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在一个sql语句中删除所有表,存储过程,触发器,约束和所有依赖项

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有没有什么方法可以通过删除所有表并删除一个SQL语句中的存储过程,触发器,约束和所有依赖项来清理SQl Server 2005中的数据库?

REASON FOR REQUEST:

我希望有一个数据库脚本来清理现有的数据库,而不是创建新数据库,尤其是当您需要向数据库管理员发出请求并等待一段时间才能完成时!

19 回答

  • 85

    试试这个....

    USE DATABASE
    GO
    DECLARE @tname VARCHAR(150)
    DECLARE @strsql VARCHAR(300)
    
    SELECT @tname = (SELECT TOP 1 [name] FROM sys.objects WHERE [type] = 'U' and [name] like N'TableName%' ORDER BY [name])
    
    WHILE @tname IS NOT NULL
    BEGIN
        SELECT @strsql = 'DROP TABLE [dbo].[' + RTRIM(@tname) +']'
        EXEC (@strsql)
        PRINT 'Dropped Table : ' + @tname
        SELECT @tname = (SELECT TOP 1 [name] FROM sys.objects WHERE [type] = 'U' AND [name] like N'TableName%'  AND [name] > @tname ORDER BY [name])
    END
    
  • 7

    此脚本清除所有视图,SPS,函数PK,FK和表 .

    /* Drop all non-system stored procs */
    DECLARE @name VARCHAR(128)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name])
    
    WHILE @name is not null
    BEGIN
        SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']'
        EXEC (@SQL)
        PRINT 'Dropped Procedure: ' + @name
        SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 AND [name] > @name ORDER BY [name])
    END
    GO
    
    /* Drop all views */
    DECLARE @name VARCHAR(128)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'V' AND category = 0 ORDER BY [name])
    
    WHILE @name IS NOT NULL
    BEGIN
        SELECT @SQL = 'DROP VIEW [dbo].[' + RTRIM(@name) +']'
        EXEC (@SQL)
        PRINT 'Dropped View: ' + @name
        SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'V' AND category = 0 AND [name] > @name ORDER BY [name])
    END
    GO
    
    /* Drop all functions */
    DECLARE @name VARCHAR(128)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] IN (N'FN', N'IF', N'TF', N'FS', N'FT') AND category = 0 ORDER BY [name])
    
    WHILE @name IS NOT NULL
    BEGIN
        SELECT @SQL = 'DROP FUNCTION [dbo].[' + RTRIM(@name) +']'
        EXEC (@SQL)
        PRINT 'Dropped Function: ' + @name
        SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] IN (N'FN', N'IF', N'TF', N'FS', N'FT') AND category = 0 AND [name] > @name ORDER BY [name])
    END
    GO
    
    /* Drop all Foreign Key constraints */
    DECLARE @name VARCHAR(128)
    DECLARE @constraint VARCHAR(254)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' ORDER BY TABLE_NAME)
    
    WHILE @name is not null
    BEGIN
        SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
        WHILE @constraint IS NOT NULL
        BEGIN
            SELECT @SQL = 'ALTER TABLE [dbo].[' + RTRIM(@name) +'] DROP CONSTRAINT [' + RTRIM(@constraint) +']'
            EXEC (@SQL)
            PRINT 'Dropped FK Constraint: ' + @constraint + ' on ' + @name
            SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' AND CONSTRAINT_NAME <> @constraint AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
        END
    SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'FOREIGN KEY' ORDER BY TABLE_NAME)
    END
    GO
    
    /* Drop all Primary Key constraints */
    DECLARE @name VARCHAR(128)
    DECLARE @constraint VARCHAR(254)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' ORDER BY TABLE_NAME)
    
    WHILE @name IS NOT NULL
    BEGIN
        SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
        WHILE @constraint is not null
        BEGIN
            SELECT @SQL = 'ALTER TABLE [dbo].[' + RTRIM(@name) +'] DROP CONSTRAINT [' + RTRIM(@constraint)+']'
            EXEC (@SQL)
            PRINT 'Dropped PK Constraint: ' + @constraint + ' on ' + @name
            SELECT @constraint = (SELECT TOP 1 CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' AND CONSTRAINT_NAME <> @constraint AND TABLE_NAME = @name ORDER BY CONSTRAINT_NAME)
        END
    SELECT @name = (SELECT TOP 1 TABLE_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE constraint_catalog=DB_NAME() AND CONSTRAINT_TYPE = 'PRIMARY KEY' ORDER BY TABLE_NAME)
    END
    GO
    
