CREATE TABLE new_table; SELECT SELECT col, col2, col3 INTO new_table FROM existing_table; 在第一个语句中,数据库使用 CREATE TABLE 语句中指定的名创建一个新表。新表的结构由 SELECT 语句的结果集定义。然后,数据库将 SELECT 语句的结果填充到新表中。 尽管上述的过程可以完美地复制表,但是有一种更...
SQL: CREATE a table from another table You can also create a table from an existing table by copying the existing table's columns. It is important to note that when creating a table in this way, the new table will be populated with the records from the existing table (based on the SEL...
CREATE TABLE AS SELECT 下面是一个简单的示例,演示了如何使用CREATE TABLE AS SELECT来创建一个新表,并从另一个表中选择数据: CREATE TABLE new_table AS SELECT column1, column2 FROM existing_table; 1. 2. 3. 4. 在这个例子中,我们创建了一个名为new_table的新表,将existing_table中的column1和column...
In summary: When selecting the desired pre-existing table style from the Ribbon to be applied to your data; *right click on the table style you want to use as your framework and select "Duplicate". * The rest should be fairly simple to walk through from there. And, I like Charles Keny...
-- Existing table CREATE TABLE Department_History ( DepartmentNumber CHAR (10) NOT NULL, DepartmentName VARCHAR (50) NOT NULL, ManagerID INT NULL, ParentDepartmentNumber CHAR (10) NULL, ValidFrom DATETIME2 NOT NULL, ValidTo DATETIME2 NOT NULL ); -- Temporal table CREATE TABLE Department ( ...
-- Existing table CREATE TABLE Department_History ( DepartmentNumber CHAR (10) NOT NULL, DepartmentName VARCHAR (50) NOT NULL, ManagerID INT NULL, ParentDepartmentNumber CHAR (10) NULL, ValidFrom DATETIME2 NOT NULL, ValidTo DATETIME2 NOT NULL ); -- Temporal table CREATE TABLE Department ( ...
CREATE EXISTING TABLE 是CREATE TABLE 语句的变体。EXISTING 关键字与 CREATE TABLE 一起使用时,指定已存在于远程位置的表,并指定其元数据将导入到 SAP IQ 中。以这种方式可将远程表建立为用户能够看得见的实体。SAP IQ 在创建表之前,会检验它是否存在于外部位置。 LOCAL TEMPORARY 关键字创建对连接专用并像本地临...
通过CREATE TABLE [IF NOT EXISTS] <table_name> [LIFECYCLE <days>] LIKE <existing_table_name>;语句可以再创建一个表,使目标表和源表具有相同的表结构。 但通过该语句创建的表不复制数据,也不会复制源表的生命周期属性。 您还可以通过lifecycle参数回收表。同时也支持创建内部表复制外部表的结构。 使用示例 ...
Hi everyone!I am trying to make a nice table (sheet 2) out of different information about a company from a bigger table (sheet1). The info is in different...
history_table_name [, DATA_CONSISTENCY_CHECK = { ON | OFF } ] ) ] } Arguments database_name The name of the database in which the table is created. database_name must specify the name of an existing database. If not specified, database_name defaults to the current database. The...