Microsoft SQL Skill Overview
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- Category: Information Technology > Database management system
Description
Microsoft SQL is a relational database management system developed by Microsoft. It's used to store, retrieve, and manipulate data in databases. Skills in Microsoft SQL range from understanding basic concepts like SQL queries and data types to more advanced tasks such as creating tables, using aggregate functions, and combining data from multiple tables with JOINs. As proficiency increases, users can handle transactions, optimize queries for better performance, and even design complex database schemas. Expertise in Microsoft SQL involves managing large databases, troubleshooting complex issues, and implementing advanced security features. This skill is essential for roles involving data analysis, software development, and database administration.
Expected Behaviors
Micro Skills
Familiarity with the purpose and use of SQL
Knowledge of basic SQL syntax
Understanding of SQL commands like SELECT, INSERT, UPDATE, DELETE
Awareness of the role of Microsoft SQL Server in data management
Basic knowledge of SQL Server Management Studio (SSMS)
Understanding of how to connect to a database in SQL Server
Understanding of what a database is
Familiarity with tables and records
Awareness of primary keys and foreign keys
Understanding of relational databases
Understanding of different data types like INT, VARCHAR, DATE, etc.
Knowledge of when to use which data type
Awareness of NULL values
Ability to write a basic SELECT statement
Understanding of how to filter results using WHERE clause
Knowledge of how to sort results using ORDER BY clause
Understanding of SELECT syntax
Ability to select specific columns
Usage of DISTINCT keyword to eliminate duplicate rows
Understanding of the FROM clause
Knowledge of comparison operators used in WHERE clause
Usage of logical operators in WHERE clause
Understanding of how to filter records using WHERE clause
Understanding of how to sort results by one or more columns
Usage of ASC and DESC keywords to sort results in ascending or descending order
Understanding of INSERT INTO syntax
Ability to insert a single row using INSERT INTO
Ability to insert multiple rows using INSERT INTO
Understanding of UPDATE syntax
Ability to update specific columns of a table
Usage of WHERE clause with UPDATE to specify which records should be updated
Understanding of DELETE FROM syntax
Ability to delete specific records using WHERE clause with DELETE FROM
Understanding of the risks of using DELETE FROM without WHERE clause
Understanding of different types of JOINs (INNER, LEFT, RIGHT, FULL)
Ability to use ON clause
Knowledge of using aliases for table names
Ability to group data by one or more columns
Understanding of HAVING clause
Knowledge of using aggregate functions with GROUP BY
Understanding of each function's purpose and usage
Ability to use these functions in combination with GROUP BY
Knowledge of DISTINCT keyword usage with these functions
Understanding of data types and constraints while creating tables
Ability to add, delete, modify columns in an existing table
Knowledge of renaming a table
Ability to write nested SELECT statements
Understanding of correlated subqueries
Knowledge of using subqueries in WHERE clause
Understanding of UNION and UNION ALL difference
Knowledge of the requirements for using UNION (matching number and data types of columns)
Ability to order the result set of a UNION
Understanding of CREATE PROCEDURE syntax
Ability to execute stored procedures
Understanding of procedure modification
Management of stored procedures
Knowledge of Atomicity
Understanding of Consistency
Understanding of Isolation
Understanding of Durability
Understanding of clustered indexes
Understanding of non-clustered indexes
Ability to create and drop indexes
Understanding of index fragmentation
Understanding of SQL Server components
Knowledge of SQL Server storage architecture
Familiarity with SQL Server execution model
Understanding of SQL Server memory architecture
Designing normalized database schemas
Implementing database schemas using T-SQL
Understanding of data integrity constraints
Ability to design and implement indexes
Understanding of SQL Server query optimizer
Ability to read and interpret execution plans
Usage of SQL Server profiling tools
Knowledge of index tuning and statistics
Understanding of partitioning strategies
Knowledge of backup and restore strategies
Ability to manage database files and filegroups
Understanding of high availability and disaster recovery options
Knowledge of different types of replication
Ability to set up and manage replication
Understanding of table partitioning
Ability to implement partitioning schemes
Ability to diagnose performance issues
Knowledge of SQL Server error logs and system views
Ability to troubleshoot connectivity issues
Understanding of deadlock issues and resolution
Understanding of SQL Server security model
Ability to manage permissions and roles
Knowledge of encryption and data masking
Understanding of auditing and compliance features
Tech Experts
StackFactor Team
We pride ourselves on utilizing a team of seasoned experts who diligently curate roles, skills, and learning paths by harnessing the power of artificial intelligence and conducting extensive research. Our cutting-edge approach ensures that we not only identify the most relevant opportunities for growth and development but also tailor them to the unique needs and aspirations of each individual. This synergy between human expertise and advanced technology allows us to deliver an exceptional, personalized experience that empowers everybody to thrive in their professional journeys.