One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or the database is slow. In the ...

For detailed statistics, you had to run the TKPROF utility. We can now get the execution plan and trace information for any SQL statement very quickly and easily with a few SQL*Plus commands.

Spark SQL: Apache’s Spark project is for real-time, in-memory, parallelized processing of Hadoop data. Spark SQL builds on top of it to allow SQL queries to be written against data.

Prepared statements avoid the process of compiling, parsing and running a stored procedure or inline SQL statement in your code. The PHP prepared statement function speeds up the application ...

If the application does not take care to protect itself against SQL injection attacks, the query it constructs will include the attacker's code, and the database will run both queries together.

You can also add reporting on statements and the last run SQL statement. This feature is typically used in a support mode, where the DBA can turn on tracking either in the lab or at a customer ...

As such, you will work with real databases, real data science tools, and real-world datasets. You will create a database instance in the cloud. Through a series of hands-on labs, you will practice ...

When your SQL query is ready, you can run the query immediately or you can add a title, change its options, limit its output, and so on, to make the report look better. See Viewing the SQL Code, ...

Successful exploitation of these vulnerabilities can let remote attackers run SQL statements via SQL injection, execute arbitrary code via command injection, and bypass security restrictions by ...

One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or the database is slow. In the ...