enum approaches look pretty much the same for a human eye. On the other hand, the integer is not human-readable. Then you see status=1, you have no way to say what status is just by looking into the database, and you have to keep the mapping between numbers and words in your code...
In MySQL 9.0, this restriction is relaxed slightly, so that a subquery containing LIMIT 1 can now be transformed in this way. The LIMIT clause must use only a literal 1. If the LIMIT clause contains any other value, or if it uses a placeholder (?) or variable, the subquery cannot ...
What is MySQL? SQL is one of the most important tools for programmers and developers. Learn more about the MySQL platform today.
- csharp - python - go os: type: string enum: - windows - linux instanceSize: type: string enum: - small - medium - large environmentType: type: string enum: - dev - test - prod replicas: type: integer minimum: 1 required: ["appId", "language", "environmentType"] required: ["...
EnumMap: EnumMap is a specialized implementation of the Map interface that is used with enum keys. It offers high performance and type safety when working with enums as keys, thus providing efficient storage and retrieval. Benefits of HashMaps in Java Some of the benefits that HashMaps offer...
Another thing to be aware of is that MySQL 8.0 has introduced an auto-upgrade mechanism. As of MySQL 8.0.11, the server version is written to the data dictionary tablespace. When the server starts, it will compare the server version number found in the mysql.ibd file (source) with its ...
Data Types in Typescript TypeScript introduces the concept of data types, which is not present in JavaScript. Data types help you to specify the type of data that a variable, constant, or function should hold or return. This helps to catch any type-related errors at the early stages of ...
So, our first benchmark is simple: we need to get 5 names of cities, located in Minnesota and, to make things slower, we'll take those records starting from record #10000 making MySQL to discard first 10000 records. 1) Results for ENUM: ...
I need to set a property on Form to return a SelectedItem of a ComboBox on that Form but don't know exactly what Data Type it is. I currently have the following property... public object m_StatusFilter { get { return cmbSnagFiltersStatus.SelectedItem; } } But on the Form that call...
This section describes 'enum' types, which are defined by 'enum' declaration statements. An 'enum' type is actually a special kind of class type.