    /* Drop all tables */
    DECLARE @name VARCHAR(128)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'U' AND category = 0 ORDER BY [name])
    
    WHILE @name IS NOT NULL
    BEGIN
        SELECT @SQL = 'DROP TABLE [dbo].[' + RTRIM(@name) +']'
        EXEC (@SQL)
        PRINT 'Dropped Table: ' + @name
        SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'U' AND category = 0 AND [name] > @name ORDER BY [name])
    END
    GO
    
  • 7

    我正在使用Adam Anderson的这个脚本,更新为支持除dbo之外的其他模式中的对象 .

    declare @n char(1)
    set @n = char(10)
    
    declare @stmt nvarchar(max)
    
    -- procedures
    select @stmt = isnull( @stmt + @n, '' ) +
        'drop procedure [' + schema_name(schema_id) + '].[' + name + ']'
    from sys.procedures
    
    
    -- check constraints
    select @stmt = isnull( @stmt + @n, '' ) +
    'alter table [' + schema_name(schema_id) + '].[' + object_name( parent_object_id ) + ']    drop constraint [' + name + ']'
    from sys.check_constraints
    
    -- functions
    select @stmt = isnull( @stmt + @n, '' ) +
        'drop function [' + schema_name(schema_id) + '].[' + name + ']'
    from sys.objects
    where type in ( 'FN', 'IF', 'TF' )
    
    -- views
    select @stmt = isnull( @stmt + @n, '' ) +
        'drop view [' + schema_name(schema_id) + '].[' + name + ']'
    from sys.views
    
    -- foreign keys
    select @stmt = isnull( @stmt + @n, '' ) +
        'alter table [' + schema_name(schema_id) + '].[' + object_name( parent_object_id ) + '] drop constraint [' + name + ']'
    from sys.foreign_keys
    
    -- tables
    select @stmt = isnull( @stmt + @n, '' ) +
        'drop table [' + schema_name(schema_id) + '].[' + name + ']'
    from sys.tables
    
    -- user defined types
    select @stmt = isnull( @stmt + @n, '' ) +
        'drop type [' + schema_name(schema_id) + '].[' + name + ']'
    from sys.types
    where is_user_defined = 1
    
    
    exec sp_executesql @stmt
    

    资料来源:http://blog.falafel.com/Blogs/AdamAnderson/09-01-06/T-SQL_Drop_All_Objects_in_a_SQL_Server_Database.aspx

  • 12

    最好的办法是“ Generate scripts for Drop

    选择 Database - > Right Click - > Tasks - > Generate Scripts - 将打开 wizard 以生成脚本

    在set Scripting选项中选择对象后,单击 Advanced Button

      • 将选项'Script to create'设置为true(想要创建)

      • 将选项' Script to Drop '设置为true(想要删除)

      • 选中复选框以选择希望创建脚本的对象

      • 选择编写脚本的选项(文件,新窗口,剪贴板)

    • 默认包含依赖对象 . (并且首先会删除约束)

    执行脚本

    这样我们就可以自定义脚本了 .

  • -1

    删除所有表格:

    exec sp_MSforeachtable 'DROP TABLE ?'
    

    当然,这将删除除存储过程之外的所有约束,触发器等 .

    对于存储过程,我担心您将需要存储在 master 中的另一个存储过程 .

  • 0

    我会用两个陈述来做:DROP DATABASE ???

    然后CREATE DATABASE ???

  • 105

    备份一个完全空的数据库 . 不要删除所有对象,只需恢复备份即可 .

  • 567

    这是我尝试过的:

    SELECT 'DROP TABLE [' + SCHEMA_NAME(schema_id) + '].[' + name + ']' FROM sys.tables
    

    它将打印什么输出,只需复制全部并粘贴新查询并按下执行 . 这将删除所有表 .

  • 2

    我在这里尝试了一些脚本,但它们对我不起作用,因为我在模式中有表格 . 所以我把以下内容放在一起 . 请注意,此脚本采用模式列表,然后按顺序删除 . 您需要确保在模式中有完整的排序 . 如果存在任何循环依赖关系,那么它将失败 .

