partition_scheme_name ( column_name ) specifies the partition scheme for the table. The partition scheme must already exist in the database. To create the partition scheme, see CREATE PARTITION SCHEME (Transact-SQL). column_name specifies the column against which a partitioned index is partition...
SQL CREATE TABLE Syntax CREATETABLEtable_name ( column1 datatype, column2 datatype, column3 datatype, ... ); Here, table_nameis name of the table you want to create columnis the name of a column in the table datatypeis the type of data that the column can hold (e.g., integer, ...
INSERTINTOTABLE_NAME (column1, column2, column3,...columnN)VALUES(value1, value2, value3,...valueN); column1, column2,...columnN 为表中字段名。 value1, value2, value3,...valueN 为字段对应的值。 在使用 INSERT INTO 语句时,字段列必须和数据值数量相同,且顺序也要对应。 如果我们向表...
3.使用order by关键字对查询结果进行排序操作 select column1, column2 from table where...order bycolumn asc|desc; asc 升序 -- 默认就是升序, desc 降序 对语文成绩排序后输出: select name,chinese from exam order by chinese desc; 对总分排序按从高到低的顺序输出: select name 姓名,chinese+math+en...
在SQL Server 2008 R2 中创建新表。 Transact-SQL 语法约定语法 复制 CREATE TABLE [ database_name . [ schema_name ] . | schema_name . ] table_name ( { <column_definition> | <computed_column_definition> | <column_set_definition> | [ ] [ ,...n ] } ) [ ON { partition_scheme_...
CREATEEXTERNALTABLE([<column_name><column_type>[AS<expr>]][,<column_name><column_type>[AS<expr>]][,...])LOCATION='<string>'FORMAT=(TYPE='CSV'LINE_DELIMITER='<string>'|<expr>FIELD_DELIMITER='<string>'|<expr>ESCAPE='<character>'|<expr>FIELD_OPTIONALLY_ENCLOSED_BY='<character>'|<exp...
SQL CREATETABLEt1 ( c1varchar(20)COLLATEDivehi_90_CI_AS_KS_WS)WITH(PARTITION(c1RANGEFORVALUES(N''))) 如果boundary_value 是必须隐式转换为 partition_column_name 中数据类型的文本值,会出现差异。 通过 Azure Synapse Analytics 系统视图显示文本值,但转换后的值用于 Transact-SQL 操作。
column_expressionSpecify an expression built from columns of table, constants, SQL functions, and user-defined functions. When you specify column_expression, you create a function-based index.See Also: "Notes on Function-Based Indexes:", "Restrictions on function-based indexes:", and "Function-...
Datatype: Specify the datatype of the column. length: Specify the length of the column. contrsint_Name: Specify the constraint name. filegroupName: Specify the filegroup name in which you want to create the table. You can readthisarticle to learn more about SQL Server filegroups. ...
locations l WHERE d.location_id = l.location_id; SELECT column_name, updatable FROM user_updatable_columns WHERE table_name = 'LOCATIONS_VIEW' ORDER BY column_name, updatable; COLUMN_NAME UPD --- --- DEPARTMENT_ID YES DEPARTMENT_NAME YES LOCATION_ID NO CITY NO 前述の例では、locations表...