You can create one table from another by adding a SELECT statement at the end of the CREATE TABLE statement: CREATE TABLE new_tbl [AS] SELECT * FROM orig_tbl; MySQL creates new columns for all elements in the SELECT. For example: ...
Postgres allows us to create a table via the SELECT command; for this purpose, the CREATE TABLE statement is used along with an AS clause followed by a SELECT statement. The newly created table will have the same table structure (e.g., column names, data types, etc.) as the columns in...
Hologres V0.10版本开始,支持使用CREATE TABLE LIKE语句复制表结构和表属性(主键、索引等),但需要执行以下命令设置GUC。开启GUC后,CREATE TABLE LIKE只支持通过SELECT * FROM <table_name>复制表,不支持其他写法,如SELECT <column_1>, <column_2> FROM <table_name>。 set hg_experimental_enable_create_table_li...
CREATETABLEnew_tblASSELECT*FROMorig_tbl; IGNORE | REPLACE 这两个选项表明,当根据select语句创建表时,该如何处理复制唯一键值的行。(how to handle rows that duplicate unique key values when copying a table using a SELECT statement.) 0.4 Column Data Types and Attributes 这些就是表的字段定义了。字段...
CreateTableStatement CreateTableStatement 建構函式 屬性 AsEdge AsFileTable AsNode CtasColumns Definition FederationScheme FileStreamOn OnFileGroupOrPartitionScheme Options SchemaObjectName SelectStatement TextImageOn 方法 CreateTriggerStatement CreateTypeStatement CreateTypeTableStatement CreateTypeUddtState...
mysql>createtabletest2asselect*fromtest1; 会话2: mysql>select*fromtest2 limit10; -- blocked statement 语句被阻塞 This statement is waiting for the metadata lock: 此语句正在等待元数据锁: 会话3: mysql>showprocesslist;+---+---+---+---+---+---+---+---|Id|User|Host|db|Command|Time|...
If the destination table exists andIF NOT EXISTSis given, MySQL 8.0 ignores the statement completely; nothing is inserted or logged. MySQL 8.0 does not allow aCREATE TABLE ... SELECTstatement to make any changes in tables other than the table that is created by the statement. ...
Date: June 25, 2011 11:52PM SQL isn't a complete computer language, isn't meant to be. Such jobs are best done in your application language. PB Subject Written By Posted create table from select statement with self join John Phan ...
MySQL源码Create Table 基本语法 MySQL中create table语句的基本语法是: CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] [table_options] [select_statement] TEMPORARY:该关键字表示用create table新建的表为临时表,此表在当前会话结束后将自动消失。临时表主要被应用于存储过程中...
The CREATE TABLE statement defines a table. The definition must include its name and the names and attributes of its columns. The definition can include other attributes of the table, such as its primary key and its table space. Invocation for CREATE TABLE This statement can be embedded in ...