drop cascade

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showing results for - "drop cascade"
Stefania
05 Sep 2020
1drop table if exists table_name cascade;
source
Brett
28 May 2018
1CREATE TABLE child_table
2(
3  column1 datatype [ NULL | NOT NULL ],
4  column2 datatype [ NULL | NOT NULL ],
5  ...
6
7  CONSTRAINT fk_name
8    FOREIGN KEY (child_col1, child_col2, ... child_col_n)
9    REFERENCES parent_table (parent_col1, parent_col2, ... parent_col_n)
10    ON DELETE CASCADE
11    [ ON UPDATE { NO ACTION | CASCADE | SET NULL | SET DEFAULT } ] 
12);
source
Andrea
03 Oct 2016
1CREATE TABLE child (
2    id INT, 
3    parent_id INT,
4    INDEX par_ind (parent_id),
5    FOREIGN KEY (parent_id) 
6        REFERENCES parent(id)
7        ON DELETE CASCADE
8) ENGINE=INNODB;
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