What is the difference between the delete and drop table commands?
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What is the difference between the delete and drop table commands?
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- What is the difference between DELETE and TRUNCATE commands?write a trigger that will be activated after a DELETE activity. The trigger will INSERT all deleted data to a backup table having same attributes as original tableWhen would the use of the LIKE key word with the CREATE TABLE command be helpful?
- Which of the following fields also serves as a primary key in another table when two tables are joined together on that value? a. foreign key b. primary key c. turn key d. repeating group keyWhich joins describes a camparision of the columns of two tables with the < operater? a) Full join b) Equijoin c) Inner Join d) Non -Equijoinxplain Local Descriptor Table?