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Programming & Development Database Design & Administration

SQL skills, Xpath, Data Analytics

$15/hr Starting at $30

SQL Skills:

- Proficient in writing complex SQL queries using joins, subqueries, and functions

- Experience with database design and normalization, including experience with creating tables, indexes, and constraints

- Familiar with common database management systems, such as MySQL and MS SQL Server

- Experience with data manipulation, including inserting, updating, and deleting data

- Skilled in data analysis and problem-solving, with the ability to troubleshoot and optimize slow

-performing queries

- Proficient in using tools such as SSMS and MySQL Workbench for database management and administration tasks


XPath Skills:

- Proficient in using XPath to extract data from XML documents

- Experience with navigating and manipulating XML documents using XPath axes, predicates, and functions- Skilled in writing complex XPath expressions to select specific elements, attributes, and text nodes from an XML document

- Familiar with common tools and libraries for evaluating and testing XPath expressions, such as XPath Evaluator and XPath Tester

- Experience with using XPath in conjunction with other technologies, such as XSLT and DOM

- Able to troubleshoot and debug XPath issues, and optimize XPath expressions for performance


Data Analytics Skills:

- Proficient in using data analysis tools such as Excel, R, and Python for data exploration, visualization, and modeling

- Skilled in using statistical techniques such as hypothesis testing, regression analysis, and machine learning algorithms to analyze and interpret data

- Experience with data cleaning and preprocessing, including handling missing values and outliers, and dealing with large and complex datasets

- Proficient in using SQL to extract and manipulate data from databases

- Experience with data visualization tools such as Tableau and skilled in creating clear and effective visualizations to communicate insights and findings

- Strong problem-solving and critical thinking skills, with the ability to identify patterns and trends in data, and draw meaningful conclusions from it

About

$15/hr Ongoing

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SQL Skills:

- Proficient in writing complex SQL queries using joins, subqueries, and functions

- Experience with database design and normalization, including experience with creating tables, indexes, and constraints

- Familiar with common database management systems, such as MySQL and MS SQL Server

- Experience with data manipulation, including inserting, updating, and deleting data

- Skilled in data analysis and problem-solving, with the ability to troubleshoot and optimize slow

-performing queries

- Proficient in using tools such as SSMS and MySQL Workbench for database management and administration tasks


XPath Skills:

- Proficient in using XPath to extract data from XML documents

- Experience with navigating and manipulating XML documents using XPath axes, predicates, and functions- Skilled in writing complex XPath expressions to select specific elements, attributes, and text nodes from an XML document

- Familiar with common tools and libraries for evaluating and testing XPath expressions, such as XPath Evaluator and XPath Tester

- Experience with using XPath in conjunction with other technologies, such as XSLT and DOM

- Able to troubleshoot and debug XPath issues, and optimize XPath expressions for performance


Data Analytics Skills:

- Proficient in using data analysis tools such as Excel, R, and Python for data exploration, visualization, and modeling

- Skilled in using statistical techniques such as hypothesis testing, regression analysis, and machine learning algorithms to analyze and interpret data

- Experience with data cleaning and preprocessing, including handling missing values and outliers, and dealing with large and complex datasets

- Proficient in using SQL to extract and manipulate data from databases

- Experience with data visualization tools such as Tableau and skilled in creating clear and effective visualizations to communicate insights and findings

- Strong problem-solving and critical thinking skills, with the ability to identify patterns and trends in data, and draw meaningful conclusions from it

Skills & Expertise

AnalyticsData ManagementDatabase AdministrationMySQLPythonSQLXML

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