Asked by Mary Carbaugh on November 06, 2021
Categories: Technology and computing Databases
Rating: 4.3/5 (53 votes)
A DROP statement in SQL removes a component from arelational database management system (RDBMS). Syntax: DROP object object_name Examples: DROP TABLE table_name; table_name: Name of the table to be deleted. DROP DATABASE database_name; database_name: Name of the database to be deleted.
What is the difference between temp table and table variable? Temporary Tables are physically created in the tempdb database. These tables act as the normal table and also can have constraints, index like normal tables. Table Variable acts like a variable and exists for a particular batch of query execution. It is created in the memory database but may be pushed out to tempdb.
What is truncate table? In SQL, the TRUNCATE TABLE statement is a Data Definition Language (DDL)operation that marks the extents of a table for deallocation (empty for reuse). Typically, TRUNCATE TABLE quickly deletes all records in a table by deallocating the data pages used by the table.
Why do chiropractors use drop table? The chiropractor applies a quick thrust at the same time the section drops. The dropping of the table allows for a lighter adjustment without the twisting positions that can accompany other techniques. Instrument adjustments – often the gentlest methods_of adjusting the spine.
What is the use of temp table in SQL Server? Temporary Tables are a great feature that lets you store and process intermediate results by using the same selection, update, and join capabilities that you can use with typical SQL Server tables. The temporary tables could be very useful in some cases to keep temporarydata.
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