Oracle SQL: Row locking on select statement
The objective of this post is to explain how to lock a record on a Oracle Database, using a select statement.
SQL
SQL Developer: Executing queries in different transactions
The objective of this post is to explain how to execute queries in different transactions using SQL developer.
Oracle SQL: Least and greatest values across columns
The objective of this post is to explain how to obtain the least and the greatest values across the columns of a table, in Oracle SQL.
Oracle SQL: Order by list of values
The objective of this post is to explain how to perform the ordering of a table in Oracle SQL, using a list of values.
Pythonanywhere: Accessing the MySQL database
The objective of this post is to explain how to access the MySQL database of a free Pythonanywhere account and perform some simple tests.