database_name 在其中创建表的数据库的名称。database_name 必须指定现有数据库的名称。如果未指定,则 database_name 默认为当前数据库。当前连接的登录名必须与 database_name 所指定数据库中的一个现有用户 ID 关联,并且该用户 ID 必须具有 CREATE TABLE 权限。 schema_name 新表所属架构的名称。 table_name ...
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 语法:...
Simple CREATE TABLE syntax (common if not using options): syntaxsql Copy CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] Full syntax Disk-based CREATE TABLE syntax: syntaxsql Copy CREATE...
| schema . ] table_name ( { column [ ASC | DESC ] } [ ,...n ] ) WITH ( DROP_EXISTING = { ON | OFF } ) [;] 参数UNIQUE为表或视图创建唯一索引。 唯一索引不允许两行具有相同的索引键值。 视图的聚集索引必须唯一。无论IGNORE_DUP_KEY 是否设置为 ON,数据库引擎都不允许为已包含重复值...
Your question is valid, and you can indeed specify the column name and type within the Table.FromList function. Let me give you an example. The below code creates a single column table with the name "Product" and the data type Text. = Table.FromList( {"Apple", "Prume"...
评估CREATETABLE语句: CREATE TABLE productsproduct_id NUMBER(6)CONSTRAINT prod_id_pk PRIMARY KEY,product_name VARCHAR2(15) 下列关于prod_id_pk选项正确的是()。 A. 可以被创建,但需要唯一索引用手工创建 B. 可以被创建并且会自动创建唯一索引 C. 可以被创建并且会自动创建非唯一索引 D. 可以被创建但不可...
During single-table synchronization, the database name and table names are not synchronized. If you want to synchronize the database name and table names, execute an SQL statement to create a catalog and add the catalog.table.metadata-columns parameter to the code. For more information, see Co...
On top of that, if you write an application from scratch using C++ or C#, you'll have to figure out how to display items in a table, apply formulas and calculate values, change font sizes and colors, and graph selected data. One cool thing about Excel is that it already knows how ...
You have a table named Product. You create a view that includes all the products from the Product table that are in the Furniture category. You execute a statement on the Product table that deletes all the products in the Furniture category.After you exe
The Create:Source Code BE team is responsible for all backend aspects of the product categories that fall under the Source Code group of the Create stage.