使用ITableDefinition::CreateTable函数创建表时,SQL Server Native Client OLE DB 访问接口使用者可以在传递的 DBCOLUMNDESC 数组的 pwszTypeName成员中指定 SQL Server 数据类型。 如果使用者按照名称指定列的数据类型,则忽略由 DBCOLUMNDESC 结构的 wType 成员表示的
TSqlParser TSqlParserToken TSqlScript TSqlStatement TSqlStatementSnippet TSqlTokenType TSqlTriggerEventGroupHelper TSqlTriggerEventTypeHelper UnaryExpression UnaryExpressionType UniqueConstraintDefinition UniqueRowFilter ピボット解除TableReference UnqualifiedJoin UnqualifiedJoinType UpdateCall UpdateDeleteSpecification...
Starting with SQL Server 2014 (12.x), new syntax was introduced which allows you to create certain index types inline with the table definition. Using this new syntax, you can create indexes on table variables as part of the table definition. In some cases, performance may improve by using...
supportsCoreSQLGrammar 方法 (SQLServerDatabaseMetaData) supportsCorrelatedSubqueries 方法 (SQLServerDatabaseMetaData) supportsDataDefinitionAndDataManipulationTransactions 方法 (SQLServerDatabaseMetaData) supportsDataManipulationTransactionsOnly 方法 (SQLServerDatabaseMetaData) supportsDifferentTableCorr...
syntaxsql 複製 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> | [ <table_constraint> ] [ ,... n ] | [ <table_index> ] [ ,... n ] } [ PERIOD FOR SYSTEM_TIME ( system_start_time_column_name , system_...
程序集: Microsoft.SqlServer.TransactSql.ScriptDom(在 Microsoft.SqlServer.TransactSql.ScriptDom.dll 中) 语法 C# 复制 [SerializableAttribute] public class TableDefinition : TSqlFragment TableDefinition 类型公开以下成员。 构造函数 展开表 名称说明 TableDefinition Initializes a new instance of the Table...
The order of column names specified in the hint must match the order of the columns in the referenced index. Columns that aren't in the index key definition can't be specified. For example, in a nonclustered index, only the defined index key columns can be specified. Clustered key columns...
Transact-SQL 语法约定 语法选项 常用语法 简单的 CREATE TABLE 语法(如果不使用选项,则很常见): syntaxsql 复制 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] 完整语法 基于磁盘的 CREATE TABLE...
mysqldump: Error 1412: Table definition has changed, please retry transaction when dumping table `t20230811_0` at row:0 代码语言:javascript 代码运行次数:0 14:57:58[root@ddcw21~]#mysqldump-h127.0.0.1-P3314-p123456--all-databases--single-transaction--master-data--quick>alldb_t20230811.sqlmys...
--https://msdn.microsoft.com/zh-cn/library/ms179853(v=sql.120).aspx --为表添加描述信息 EXECUTEsp_addextendedproperty N'MS_Description','导入员工资料表', N'SCHEMA', N'dbo', N'table', N'StaffList',NULL,NULL EXECsp_updateextendedproperty N'MS_Description','导入员工资料表', N'SCHEMA',...