    PRINT 'Dropping whole database'
    GO
    
    ------------------------------------------
    -- Drop constraints
    ------------------------------------------
    DECLARE @Sql NVARCHAR(500) DECLARE @Cursor CURSOR
    
    SET @Cursor = CURSOR FAST_FORWARD FOR
    SELECT DISTINCT sql = 'ALTER TABLE ['+tc2.CONSTRAINT_SCHEMA+'].[' + tc2.TABLE_NAME + '] DROP [' + rc1.CONSTRAINT_NAME + ']'
    FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc1
    LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc2 ON tc2.CONSTRAINT_NAME =rc1.CONSTRAINT_NAME
    
    OPEN @Cursor FETCH NEXT FROM @Cursor INTO @Sql
    
    WHILE (@@FETCH_STATUS = 0)
    BEGIN
    PRINT @Sql
    Exec (@Sql)
    FETCH NEXT FROM @Cursor INTO @Sql
    END
    
    CLOSE @Cursor DEALLOCATE @Cursor
    GO
    
    
    ------------------------------------------
    -- Drop views
    ------------------------------------------
    
    DECLARE @sql VARCHAR(MAX) = ''
            , @crlf VARCHAR(2) = CHAR(13) + CHAR(10) ;
    
    SELECT @sql = @sql + 'DROP VIEW ' + QUOTENAME(SCHEMA_NAME(schema_id)) + '.' + QUOTENAME(v.name) +';' + @crlf
    FROM   sys.views v
    
    PRINT @sql;
    EXEC(@sql);
    GO
    ------------------------------------------
    -- Drop procs
    ------------------------------------------
    PRINT 'Dropping all procs ...'
    GO
    
    DECLARE @sql VARCHAR(MAX) = ''
            , @crlf VARCHAR(2) = CHAR(13) + CHAR(10) ;
    
    SELECT @sql = @sql + 'DROP PROC ' + QUOTENAME(SCHEMA_NAME(p.schema_id)) + '.' + QUOTENAME(p.name) +';' + @crlf
    FROM   [sys].[procedures] p
    
    PRINT @sql;
    EXEC(@sql);
    GO
    
    ------------------------------------------
    -- Drop tables
    ------------------------------------------
    PRINT 'Dropping all tables ...'
    GO
    EXEC sp_MSForEachTable 'DROP TABLE ?'
    GO
    
    ------------------------------------------
    -- Drop sequences
    ------------------------------------------
    
    PRINT 'Dropping all sequences ...'
    GO
    DECLARE @DropSeqSql varchar(1024)
    DECLARE DropSeqCursor CURSOR FOR
    SELECT DISTINCT 'DROP SEQUENCE ' + s.SEQUENCE_SCHEMA + '.' + s.SEQUENCE_NAME
        FROM INFORMATION_SCHEMA.SEQUENCES s
    
    OPEN DropSeqCursor
    
    FETCH NEXT FROM DropSeqCursor INTO @DropSeqSql
    
    WHILE ( @@FETCH_STATUS <> -1 )
    BEGIN
        PRINT @DropSeqSql
        EXECUTE( @DropSeqSql )
        FETCH NEXT FROM DropSeqCursor INTO @DropSeqSql
    END
    
    CLOSE DropSeqCursor
    DEALLOCATE DropSeqCursor
    GO
    
    ------------------------------------------
    -- Drop Schemas
    ------------------------------------------
    
    
    DECLARE @schemas as varchar(1000) = 'StaticData,Ird,DataImport,Collateral,Report,Cds,CommonTrade,MarketData,TypeCode'
    DECLARE @schemasXml as xml = cast(('<schema>'+replace(@schemas,',' ,'</schema><schema>')+'</schema>') as xml)
    
    DECLARE @Sql NVARCHAR(500) DECLARE @Cursor CURSOR
    
    SET @Cursor = CURSOR FAST_FORWARD FOR
    SELECT sql = 'DROP SCHEMA ['+schemaName+']' FROM 
    (SELECT CAST(T.schemaName.query('text()') as VARCHAR(200)) as schemaName FROM @schemasXml.nodes('/schema') T(schemaName)) as X
    JOIN information_schema.schemata S on S.schema_name = X.schemaName
    
    OPEN @Cursor FETCH NEXT FROM @Cursor INTO @Sql
    
    WHILE (@@FETCH_STATUS = 0)
    BEGIN
    PRINT @Sql
    Exec (@Sql)
    FETCH NEXT FROM @Cursor INTO @Sql
    END
    
    CLOSE @Cursor DEALLOCATE @Cursor
    GO
    
  • 7

    今晚我不小心对我的主数据库运行了一个db init脚本 . 无论如何,我很快就遇到了这个帖子 . 我用过:exec sp_MSforeachtable'DROP TABLE?'回答,但不得不多次执行它,直到它没有错误(依赖关系 . )之后,我偶然发现了一些其他线程并将它拼凑在一起以删除所有存储过程和函数 .

