couchbase write performance

High-performance SQL statements can improve the efficiency of the page execution, so that your server run more smoothly, so everyone in the future use of the process, as far as possible to consider the efficiency.(1) integration of simple, unrelated database access:If you have a fewSimple database query statements, you can integrate them into a query (even if they are not related)(2) Delete duplicate records:The most efficient method of deleting dupli

returned 05. Address information functionsA socket-attached socket address and a remote socket addressint getsocketname (int sockfd,struct sockaddr address,socklen_t Address_len)int getpeername (int sockfd,struct sockaddr address,socklen_t Address_len)6.socket OptionsFcntl system call is a generic POSIX method for controlling file descriptor propertiesMethods for setting socket file descriptor properties specificallyint getsockopt (int sockfd,int level,int option_name,void option_value,socklen_

. CSS (' Color ', ' Blue ');}); Recommended $first. On (' click ', Function () { $first. css ({ ' border ': ' 1px solid red ', ' color ': ' Blue ' });5. Using linksBad $second.html (value); $second. On (' click ', Function () { alert (' Hello Everybody ');}); $second. FadeIn (' slow '), $second. Animate ({height: ' 120px '},500);//Recommended $second.html (value); $second. On (' click ', function () { alert (' Hello Everybody ');}). FadeIn (' slow '). Animate ({height:

; "Src=" https://s3.51cto.com/wyfs02/M01/97/D8/wKiom1kz3snRqVYNAAC2kxZJdOM110.png-wh_500x0-wm_ 3-wmp_4-s_2174281169.png "title=" qq picture 20170604181855.png "alt=" Wkiom1kz3snrqvynaac2kxzjdom110.png-wh_50 "/>Because of the scholarship, the great god please more guidance, thank you, would like to directly want to insert the results into Excel, is still in the study, such as the Great God, please enlighten me, thank you.This article is from a "glass of water" blog, please be sure to keep this so

Tags: database data storageReceive company tasks, 3 single-machine databases of the same user are to be merged. Then the library module was completed on the basis of the previous functions. The actual guide to the library, found that the speed is getting slower. A total of 1700 items, initially, 1 hours and 200 items; hours later, 90 minutes 200 items; After one day, 1 hours 50 items; hours, 1 hours, 10 items.Urgent, call the database administrator. He asked me to look at the V$session_event wat