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DATABASE MANAGEMENT SYSTEMThe Object Query Language is which of the following? - (i) Similar to SQL and uses a select-from-where structure (ii) Similar to SQL and uses a select-where structure (ii) Similar to SQL and uses a from-where structure (iv) Not similar to SQL20212mDATABASE MANAGEMENT SYSTEMThe ability to query data, as well as insert, delete, and alter tuples, is offered by: - (i) TCL (Transaction Control Language) - (ii) DCL (Data Control Language) - (iii) DDL (Data Definition Language) - (iv) DML (Data Manipulation Language)20242mDatabase Management SystemWrite short notes on: SQL and embedded SQL20187mDATABASE MANAGEMENT SYSTEMWhich of the following is generally used for performing tasks like creating the structure of the relations or deleting relations? - (i) DML - (ii) Query - (iii) Relational schema - (iv) DDL20242m
PreviousWhich of the following operations is used if we are interested in only certain columns of a table? - (i) PROJECTION (ii) SELECTION (ii) UNION (iv) JOINNextWhich of the following is true? - (i) B+ tree allows only the rapid random access (ii) B+ tree allows only the rapid sequential access (iii) B + tree allows rapid random access as well as rapid sequential access (iv) B + tree allows rapid random access and slower sequential access