Cases
Read our customer cases below to see how Kefid help customers reduce costs and improve margins. Contact our regional sale manager to learn more details.
250tph limestone crushing line in Kenya
Material : limestone
Output size : 0-6-12-20-30-50mm
Max feed size : 700mm
Capacity : 200-250tph
Application country : Kenya
Material : limestone
Output size : 0-6-12-20-30-50mm
Max feed size : 700mm
Capacity : 200-250tph
Application country : Kenya
Process Description
This design is a 2 stage crushing process, primary jaw crusher, secondary impact crusher and the vibrating screen. We apply the impact crusher as the secondary crusher is because the limestone is not hard and easy to crush. Meanwhile, the output sizes quality is all cubic shape and good continuous grade, suitable for highway construction. The clients required 5 kinds final products, and we apply 2 sets vibrating screen to make that. The impact crusher is the European tech hydraulic type, easy to operate, and high capacity.
Performance
1. Hammer is made of high chrome;
2. Liner board is made of wearable materials;
3. Specially designed tooth impact plate;
4. Excellent cubical final product and high ratio of reduction.
SQL Server's built-in aggregate functions (eg,AVG, COUNT, MAX, MIN, SUM) are admittedly useful, , as I did with the cursor-based and pivot-based solutions ....
Both cursor-based records in an aggregate assignment must be based on the same cursor...
Aggregate functions can be useful and are quite simple to use In this chapter from =Summarizing+Data+Results+from+a+Query_2468329">SQL in 24 Hours, Sams Teach Yourself, 6th EditionPGA_AGGREGATE_LIMIT - Biju's Oracle Notes
Program Global Area (PGA) in Oracle database is a private memory region that contains the data and control information for a server process PGA is allocated per server process, used for storing run-time area of cursor, sorting, bitmap merge, etc Automatic PGA management in Oracle Database was ....
Pivot with out aggregate , in the earlier versions we used to perform this through using cursors and temp tables which takes a lot of I/O Starting with SQL ....
Cursor for aggregate function : Cursor Declaration « Cursor « Oracle PL/SQL Tutorial , Cursor for aggregate function: java2s | Email:info at java2s ....
I cannot aggregate all o , Memory leak in ArcGIS aggregate points/buffer/Addfield/cursor? up vote 5 down vote favorite 1 , Update cursor ....
If a callback is passed, the aggregate is executed and a Promise is returned , The cursor() function triggers pre find hooks, but not post find hooks Example...
A common reporting scenario is that your report has to concatenate an aggregate of string values from rows Many other database platforms even have built-in aggregate functions that will concatenate text for you (like LISTAGG() on Oracle)...
With this method you can execute Aggregation Framework pipelines and retrieve the results through a cursor, instead of getting just one document back as you would with MongoCollection::aggregate()...
GitHub is where people build software More than 27 million people use GitHub to discover, fork, and contribute to over 80 million projects...
This tutorial shows you how to use the Aggregate Persistence Wizard to create and model aggregate tables to increase query performance by precalculating frequently accessed measure aggregations Place the cursor over this icon to load and view all the screenshots for this tutorial (Caution: This ....
A PL/SQL cursor is used to retrieve and process zero or more rows of data There are a number of steps to use a cursor and depending on how you ....
Answer to In the year 2020, aggregate demand and aggregate supply in the fictional country of Drooble are represented by the curve....
With this method you can execute Aggregation Framework pipelines and retrieve the results through a cursor, instead of getting just one document back as you would with MongoCollection::aggregate()...
The data volume of big data table is usually quite huge, which makes it impossible to retrieve all data in the big data table In view of this, the data....
Close the cursor, sending a AggregationCursor , { // Execute aggregate, notice the pipeline is expressed as an Array var cursor = collectionaggregate ....
This tutorial helps you understand how the Oracle aggregate functions work and show you how to use them to calculate aggregat...
I can use rewind() on find() cursors but can't do the same for aggregate cursors I'll get a returned array as expected for the first step "type"...
String Aggregation in the World of SQL , Using of a cursor itself causes reduced efficiency of query , Concatenating Strings with a Custom SQL Aggregate Function...
There is a new default in town Mark my words, you will encounter the following during your 12c life-cycle, 😉 From the Oracle 12c Reference manual PGA_AGGREGATE_LIMIT: PGA_AGGREGATE_LIMIT PGA_AGGREGATE_LIMIT specifies a limit on the aggregate PGA memory consumed by the instance...
Welcome to the Oracle Tutorial website! If you are looking for learning Oracle Database from scratch, you are at the right place On this ,...
Aggregate data from MongoDB with Nodejs and mongoose Raw , we first have to take aggregate with $sum of , how to you pass in optional arguments like cursor and ....
Aggregate functions can be useful and are quite simple to use In this chapter from =Summarizing+Data+Results+from+a+Query_2468329">SQL in 24 Hours, Sams Teach Yourself, 6th EditionSQLite Query Language: Aggregate Functions
The aggregate functions shown below are available by default Additional aggregate functions written in C may be added using the sqlite3_create_function() API In any aggregate function that takes a single argument, that argument can be preceded by the keyword DISTINCT...
Aggregations grew out of the facets module and the long experience of how users use it , Facets provide a great way to aggregate data within a document set context...
The HAVING clause specifies a search condition for the groups , you can specify aggregate functions in a HAVING clause , These clauses make it a read-only cursor...
(This cannot be seen, except by noting whether the cursor can be placed on the subsequent line) , This is the overall aggregate timeout, not per sample Y...
Cursor for aggregate function : Cursor Declaration « Cursor « Oracle PL/SQL Tutorial , Cursor for aggregate function: java2s | Email:info at java2s ....
Hi, First time poster here, I'm having problems with an update statement at the moment, with an error I've not seen before and despite searching cannot ,...