UNIQUE and PRIMARY KEY constraints are always enforced. When importing into a character column that is defined with a NOT NULL constraint, BULK INSERT inserts a blank string when there's no value in the text file. At some point, you must examine the constraints on the whole table. If the...
The rules also specify the code page that's used to store non-Unicode character data. Both Unicode and non-Unicode sorting are compatible with string comparisons in a particular version of Windows. This provides consistency across data types within SQL Server, and it lets developers sort strings...
UNIQUE and PRIMARY KEY constraints are always enforced. When importing into a character column that is defined with a NOT NULL constraint, BULK INSERT inserts a blank string when there's no value in the text file. At some point, you must examine the constraints on the whole table. If the...
The XQuery functionsstring-lengthandsubstringcount each surrogate as two characters.The XQuery functionsstring-lengthandsubstringcount each surrogate as one character. PIVOTis allowed in a recursive common table expression (CTE) query. However, the query returns incorrect results ...
However, when you create an object table (or a relational table with columns of object, nested table, varray, or REF type), Oracle maps the columns of the user-defined types to relational columns, creating in effect "hidden columns" that count toward the 1000-column limit. datatype ...
If the value contains a 4-byte Unicode character that is represented by two surrogate characters, SQL Server will count the surrogate characters individually. Thestring-length()without a parameter can only be used inside a predicate. For example, the following query returns the <ROOT> element: ...
creates a separate list of key values (or creates a table of pointers) that points towards the location of the data in the data pages. A Clustered Index requires no separate storage than the table storage. It forces the rows to be stored sorted on the index key whereas a non-clustered ...
SQL Server Deprecated Features counter instancesDescription '#' and '##' as the name of temporary tables and stored proceduresAn identifier was encountered that did not contain any characters other than #. Use at least one additional character. Occurs once per compilation. ...
The syntax of the database name specified in the command is not valid. The database name must contain 1 to 8 characters and all the characters must be from the database manager base character set. The command cannot be processed.
PLS-00103 found 'string' but expected one of the following: 'string'"}, Cause: This error message is from the parser. It found a token (language element) that is inappropriate in this context. Action: Check previous tokens as well as the one given in the error message. The line and...