schema_name, @table_name, @constraint_name

        , @referenced_object_name, @constraint_object_id

        , @is_disabled, @is_not_for_replication, @is_not_trusted

        , @delete_referential_action, @update_referential_action, @referenced_schema_name;

END;

CLOSE FKcursor;

DEALLOCATE FKcursor;  

要生成 DROP 外键脚本,请将声明子句中的 @action 值修改为等于“DROP”:

DECLARE @action char(6) = 'DROP';
sql-server sql-server-2008
  • 3 个回答
  • 67204 Views
Martin Hope
mounaim
Asked: 2014-10-29 06:29:27 +0800 CST

唯一列是否可以包含多个空值 SQL Server 2008 [重复]

  • 2
这个问题在这里已经有了答案:
为什么一个 UNIQUE 约束只允许一个 NULL? (5 个回答)
7年前关闭。

我想将 Oracle 表 A 中包含的数据迁移到 SQL Server。表 A 包含具有唯一约束但有多个空值的列CIN 。问题是 SQL Server 拒绝数据。有什么解决方法吗?

sql-server sql-server-2008
  • 1 个回答
  • 1639 Views
Martin Hope
mounaim
Asked: 2014-09-13 04:51:08 +0800 CST

dba_tables 中的 num_rows 不反映表 Oracle 9i 中的实际行数

  • 2

我正在查询dba_tables以使用以下 sql 请求获取表列表及其行数:

select * from dba_tables where owner='dbSID';

但我注意到,即使对于一些非空表,NUM_ROWS列也会返回空值。

有人可以解释一下这种奇怪的行为dba_tables吗?

oracle-9i
  • 1 个回答
  • 9789 Views
Martin Hope
mounaim
Asked: 2014-09-09 02:33:13 +0800 CST

导出和导入数据库 SQL Server 2008 中架构对象的所有权限

  • 0

是否可以在 .sql 文件中导出数据库中的所有用户角色及其对模式对象的权限,然后在其他数据库中导入它们?

sql-server-2008
  • 1 个回答
  • 1869 Views
Martin Hope
mounaim
Asked: 2014-09-05 03:26:48 +0800 CST

查找列是否属于用户表

  • 2

我想计算数据库中非空约束的列数。所以我想查询表sys.all_columns:
select * from sys.all_columns

问题是它为我提供了我不需要的额外信息(系统定义表中的列)。

所以我必须添加一些SQL 代码来确定某些列是否属于用户定义表。最好的方法是什么?

sql-server sql-server-2008
  • 1 个回答
  • 1301 Views
Martin Hope
mounaim
Asked: 2014-09-05 01:53:00 +0800 CST

相当于 SQL Server 2008 中的 oracle sql 管理查询

  • 0

我是 SQL Server 管理的新手,我想获得与此 Oracle 9i 管理查询等效的内容:

select object_type,count(*) as number
from all_objects 
where owner='ownerSID'
group by object_type;

任何帮助将不胜感激 :)

sql-server-2008 oracle-9i
  • 1 个回答
  • 157 Views
Martin Hope
mounaim
Asked: 2014-08-07 03:59:04 +0800 CST

主键和外键的大小

  • 2

主键和引用它的外键在 sql server 2008 中是否必须具有相同的列大小?有人可以告诉我一个解释这个文档的链接吗?

谢谢你的帮助。

sql-server-2008 foreign-key
  • 1 个回答
  • 4394 Views
Martin Hope
mounaim
Asked: 2014-07-19 03:10:19 +0800 CST

ORA-00933: SQL 命令未正确结束

  • 1

我创建了一个指向远程数据库 MIGRERDOSSIER.US.ORACLE.COM 的数据库链接,然后我使用它在本地数据库的表中插入记录。这是我要执行的请求:

insert into 
    Dossier(num_dossier,indice,code_service,num_secteur,date_depot,type_dossier,SUP_DECL_ARE,SUP_DECL_CE,SUP_DECL_HE,SUP_DEF_ARE,SUP_DEF_CE,SUP_DEF_HE)
    select s.num_dossier,s.indice,s.code_service,s.num_secteur,s.date_depot,s.cod_sous_typ,s.SUP_DECL_ARE,s.SUP_DECL_CA,s.SUP_DECL_HE,s.SUP_DEF_ARE,s.SUP_DEF_CA,s.SUP_DEF_HA
    from MIGRERDOSSIER.US.ORACLE.COM@Dossier s

但甲骨文显示错误ORA 00933: SQL command not properly ended。

我无法解决我的请求的问题,任何帮助将不胜感激。

oracle-9i database-link
  • 1 个回答
  • 11235 Views

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