schema-modification – CodeRavo

Modifying Primary Keys in Existing SQL Tables

Modifying Primary Keys in Existing SQL Tables Primary keys are fundamental to relational database design, ensuring … Modifying Primary Keys in Existing SQL TablesRead more

alter table, constraint, data integrity, database, primary-key, schema-modification, SQL

Modifying Existing Columns to Include Identity Properties

In database design, it’s common to encounter situations where an existing column needs to be modified … Modifying Existing Columns to Include Identity PropertiesRead more

alter table, database-design, identity-column, schema-modification, SQL Server

Modifying Column Nullability in SQL Server

Understanding Column Nullability In relational databases, a column’s nullability defines whether the column can store a … Modifying Column Nullability in SQL ServerRead more

alter table, data integrity, database, default-constraint, not null, null values, schema-modification, SQL Server, update-statement