Posts

Showing posts with the label tibco-spot-fire

Featured Post

SQL Interview Success: Unlocking the Top 5 Frequently Asked Queries

Image
 Here are the five top commonly asked SQL queries in the interviews. These you can expect in Data Analyst, or, Data Engineer interviews. Top SQL Queries for Interviews 01. Joins The commonly asked question pertains to providing two tables, determining the number of rows that will return on various join types, and the resultant. Table1 -------- id ---- 1 1 2 3 Table2 -------- id ---- 1 3 1 NULL Output ------- Inner join --------------- 5 rows will return The result will be: =============== 1  1 1   1 1   1 1    1 3    3 02. Substring and Concat Here, we need to write an SQL query to make the upper case of the first letter and the small case of the remaining letter. Table1 ------ ename ===== raJu venKat kRIshna Solution: ========== SELECT CONCAT(UPPER(SUBSTRING(name, 1, 1)), LOWER(SUBSTRING(name, 2))) AS capitalized_name FROM Table1; 03. Case statement SQL Query ========= SELECT Code1, Code2,      CASE         WHEN Code1 = 'A' AND Code2 = 'AA' THEN "A" | "A

What is Tibco Spotfire - Visualization tool

Image
[Tibco online learning] When you start Spotfire for the first time, your first task is to load some data. This data can come from a file, a database, or even the clipboard. Data is at the heart of all analysis, and it's important that you know, not only how to load data into Spotfire, but also how data works. If you handle a lot of data in spreadsheet form, you will no doubt understand its content and meaning very well. You might even have developed advanced and insightful representations of your data. However, there is so much more you can do with Spotfire to improve the handling of this subject matter. Importing data into Spotfire is just the beginning. To progress into its rich analytic world, you will have to become familiar with the relational database model. You will have to learn some formal data concepts. We will therefore spend some time taking a look at some basic database principles to set you on your way to advance quickly beyond the limited world of the sprea