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The following example shows how to reference this key from another table; an explicit constraint name is optional. SQL Copy CONSTRAINT FK_SpecialOfferProduct_SalesOrderDetail FOREIGN KEY (ProductID, SpecialOfferID) REFERENCES SpecialOfferProduct (ProductID, SpecialOfferID) C. Use UNIQUE constraints...
Defines the elements of a table, including the definition of columns and constraints on the table. column-definition Defines the attributes of the columns for a new Hadoop table that is not derived from another table by using the AS clause. column-name Names a column of the table that is ...
CREATE TABLE ... SELECT Statement 13.1.18.4 CREATE TABLE ... SELECT Statement 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; ...
To create a table in another user's schema, you must have the CREATE ANY TABLE system privilege. Also, the owner of the schema to contain the table must have either space quota on the tablespace to contain the table or the UNLIMITED TABLESPACE system privilege. In addition to these table...
LIKE to create an empty table based on the definition of another table, including any column attributes and indexes defined in the original table: CREATE TABLE new_tbl LIKE orig_tbl; For more information, see Section 13.1.18.3, “CREATE TABLE ... LIKE Statement”. [AS] query_expression ...
There is another way to create a table in dbForge Studio for MySQL –import it from a CSV file: 1. Navigate toDatabase>Import Data: 2. ClickCSVand click three dots next to theFile namefield to select the required file. 3. ClickNextand then choose a database where you want to import...
Create Table Using Another Existing Table In SQL, we can create a new table by duplicating an existing table's structure. Let's look at an example. -- create a backup table from the existing table CustomersCREATETABLECustomersBackupASSELECT*FROMCustomers; ...
Another way to create a table is to start with an empty table and assign variables to it. For example, re-create the table of patient data, but this time assign variables using dot notation. First, create an empty table, patients2, by calling table without arguments. patients2 = table ...
使用基于GTID的复制时不支持 CREATE TABLE ... SELECT 在语句完成之前,元数据锁不会释放 CREATE TABLE AS SELECT语句可以把事物变得很糟糕 Let’s imagine we need to transfer money from one account to another (classic example). But in addition to just transferring funds, we need to calculate fees. ...