    DECLARE mycur CURSOR FOR select O.type_desc,schema_id,O.name
    from 
        sys.objects             O LEFT OUTER JOIN
        sys.extended_properties E ON O.object_id = E.major_id
    WHERE
        O.name IS NOT NULL
        AND ISNULL(O.is_ms_shipped, 0) = 0
        AND ISNULL(E.name, '') <> 'microsoft_database_tools_support'
        AND ( O.type_desc = 'SQL_STORED_PROCEDURE' OR O.type_desc = 'SQL_SCALAR_FUNCTION' )
    ORDER BY O.type_desc,O.name;
    
    OPEN mycur;
    
    DECLARE @schema_id int;
    DECLARE @fname varchar(256);
    DECLARE @sname varchar(256);
    DECLARE @ftype varchar(256);
    
    FETCH NEXT FROM mycur INTO @ftype, @schema_id, @fname;
    
    WHILE @@FETCH_STATUS = 0
    BEGIN
        SET @sname = SCHEMA_NAME( @schema_id );
        IF @ftype = 'SQL_STORED_PROCEDURE'
            EXEC( 'DROP PROCEDURE "' + @sname + '"."' + @fname + '"' );
        IF @ftype = 'SQL_SCALAR_FUNCTION'
            EXEC( 'DROP FUNCTION "' + @sname + '"."' + @fname + '"' );
    
        FETCH NEXT FROM mycur INTO @ftype, @schema_id, @fname;
    END
    
    CLOSE mycur
    DEALLOCATE mycur
    
    GO
    
  • 3

    试试这个

    Select 'ALTER TABLE ' + Table_Name  +'  drop constraint ' + Constraint_Name  from Information_Schema.CONSTRAINT_TABLE_USAGE
    
    Select 'drop Procedure ' + specific_name  from Information_Schema.Routines where specific_name not like 'sp%' AND specific_name not like 'fn_%'
    
    Select 'drop View ' + table_name  from Information_Schema.tables where Table_Type = 'VIEW'
    
    SELECT 'DROP TRIGGER ' + name FROM sysobjects WHERE type = 'tr'
    
    Select 'drop table ' + table_name  from Information_Schema.tables where Table_Type = 'BASE TABLE'
    
  • 0

    除了@ Ivan的回答,还需要包含所有类型

    /* Drop all Types */
    DECLARE @name VARCHAR(128)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (SELECT TOP 1 [name] FROM sys.types where is_user_defined = 1 ORDER BY [name])
    
    WHILE @name IS NOT NULL
    BEGIN
        SELECT @SQL = 'DROP TYPE [dbo].[' + RTRIM(@name) +']'
        EXEC (@SQL)
        PRINT 'Dropped Type: ' + @name
        SELECT @name = (SELECT TOP 1 [name] FROM sys.types where is_user_defined = 1 AND [name] > @name ORDER BY [name])
    END
    GO
    
  • 1

    没有一个声明可用于实现这一目标 .

    您当然可以创建一个 stored procedure ,您可以使用它来执行这些不同的管理任务 .

    然后,您可以使用此单个语句执行该过程 .

    Exec sp_CleanDatabases @DatabaseName='DBname'
    
  • 0

    对我来说似乎是一个相当危险的特征 . 如果你实现这样的东西,我会确保以一种你无法在每次事故中运行它的方式正确保护它 .

