当<database_name>.<schema_name>. 是当前数据库名称时,Azure SQL 数据库支持由三部分构成的名称 <database_name> 格式,或者 <database_name>tempdb, 以# 或##开头。 如果架构名称 dbo,则可以省略 <schema_name>。 <relational_index_option>::= 指定创建索引时要使用的选项。 PAD_INDEX = { ON | OFF...
schema_name 表或视图所属架构的名称。 table_or_view_name 要为其建立索引的表或视图的名称。 必须使用 SCHEMABINDING 定义视图,才能为视图创建索引。必须先为视图创建唯一的聚集索引,才能为该视图创建非聚集索引。有关索引视图的详细信息,请参阅“备注”部分。 <relational_index_option>::= 指定创建索引时要使用...
Two important components in a schema are the primary key and the foreign key. When generating an ER (entity-relationship) diagram, like the one shown above, the object’s primary key can be the IDs, which uniquely identifies the entry in a table. The foreign key, which is the primary ...
principalSchema String 包含外键所约束的表的架构。 onUpdate ReferentialAction 要ReferentialAction用于更新的 。 onDelete ReferentialAction 要ReferentialAction用于删除的 。 返回 OperationBuilder<AddForeignKeyOperation> 同一生成器,以便可以链接多个调用。 适用于 ...
A computer system for creating a semantic object model from an existing relational database schema. The computer system analyzes the catalog information of the relational database schema and creates a semantic object for each table defined in the catalog. For each column defined within a table, a...
Cannot obtain the required interface ("IID_IDBSchemaRowset") from OLE DB provider "OraOLEDB.Oracle" for linked Cannot open backup device 'C:\Program Files\Microsoft SQL Server\MSSQL11.SQLEXPRESS\MSSQL\Backup\path'. Operating system error 2(The system cannot find the file specified.). Can...
ValueConverter converter = createValueConverterFor(column, schema.field(column.name())); converter = wrapInMappingConverterIfNeeded(mappers, tableId, column, converter); io.debezium.relationalTableSchemaBuildercreateValueConverterFor Javadoc Show more Create a ValueConverter that can be used to convert...
Function<Object[], Object> keyGenerator = createKeyGenerator(keySchema, tableId, table.primaryKeyColumns()); Function<Object[], Struct> valueGenerator = createValueGenerator(valSchema, tableId, table.columns(), filter, mappers); io.debezium.relationalTableSchemaBuildercreateKeyGenerator Javadoc Create...
当<database_name>.<schema_name>. 是当前数据库名称时,Azure SQL 数据库支持由三部分构成的名称 <database_name> 格式,或者 <database_name>tempdb, 以# 或##开头。 如果架构名称 dbo,则可以省略 <schema_name>。 <relational_index_option>::= 指定创建索引时要使用的选项。 PAD_INDEX = { ON | OFF...
4. The development toolkit of claim 3 wherein the model is one of a UML class diagram, an EMF Ecore model, a database schema, an XML schema, data in a database, and data in an XML file. 5. The development toolkit of claim 3 wherein the editor is configured to create an instance...