What does collate SQL_Latin1_General_CP1_CI_AS mean?

The SQL_Latin1_General_CP1_CI_AS collation is a SQL collation and the rules around sorting data for unicode and non-unicode data are different. The Latin1_General_CI_AS collation is a Windows collation and the rules around sorting unicode and non-unicode data are the same.

How do I collate data in SQL?

You can specify collations for each character string column using the COLLATE clause of the CREATE TABLE or ALTER TABLE statement. You can also specify a collation when you create a table using SQL Server Management Studio. If you do not specify a collation, the column is assigned the default collation of the database.

Does not allow NULL values SQL?

The NOT NULL constraint enforces a column to NOT accept NULL values. This enforces a field to always contain a value, which means that you cannot insert a new record, or update a record without adding a value to this field.

What is collate Database_default?

MSDN states COLLATE DATABASE_DEFAULT clause casts the collation of an expression, column definition, or database definition to inherit the collation of the “current database”. To complement MSDN, the “current database” is the context of the database where the query is executed.

What does CP1 mean in collation?

Answer. CP1 stands for code page 1252 is a character encoding of the Western European Latin.

What is a collation SQL?

Collations in SQL Server provide sorting rules, case, and accent sensitivity properties for your data. Collations that are used with character data types, such as char and varchar, dictate the code page and corresponding characters that can be represented for that data type.

Does != Work in SQL?

There is no != operator according to the ANSI/SQL 92 standard.

Is != The same as is not null?

It is literally the absence of a value. You can’t “equal” NULL! The operator != does not mean “is not”; it means “is not equal to”.

How do you set a column to NOT NULL in SQL?

How to change a column from NULL to NOT NULL in SQL Server?

  1. Update the table to delete all NULL values: UPDATE table_name SET col_name = 0 WHERE col_name IS NULL;
  2. Alter the table and change the column to not nullable: ALTER TABLE table_name ALTER COLUMN col_name data_type NOT NULL;

What is collate Latin1_General_BIN?

Common collation names either end in _BIN or _CI_AS such as Latin1_General_BIN or SQL_Latin1_General_CI_AS. The _BIN means that this is a binary sort order where strings will be sorted using a computer binary order, the result is that A-Z are before a-z and things like accented characters will be at the end.