Contents
When to use descriptive names in SQL schema?
Use Simple, Descriptive Column Names If the users table needs a foreign key to the packages table, name the key package_id. Avoid short and cryptic names like pkg_fk; others won’t know what that means. Descriptive names make it easier for others to understand the schema, which is vital to maintaining efficiency as the team grows.
How are table and column names in a database?
I wouldn’t rely on Microsoft for any standard – if you look at their northwind database you’ll see they use Plural Tables, Singular Column Names, Schema Prefixes for Tables, Table Prefixes for Primary Key Columns, Hungarian-esque Constraint Prefixes and worst of all SPACES ” ” for multi-word table names.
Is it bad to ignore the rules of database design?
Ignoring these goals will lead to designs that are flawed in their basics, although structurally and mathematically correct. Designing a database is not a deterministic task; two database designers may follow all the rules and normalization principles for a given problem, and in most cases they will generate different data layouts.
Why do Database designers need to make special considerations?
Special considerations must be made by the designers in order to keep the efficiency and usability of the database, if data volumes are to be big.
What’s the best way to write a SQL schema?
Avoid short and cryptic names like pkg_fk; others won’t know what that means. Descriptive names make it easier for others to understand the schema, which is vital to maintaining efficiency as the team grows. Don’t use ambiguous names for polymorphic data.
Which is the best schema shape to query?
Pivot the table into a schema that doesn’t have duplicated columns – this schema shape will be a lot easier to query. For example, getting the number of completed answers for a survey: For analysis queries, extracting data from JSON columns can greatly degrade a query’s performance.
When to use smart type matching code completion?
Smart type-matching code completion filters the suggestions list and shows only the types applicable to the current context. Type-matching completion is useful in situations when it is possible to determine the appropriate type: