what is difference between megabytes and kilobytes

requires timeliness. It takes tens of seconds for the customer to save a sum of money, which requires the database to store data for a short period of time. The analysis system is post-event. It must provide all valid data within the specified time period. The data is massive, and the aggregation and calculation are slower. However, as long as the data can be effectively analyzed, the goal

, it can ensure the communication performance requirement between subnets, on the other hand, save the investment of switch. Of course, if the communication between the subnets is not very frequent, the use of routers is understandable, but also to achieve the subnet security isolation and communication purposes. Specific according to the actual needs to be determined. The most important

VARCHAR (n)Variable-length, non-Unicode character data with a length of n bytes. n must be a numeric value between 1 and 8,000. Storage size is the actual length of bytes of input data, not n bytes.nvarchar (n)A variable-length Unicode character data that contains n characters. The value of n must be between 1 and 4,000. The storage size of bytes is twice times the number of characters entered.Two fields ha

What is the difference between a server and a normal computer? Common 1U Servers What is a server? First we look at the professional server is how to define, the server is a high-p

What is the difference between the exec function and the shell_exec function in PHP? execshell_exec Both of these functions execute Linux Command functions. The difference is that the returned results are different. exec can only obtain the last row of data, while shell_exec

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: Rx 470D is rx 470 and then castrated. Like RX 480, which is the same as RX 470, the Rx 470D is a block of streaming processors on the basis of RX 470, as shown in the following illustration. Interpretation of the specification: shielding routines are completely unchanged, RX 480 minus 1 Group flow processor (256), minus 16 texture units become RX 47

What is the difference between urllib and urllib2 modules of python? You might be intrigued by the existence of two separate URL modules in Python-UrllibAndUrllib2. Even more intriguing: they are not alternatives for each other. So what is the differenceUrllibAndUrllib2, A

AMD and inteCPU is not just L2The main difference is thatLet's take a look .----------------------------------------------------- The CPU processing performance should not be viewedClock speed, while Intel isIs based on a considerable numberPeople do not know about CPU,The practice of using a longer PipelineTo increase the frequency, thus misleadingA considerable

What is the difference between the COOKIE sent by the browser's HTTP request and the COOKIE planted by the PHPsetcookie function? Can the two cookies be viewed in the browser-> webpage information-> website COOKIE display? What is the di