Learn MS SQL with Free Lessons & Tips

PL/SQL is tightly integrated with SQL, the most widely used database manipulation language. For example: PL/SQL lets you use all SQL data manipulation, cursor control, and transaction control statements, and all SQL functions, operators, and pseudocolumns. PL/SQL fully supports SQL data types.

1. Download the starter data set.
2. Use the Database Inspector.
3. Read data with a SELECT statement.
4. SQL SELECT statement.
5. Read email data using a SELECT statement.
6. Use SELECT statements with aggregate functions and distinct values.
7. Reduce columns with aggregate functions.

Referential integrity is a term used in database design to describe the relationship between two tables. It is important because it ensures that all data in a database remains consistent and up to date. It helps to prevent incorrect records from being added, deleted, or modified.

Data Integration & SQL on PandasDuckDB is fully capable of running queries in parallel directly on top of a Pandas DataFrame (or on a Parquet/CSV file, or on an Arrow table, …). A separate (time-consuming) import step is not necessary. DuckDB can also write query results directly to any of these formats

1. Opening a database file. In order to open a database file, click “Open Database” (or find it under the 'File' menu). ...
2. Writing SQL queries. DB Browser supports writing SQL queries directly under the “Execute SQL” tab. ...
3. Running SQL queries from a file.

1. Install SQL Server.
2. Install Analysis Services (SSAS)
3. Install Integration Services (SSIS)
4. Install Reporting Services (SSRS)
5. Download SQL Server Management Studio (SSMS)
6. Download SQL Server Data Tools (SSDT)
7. Download Azure Data Studio.