Debugging - logging database queries

1. How do I debug a database query?
2. How do I enable SQL logging?
3. Can we debug SQL query?
4. How do I log in to Typeorm query?
5. How would you debug badly performing SQL query?
6. How do I debug a large SQL query?
7. How do I view SQL error logs?
8. How do I view database logs?
9. What debugging means?
10. How do I debug sp?
11. How do I test a stored procedure in SQL?

How do I debug a database query?

To debug a database object, follow these procedures in this order:

1. Enable SQL Server debugging on your test project.
2. Enable application debugging on the SQL Server instance that hosts the database you are testing.
3. Set breakpoints in the Transact-SQL script of the database object(s) you are debugging.

How do I enable SQL logging?

To enable temporary SQL logging:

1. Go to > General Configuration > Logging and Profiling.
2. Choose Enable SQL Logging.

Can we debug SQL query?

Within SQL 2008 a debug option is introduced in the SQL Server Management Studio (SSMS). It is the green arrow. In previous versions of SSMS, this green button is the execute button. ... Now we will start debugging this query.

How do I log in to Typeorm query?

You can enable logging of all queries and errors by simply setting logging: true in your connection options:

1. name: "mysql", ...
2. import createConnection from "typeorm"; import MyCustomLogger from "./logger/MyCustomLogger"; ...
3. import createConnection, getConnectionOptions from "typeorm";

How would you debug badly performing SQL query?

Debugging SQL Server Performance

1. Check SQL Server Configuration. ...
2. Make Sure Snapshot Mode Is On. ...
3. Check Database Indexes. ...
4. Avoid Fragmentation. ...
5. Run Missing Index Report. ...
6. Monitor Database Sessions. ...
7. Use Windows Resource Monitor. ...
8. Identify Slow Queries.

How do I debug a large SQL query?

The first step is to unravel SQL code. Select queries (as well as insert, delete, and update statements) can be nested. We separate the levels of nesting, testing logic from the inside out. We substitute representative values into correlated sub queries so that they can execute on their own.

How do I view SQL error logs?

View the logs

1. In SQL Server Management Studio, select Object Explorer. ...
2. In Object Explorer, connect to an instance of SQL Server, and then expand that instance.
3. Find and expand the Management section (assuming you have permissions to see it).
4. Right-click SQL Server Logs, select View, and then choose SQL Server Log.

How do I view database logs?

View Log Files

1. In Object Explorer, expand Management.
2. Do either of the following: Right-click SQL Server Logs, point to View, and then click either SQL Server Log or SQL Server and Windows Log. Expand SQL Server Logs, right-click any log file, and then click View SQL Server Log. You can also double-click any log file.

What debugging means?

Definition: Debugging is the process of detecting and removing of existing and potential errors (also called as 'bugs') in a software code that can cause it to behave unexpectedly or crash. ... Sometimes it takes more time to debug a program than to code it.

How do I debug sp?

Debugging a stored procedure

1. On the Debug toolbar, click. Start Debugging or press Ctrl + F5. Note: ...
2. To set a breakpoint, use one of the following options: On the Debug toolbar, click Breakpoints. ...
3. To stop the debugging process, click. Stop Debugging on the Debug toolbar or press Shift + F5.
4. To proceed with debugging, click. Continue or press Ctrl + F5.

How do I test a stored procedure in SQL?

A typical SQL unit testing scenario is as follows:

1. Create a database object to meet some business requirement.
2. Create a SQL unit test to check the database object.
3. Run SQL unit test to check the database object does the job or not.
4. If the test is passed then move on to the next SQL unit test.