What is default in SQL database?

Question

The SQL DEFAULT constraint is a constraint that can be added to tables to specify a default value for a column. The default value is used for the column's value when one is not specified (for example, when you insert a row into the table without specifying a value for the column).

What is a default in database?

Default values, in the context of databases, are preset values defined for a column type. Default values are used when many records hold similar data.

What is default user in SQL?

Each SQL Server instance has an administrator account; by default, the user name for this account is sa. You must provide the PCLaw or Time Matters setup program with a SQL administrator ID and password to create or convert a database.

What is default SQL format?

The default date format in SQL is DD-MON-YY.

How do I find the default in SQL?

We have two major steps when we talk about the default constraint:1Creation of Default Constraint with Create Query or the Alter Query. Using the Create Query. Syntax: CREATE TABLE Persons ( col1 datatype, ... 2Drop the Default Constraint. Syntax: ALTER TABLE tableName. ALTER colName DROP DEFAULT;Check Constraint in SQL | Default Constraint in SQL - DataFlair

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