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What records the amount of current used by a circuit?

An ammeter.


If a large table contains thousands of records and the application is accessing half of the table which method do you use index searching or full table scan?

Generally, if a select is accessing half of a table it will do a table scan. With thousands of records that should not slow it down much. If you were talking millions of records that might be a different story.


Where union keyword used?

The UNION keyword is commonly used, as part of a SELECT statement in the SQL language, to combine two tables, which must have identical or at least compatible structures, vertically. That is, records from BOTH tables are placed into a single result table. If, for example, each table has 1000 records, the resulting table would have 2000 records - assuming there are no duplicates.


How long must records of process safety analysis be kept?

for the life of the process


Join query in sql server 2005?

Join query are basically of three types : 1) Cross Join -- That is use to retrieve data from two tables on a condition (optional), there we get m*n no. of records(m is no of rec in first table and n is the no. of records in another table) 2) Inner Join : we use this join to retrieve values from two tables that satisfies given matching condition : as :: select Product_Category from Product_Detail INNER JOIN Product_Scenerio ON Product_Detail.Product_Id = Product_Detail.Product_Id. Product_Scenerio . 3) Outer Join : this is used in three way: a) Left Outer Join -- it is used to retrieve records from both tables that satisfies given condition including all records from left(First) table whether it do not satisfy condition ...try it practically ** related columns in right table has NULL values in records b) Right Outer Join :: It is used when we want to fetch all records from right(second) table whether that do not match with condition specified with JOIN . ** related columns in right table has NULL values in records c) Full Outer Join :: It is combination of Inner join + left Outer join + right Outer join .Here we get all records from both tables that do not match condition .

Related Questions

When were vinyl records made?

Vinyl Records were made in way back in 1888-1889


Are birth records made public?

Yes, birth records are considered public records.


How many records have been made worldwide?

Over 12 billion records have been made worldwide.


Find an arrest was made?

Records of arrest are public records. Call the agency you believe made the arrest and ask.


List of records made by sachin tendulkar?

you better visitwww.cricinfo.com and then click on PLAYER COMPARISON for the records made by the player


What were master records made of?

they were made of wax that was pressed.


What has the author Samuel G Woods written?

Samuel G. Woods has written: 'Animal Records - Amazing Book of Bird Records (Animal Records)' 'Kids Clothes' 'Made in the USA - Pogo Sticks (Made in the USA)' 'Made in the USA - Recycled Paper (Made in the USA)' 'Animal Records - Amazing Book of Reptile & Amphibian Records (Animal Records)' 'Sorting Out - Worms and Other Invertebrates (Sorting Out)' 'Chocolate' 'Animal Records - Amazing Book of Fish Records & Other Ocean Creatures (Animal Records)' 'Mammals (Sorting Out) (Sorting Out)' 'Everything You Need to Know About Std' 'Made in the USA - Guitars (Made in the USA)' 'Crayons from start to finish' -- subject(s): Crayons, Juvenile literature


What invention did Egyptians develop which made keeping records in hieroglyphics easier?

What material did Egyptians develop which made keeping records easier.


Who made usher famous?

LaFace Records


How many records have dmx made?

7


How are gramophone records made?

Early gramophone records where made from a wax master, which was engraved directly by the sound waves of the audio source in an analogue direct fashion, using a reversed horn. From the wax master a mould was made, which was used to mechanically "press" gramophone records - originally made from Shallac.


When was the first flat record made?

The first flat records were made in 1895. :)