mysql create or replace table syntax
If neither IGNORE nor REPLACE is specified, duplicate unique key values result in an error. Because the ordering of the rows in the underlying SELECT statements cannot always be determined, CREATE TABLE ... IGNORE SELECT and CREATE TABLE ... REPLACE SELEC, If the view does not exist, CREATE OR REPLACE VIEW is the same as ... The select_statement can select from base tables or other views.
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mysql create or replace table syntax 相關參考資料
create table - MySQL :: Developer Zone
For a full description of the syntax available for specifying column data types, as ..... This comment syntax is also supported with ALTER TABLE statements for ... https://dev.mysql.com create table ... select - MySQL :: Developer Zone
If neither IGNORE nor REPLACE is specified, duplicate unique key values result in an error. Because the ordering of the rows in the underlying SELECT statements cannot always be determined, CREATE TAB... https://dev.mysql.com CREATE VIEW Syntax - MySQL :: Developer Zone
If the view does not exist, CREATE OR REPLACE VIEW is the same as ... The select_statement can select from base tables or other views. https://dev.mysql.com If table exists drop table then create it, if it does not exist just ...
drop table table_name; create table as select * from the view; – sirskoy Feb 1 '19 at 16:24. If you are on MariaDB (MySQL lacks this), then you can simply CREATE OR REPLACE <table_name> AS ... https://stackoverflow.com mysql - If table exists drop table then create it, if it does not ...
drop table table_name; create table as select * from the view; – sirskoy Feb 1 '19 at 16:24. If you are on MariaDB (MySQL lacks this), then you can simply CREATE OR REPLACE <table_name> AS S... https://stackoverflow.com MySQL 8.0 Reference Manual :: 13.1.23 CREATE ... - MySQL
If the view does not exist, CREATE OR REPLACE VIEW is the same as ... use db_name.view_name syntax to qualify the view name with the database name: https://dev.mysql.com MySQL CREATE TABLE Statement By Examples
The CREATE TABLE statement allows you to create a new table in a database. The following illustrates the basic syntax of the CREATE TABLE statement: ... https://www.mysqltutorial.org |