How to Format SQL Views: CREATE VIEW Structure and Best Practices

By Sharon Ben-Moshe · October 12, 2026 · 1 min read

Sharon Ben-Moshe is the founder of sqlfmt, a browser-based SQL formatter and validator with misspelled-keyword suggestions across PostgreSQL, MySQL, SQLite, SQL Server, and BigQuery.

Learn how to format CREATE VIEW statements for long-term maintainability. Master explicit column lists, CTE encapsulation, and schema qualification.

Quick answer

Format CREATE VIEW statements by always declaring explicit column lists, qualifying schemas (schema.view_name), never using SELECT *, and encapsulating multi-step logic with CTEs. Formatting the underlying SELECT query identically to standalone SQL queries ensures that team members can debug and test the view logic independently.

FAQs

Why should I avoid SELECT * in SQL views?

Using SELECT * creates brittle views. If the underlying table schema changes (columns added, reordered, or renamed), many database engines do not automatically recompile view column mappings, leading to misaligned or corrupt query results.

What is the difference between a standard view and a materialized view?

A standard view is a saved query that re-executes dynamically on every read. A materialized view pre-computes and physically stores the query results on disk, offering much faster read performance at the expense of needing periodic refreshes.

Can views accept parameters in SQL?

No, standard SQL views do not accept parameters. If you need parameterized inputs, use a Table-Valued Function (TVF) or a stored procedure instead.

Should view names have a prefix like vw_?

Many legacy teams used `vw_` or `v_`, but modern SQL style guides recommend semantic naming (e.g., `active_subscriptions` or `reporting_monthly_revenue`) unless your database catalog lacks namespace separation.

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Key takeaways

Never use SELECT * inside a view; always specify explicit, alias-documented column names.

Qualify the view and underlying tables with their explicit schema names (e.g., reporting.monthly_sales).

Structure complex multi-join view logic using CTEs to document business transformations.

Include header comments describing the business owner, update frequency, and downstream dependencies.

Production-grade CREATE VIEW formatting template

Here is how to structure a clean, maintainable view definition for production reporting:

Formatted CREATE VIEW with CTE and explicit column names

-- Description: Monthly active customer summary for executive dashboards
-- Owner: Data Platform Team
-- Dependencies: core.customers, core.orders
CREATE OR REPLACE VIEW reporting.customer_monthly_summary AS
WITH base_orders AS (
  SELECT
    customer_id,
    DATE_TRUNC('month', order_date) AS order_month,
    order_amount
  FROM core.orders
  WHERE status = 'completed'
),
aggregated_orders AS (
  SELECT
    customer_id,
    order_month,
    COUNT(*) AS order_count,
    SUM(order_amount) AS total_spend
  FROM base_orders
  GROUP BY customer_id, order_month
)
SELECT
  c.id AS customer_id,
  c.email AS customer_email,
  c.country_code,
  ao.order_month,
  ao.order_count,
  ao.total_spend
FROM core.customers c
INNER JOIN aggregated_orders ao
  ON c.id = ao.customer_id;

Common view formatting mistakes to avoid

Nesting views on top of views: this leads to severe performance degradation as the query optimizer struggles with redundant joins and unpruned projections.

Adding ORDER BY inside the view definition: standard views should not enforce ordering unless combined with pagination; callers should control sorting.

Omitting schema prefixes: unqualified table names resolve against the current user's search path, risking wrong table lookups across tenants.

How to Format SQL Views: CREATE VIEW Structure and Best Practices

Quick answer

FAQs

Why should I avoid SELECT * in SQL views?

What is the difference between a standard view and a materialized view?

Can views accept parameters in SQL?

Should view names have a prefix like vw_?

Building an Enterprise SQL Style Guide: Formatting Standards, Linting, and Team Conventions

The Master Guide to SQL Common Table Expressions (CTEs): Syntax, Optimization Fences, and Recursion

How to Format Recursive CTEs in SQL: Hierarchical Query Structure

Key takeaways

Production-grade CREATE VIEW formatting template

Common view formatting mistakes to avoid

Official references

Quick answer

FAQs

Why should I avoid SELECT * in SQL views?

What is the difference between a standard view and a materialized view?

Can views accept parameters in SQL?

Should view names have a prefix like vw_?

Keep reading

Building an Enterprise SQL Style Guide: Formatting Standards, Linting, and Team Conventions

The Master Guide to SQL Common Table Expressions (CTEs): Syntax, Optimization Fences, and Recursion

How to Format Recursive CTEs in SQL: Hierarchical Query Structure

Key takeaways

Production-grade CREATE VIEW formatting template

Common view formatting mistakes to avoid

Related SQL guides

Official references