    如前所述,您可以自己制作某种存储过程 . 在SQL Server 2005中,您可以查看此系统表以确定并找到要删除的对象 .

    select * from sys.objects
    
  • 2

    在这里,我找到了删除所有sp,函数和触发器的新查询

    declare @procName varchar(500)
    declare cur cursor 
    
    for select [name] from sys.objects where type = 'p'
    open cur
    fetch next from cur into @procName
    while @@fetch_status = 0
    begin
        exec('drop procedure ' + @procName)
        fetch next from cur into @procName
    end
    close cur
    deallocate cur
    
  • 0

    要添加到Ivan的答案,我还需要删除所有用户定义的类型,所以我已将其添加到脚本中:

    /* Drop all user-defined types */
    DECLARE @name VARCHAR(128)
    DECLARE @SQL VARCHAR(254)
    
    SELECT @name = (select TOP 1 [name] from sys.types where is_user_defined = 1)
    
    WHILE @name IS NOT NULL
    BEGIN
        SELECT @SQL = 'DROP TYPE [dbo].[' + RTRIM(@name) +']'
        EXEC (@SQL)
        PRINT 'Dropped Type: ' + @name
        SELECT @name = (select TOP 1 [name] from sys.types where is_user_defined = 1)
    END
    GO
    
  • 48
    DECLARE @name VARCHAR(255)
    DECLARE @type VARCHAR(10)
    DECLARE @prefix VARCHAR(255)
    DECLARE @sql VARCHAR(255)
    
    DECLARE curs CURSOR FOR
    SELECT [name], xtype
    FROM sysobjects
    WHERE xtype IN ('U', 'P', 'FN', 'IF', 'TF', 'V', 'TR') -- Configuration point 1
    ORDER BY name
    
    OPEN curs
    FETCH NEXT FROM curs INTO @name, @type
    
    WHILE @@FETCH_STATUS = 0
    BEGIN
    -- Configuration point 2
    SET @prefix = CASE @type
    WHEN 'U' THEN 'DROP TABLE'
    WHEN 'P' THEN 'DROP PROCEDURE'
    WHEN 'FN' THEN 'DROP FUNCTION'
    WHEN 'IF' THEN 'DROP FUNCTION'
    WHEN 'TF' THEN 'DROP FUNCTION'
    WHEN 'V' THEN 'DROP VIEW'
    WHEN 'TR' THEN 'DROP TRIGGER'
    END
    
    SET @sql = @prefix + ' ' + @name
    PRINT @sql
    EXEC(@sql)
    FETCH NEXT FROM curs INTO @name, @type
    END
    
    CLOSE curs
    DEALLOCATE curs
    
  • 0

    You have to disable all triggers and constraints first.

    EXEC sp_MSforeachtable @command1="ALTER TABLE ? NOCHECK CONSTRAINT ALL"
    
    EXEC sp_MSforeachtable @command1="ALTER TABLE ? DISABLE TRIGGER ALL"
    

    After that you can generate the scripts for deleting the objects as

    SELECT 'Drop Table '+name FROM sys.tables WHERE type='U';
    
    SELECT 'Drop Procedure '+name FROM  sys.procedures WHERE type='P';
    

    Execute the statements generated.

  • 0

    要删除oracle中的所有对象:

    1)动态

    DECLARE
    CURSOR IX IS
    SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE ='TABLE' 
    AND OWNER='SCHEMA_NAME';
     CURSOR IY IS
     SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE 
    IN ('SEQUENCE',
    'PROCEDURE',
    'PACKAGE',
    'FUNCTION',
    'VIEW') AND  OWNER='SCHEMA_NAME';
     CURSOR IZ IS
     SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE IN ('TYPE') AND  OWNER='SCHEMA_NAME';
    BEGIN
     FOR X IN IX LOOP
       EXECUTE IMMEDIATE('DROP '||X.OBJECT_TYPE||' '||X.OBJECT_NAME|| ' CASCADE CONSTRAINT');
     END LOOP;
     FOR Y IN IY LOOP
       EXECUTE IMMEDIATE('DROP '||Y.OBJECT_TYPE||' '||Y.OBJECT_NAME);
     END LOOP;
     FOR Z IN IZ LOOP
       EXECUTE IMMEDIATE('DROP '||Z.OBJECT_TYPE||' '||Z.OBJECT_NAME||' FORCE ');
     END LOOP;
    END;
    /
    

    2)静态

    SELECT 'DROP TABLE "' || TABLE_NAME || '" CASCADE CONSTRAINTS;' FROM user_tables
            union ALL
            select 'drop '||object_type||' '|| object_name || ';' from user_objects 
            where object_type in ('VIEW','PACKAGE','SEQUENCE', 'PROCEDURE', 'FUNCTION')
            union ALL
            SELECT 'drop '
            ||object_type
            ||' '
            || object_name
            || ' force;'
            FROM user_objects
            WHERE object_type IN ('TYPE');
    

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