insert into table_name with clause_name as (select query ) [, clause_name1 as (select query ) …] select column1,…columnn from clause_name; 例子: –create with 语句 CREATE TABLE w_test_20 AS WITH data_info_19 AS (
Select a field in theMore Fieldslist to insert the new column. Access places the field to the right of the column where your cursor is currently located. If you choose one of the field options under the Quick Start heading, such as Address, Access creates multiple fields in your table to...
CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXISTS ] table_name { ({ column_name data_type [ compress_mode ] [ COLLATE collation ] [ column_constraint [ ... ] ] | table_constraint | LIKE source_table [ like_option [...] ] } [, ... ]...
-- Create a new table.CREATETABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} ( {column_name<data_type>[<column_options>] } [ ,...n ] ) [WITH(<table_option>[ ,...n ] ) ] [;]<column_options>::=[COLLATEWindows_collation_name] [NULL|NOTNULL]-- de...
oracle支持使用with as 子句来创建表 语法: create table table_name as with clause_name as (select query ) [, clause_name1 as (select query ) ...] select column1,...columnn from clause_name; 语法: insert into table_name with clause_name as ...
] referenced_table_name [ ( ref_column ) ] | CHECK ( logical_expression ) } <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } { NONCLUSTERED ( column_name [ ASC | DESC ] [ ,... n ]) | NONCLUSTERED HASH ( column_name [ ,... n ] ) WITH ...
将With CTE与CREATE/INSERT顺序一起使用是指在SQL语句中使用公共表表达式(Common Table Expression,CTE)与CREATE或INSERT语句结合使用。 公共表表达式(CTE)是一种临时命名的结果集,它在查询中可以像表一样被引用。使用CTE可以提高查询的可读性和可维护性,并且可以在多个查询中重复使用。
] referenced_table_name [ ( ref_column ) ] | CHECK ( logical_expression ) } <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } { NONCLUSTERED ( column_name [ ASC | DESC ] [ ,... n ]) | NONCLUSTERED HASH ( column_name [ ,... n ] ) WITH ...
切片键定义应该紧跟在table-element-commist的右括号之后,但在WITH子句之前(如果指定)。为了向后兼容,支持将分片键定义指定为table-element-commist中的元素。在两个位置指定分片键定义会生成SQLCODE-327错误。 有三个选项可用于指定碎片键定义: SHARD:如果仅指定关键字Shard, IRIS使用表的RowID字段作为碎片键。对于几...
INSERT文を使用した場合、表に行を追加できます。表を作成した後、ALTER TABLE文でADD句を指定すると、追加する列、パーティションおよび整合性制約を定義できます。ALTER TABLE文でMODIFY句を指定すると、既存の列またはパーティションの定義を変更できます。 関連項目: オブジェクトの作成の詳細は...