SQL : SQL Programming For Beginners

Open an SQL Server instance, connect with Windows or SQL authentication, then use the object explorer to create a new database like farmer catalog.

Create a table with the create table statement by naming the table, defining column data types, and establishing a primary key, illustrated by a customer table example.

Create a table with an autoincrement primary key for a person, define last name, first name, city, and age as not null, then insert records to observe auto-generated ids.

Master how to use the select statement to fetch data from a table, choosing all fields or specific columns, and apply select distinct to return unique values and avoid duplicates.

Learn to alter existing tables by adding, dropping, and modifying columns and constraints, with practical examples on a customer table such as adding email and changing data types.

Learn how to create and drop a database in a SQL Server instance using the drop database command, and verify results by refreshing the database tree.

Learn how to create a table in SQL by naming the table, defining columns with data types, and specifying a primary key, illustrated with a customer table example.

Discover dropping tables in a database with the drop table syntax, selecting the catalog, creating sample tables, executing commands, and refreshing the catalog to verify removal.

Compare primary keys and foreign keys to understand unique values. Show how a primary key identifies records and how a foreign key links child tables to the parent table.

Understand how to use the SQL insert into statement to add new records, choosing specific columns or all fields, ensuring matching columns and values and correct quoting.

Master how the update query modifies existing records in SQL programming for beginners, using the set clause to update one or more fields, with the where clause targeting specific rows.

Learn to perform selective deletes in sql with delete from table where age >= 30, verify results using select all from the table, and ensure correct database and table naming.

Learn to filter data with SQL select and where clause by comparing table setups, professions, and age conditions to derive clearer insights.

Learn to filter data using the where and clause in SQL, applying multiple conditions on profession, age, and availability with a sample table.

Master the or clause to filter the persons table by age greater than 35 or city Bangalore, returning last name, age, and city.

Learn to create aliases with the as keyword for tables and columns. Use column aliases such as salary as sal and apply table aliases to shorten references in queries.

Learn to compute sum and average salaries in SQL using aliases, filtering by city (Bangalore or Chennai). See how removing the city filter yields the total sum and average.

Explore how to use min, max, and mean functions in sql with city-specific and overall salary aggregations, including examples for Bangalore, Chennai, and all cities.