Product balance sheet
phone_no number(3) UNIQUE NOT NULL, CONSTRAINT std_fk FOREIGN KEY (rollno) REFERENCES student (rollno) ); If you want to delete records from the PARENT table for which there are corresponding records in the CHILD table then you need to specify the ON DELETE CASCADE option while defining the Foreign Key relation. TCL is an OEM most likely to be familiar for its TVs. However, it also makes other display-based devices, phones included. A patent attributed to this company shows such a device with a screen ... Oracle Database. PL/SQL Language Reference 12c Release 2 (12.2) E49633-16. May 2017 Oracle Database PL/SQL Language Reference, 12c Release 2 (12.2) E49633-16 ... The Samsung Galaxy M31 may gain a macro camera, just like the A51. The phone is expected to keep the 48MP main camera and 8MP ultrawide shooter from the current Galaxy M30s.