Best practices for SQL varchar column length [closed]

Best practices for SQL varchar column length [closed]

mysql sql sql-server postgresql

postgresql

What is the PostgreSQL equivalent for ISNULL()

sql-server postgresql null

postgresql

What resources exist for Database performance-tuning? [closed]

mysql sql-server database oracle postgresql

postgresql

How to get difference of days/months/years (datediff) between two dates?

sql-server postgresql date sql-date-functions

postgresql

How to do a Postgresql subquery in select clause with join in from clause like SQL Server?

sql sql-server postgresql subquery

postgresql

Online SQL syntax checker conforming to multiple databases [closed]

mysql sql-server oracle postgresql

postgresql

Relationship between catalog, schema, user, and database instance

mysql sql-server oracle postgresql db2

postgresql

How to declare local variables in postgresql?

sql-server postgresql migration

postgresql

How to migrate a PostgreSQL database into a SQLServer one?

sql-server database postgresql migration

postgresql

Adding named foreign key constraints in a SQL Create statement

sql sql-server postgresql constraints create-table

postgresql

Database that can handle >500 millions rows

sql-server database postgresql

postgresql

Postgres Case Sensitivity

sql sql-server postgresql

postgresql

How to properly index a many-many association table?

sql sql-server postgresql many-to-many query-optimization

postgresql

SQL: Repeat a result row multiple times, and number the rows

mysql sql sql-server oracle postgresql

postgresql

migrate data from MS SQL to PostgreSQL?

sql-server postgresql migration

postgresql