Introduction of SQL language, including ANSI SQL, DB2, Oracle, MS SQL Servre, MySQL.
Welcome to a journey of SQL mastery! In the ever-evolving landscape of data management, having a strong command over SQL syntax is crucial. As you embark on this comprehensive guide for 2024 and beyond, you are about to explore the…
In this article, we’ll introduce some of the SQL elements that generate direct dataflows, which are the main archetypes of production dataflows. 1、Select Example statement: The data for the target column “eName” comes from the scott.emp.empName column, so we have…
In this article, we will introduce where-group-by clauses in Gudu SQLFlow indirect data flow. 1. column in the where clause Some columns in the source table in the WHERE clause do not affect the target columns, but are critical to…
An important foundational work in data governance is to analyze the data lineage in an organization. With complete data lineage, we can use it for data traceability, table and column change impact analysis, data compliance certification, data quality inspection, and more.…
Gudu SQLFlow Indirect Data Flow & Pseudo Columns Introduction This article describes some of the SQL elements that generate indirect data flow. Indirect data flow is typically generated by columns used in where clauses, group by clauses, aggregate functions, etc. To…
Gudu SQLFlow Data Flow Generation As one of the most popular data lineage tools, Gudu SQLFlow is a tool that automatically discovers data flow by analyzing SQL scripts. It shows the flow of data between tables/views and columns in a data…
Gudu SQLFlow With the development and popularization of big data technology, data governance and data quality have become more and more important for many organisations. Data lineage analysis has emerged and become increasingly popular in the industry and Gudu SQLFlow…
Grabit is a helper tool for collecting SQL scripts and stored procedures from various sources such as databases, revision systems like GitHub, bitbucket, and filesystems, and pushes them to SQLFlow server for analysis and generating metadata and data lineage. Grabit official…
Gudu SQLFlow Data Lineage Analysis Level Gudu SQLFlow is one of the most popular data lineage management tools available on the market today. It is a tool for automatically discovering data flow by analyzing SQL scripts. In order to meet the various…
In this article, we will give a brief introduction to SQLFlow data flow chain. If a result set of a subquery or CTE is used in the from clause of an upper statement, the effect of the lower result set…
