In SQL Server, we can query the sys.default_constraints
system catalog view to return a list of DEFAULT
constraints in the current database.
Tag: how to
How to Create a Sequence in SQL Server
SQL Server supports sequences. Sequences enable us to create our own sequence of numeric values.
Sequences are similar to identity columns in that they generate a unique value that can be used to identify a column. However, sequences are created completely independently of any table.
Continue readingList All Synonyms in a SQL Server Database (T-SQL)
In SQL Server, we can use the sys.synonyms
system catalog view to get a list of synonyms in the current database. This view returns all objects in the sys.objects
view of type SN
(which stands for synonym).
How to Move a Table to Another Schema in SQL Server
In SQL Server, if you ever need to move one or more tables to another schema, you can use the T-SQL ALTER SCHEMA
command.
Fix “ERR value is not an integer or out of range” When using the HRANDFIELD Command in Redis
If you’re getting an error that reads “ERR value is not an integer or out of range” when using the HRANDFIELD
command in Redis, it could be because you’re passing a second argument that isn’t an integer. Or if it is an integer, it could be out of range.
Return All CHECK Constraints in a SQL Server Database (T-SQL)
In SQL Server, we can query the sys.check_constraints
system catalog view to return a list of CHECK
constraints in the current database.
Fix “ERR wrong number of arguments for ‘srem’ command” in Redis
If you’re getting an error that reads “ERR wrong number of arguments for ‘srem’ command” in Redis, it’s probably because you’re calling the SREM
command with the wrong number of arguments.
To fix this issue, make sure you pass the correct number of arguments. At the time of writing, the SREM
command requires at least two arguments.
Return the Definition of All Computed Columns in a SQL Server Database (T-SQL)
In SQL Server we can run a query against the sys.computed_columns
system catalog view to return all computed columns and their definitions.
How to Insert Multiple Rows in SQL
When working with SQL, we can use the INSERT
statement to insert a new row into a table. But what if we want to insert more than one row?
Fortunately, we can still use the INSERT
statement. Below is a quick example that inserts multiple rows using SQL.
How to Drop a DEFAULT Constraint in SQL Server
In SQL Server, we can drop DEFAULT
constraints by using the ALTER TABLE
statement with the DROP CONSTRAINT
argument.