sql_dataengineering/Lessons/1.10/1.10_DataModelling.sql
2026-03-19 13:28:01 +03:00

42 lines
No EOL
643 B
SQL

SELECT
job_id,
job_title_short,
salary_year_avg,
company_id
FROM
job_postings_fact
LIMIT 10;
SELECT
company_id,
name
FROM
company_dim
LIMIT 100;
SELECT *
FROM information_schema.tables
WHERE
table_catalog='data_jobs';
SELECT *
FROM information_schema.columns
WHERE
table_catalog='data_jobs';
SELECT *
FROM information_schema.table_constraints
WHERE
table_catalog= 'data_jobs'
AND
constraint_type IN ('PRIMARY KEY', 'FOREIGN KEY');
SELECT *
FROM information_schema.key_column_usage
WHERE
table_catalog= 'data_jobs';
PRAGMA show_tables_expanded;
DESCRIBE job_postings_fact;