Postgres already has an implicit naming convention in place, which goes like this: {tablename}_{columnname(s)}_{suffix} pkey for primary key constraints. Flyway requires the migrations to follow a naming convention, V{number}__helpful_title_for_migration.sql Sometimes it's necessary to manually specify a constraint name, which should then ideally follow some sort of naming convention or pattern. Most of the recommendations should be equally valid for other relational databases such as MySQL, Oracle, or Microsoft SQL Server. This also applies to schema-less databases, distributed systems databases, graph, time series, or whatever else I am working with. PostgreSQL Naming Rules. Our company, JackDB, uses PostgreSQL internally to store persistent state and the naming conventions in this post were written with PostgreSQL in mind. Every table has a name, every column has a name, and so on. When you create an object in PostgreSQL, you give that object a name. Tip: When you create many interrelated tables it is wise to choose a consistent naming pattern for the tables and columns. PostgreSQL uses a single data type to define all object names: the name type. We have some stored procedures with 20 parameters and it would be painful to work with $1, $17 etc etc – uriDium Aug 4 '14 at 13:27 A schema named as the notified fiware-service header value (or, in absence of such a header, the defaulted value for the FIWARE service) is created (if not existing yet). When you create an object in PostgreSQL, you give that object a name. Top. I want to know what the naming convention is for named parameters or how people avoid column name and value ambiguity. Users can also define their own data types. Just as we start by defining the Java model, in code-first migration approach, we write the SQL schema and apply it to the PostgreSQL database. A database contains one or more named schemas, which in turn contain tables.Schemas also contain other kinds of named objects, including data types, functions, and operators. PostgreSQL databases name length is limited to 63 characters. PostgreSQL schemas naming conventions. Every table has a name, every column has a name, and so on. PostgreSQL includes a sizable set of built-in data types that fit many applications. In this post I've put together some of the naming conventions, rules, and ideas that I tend to follow when creating database schemas to work with. (I'm always interested in the generally-accepted practices of related professions; when I can, I try to make my work as compatible with theirs as possible.) SQL Schema Naming Conventions. In many languages, naming conventions (of identifiers) is not really relevant, because the way the language designs namespacing, there is relatively little risk for conflict. 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