文档预览： #2 /var/www/vhosts/nac-1.com/httpdocs/libraries/rokcommon/Doctrine/Migration/Process.php(89): Doctrine_Export->alterTable('nvi93_rokgaller...', Array) #3 /var/www/vhosts/nac-1.com/httpdocs/libraries/rokcommon/Doctrine/Migration.php(522 ... 点击下载

文档预览： CHAPTER3 SQL The relational algebra described in Chapter 2 provides a concise, formal notation for representing queries. However, commercial database systems require a query lan guage that is more user friendly. In this chapter, as well as ... 点击下载

文档预览： (2) ALTERTABLE-SQL. 2. SQL的数据修改功能: (1) 简单查询. (2) 嵌套查询. (3) 联接查询. (4) 分组与计算查询. (5) 集合的并运算. (四)程序设计... 点击下载

文档预览： All memory allocation calls in kernel are made through this API with tag ...If the thread is not in altertable state, APCs are not executed promptly;... 点击下载

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文档预览： $result = $this->altertable($tablename,$alterdefs); restore_error_handler(); } } else{ set_error_handler(array(&$this, 'catcherror')); $result = sqlite_query($this->handle,$sql); restore_error_handler(); if($this ... 点击下载

文档预览： Storeeachvaluewithanassociatedcolumn identifier ExplicitlycreatedbyCREATE/ALTERtable ...Alltenantssharebasetables Asingleextensioncolumnstoringall extensionsasXML Untyped... 点击下载

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文档预览： Copyright 2008, Solid Quality Mentors. All rights reserved. Beneficios y Ventajas del Particionado de Datos con SQL Server 2005 Enterprise Edition. Copyright 2008, Solid Quality Mentors. All rights reserved. Características de gama alta ... 点击下载

文档预览： 4.4.2 创建约束通过使用 CREATETABLE 语句或 ALTERTABLE 语句来实现约束 . 使用...部分语法 ALTER TABLE table {CHECK┃ NOCHECK}CCONSTRAINT {ALL┃ constraint[,... 点击下载