6 Data Warehouse Service SQL Syntax Keyword BEGIN BETWEEN BIGINT BINARY BINARY_DOUBLE BINARY_INTEGER BIT BITVAR BIT_LENGTH BLOB BOOLEAN BOTH BUCKETS BREADTH BY C CACHE CALL CALLED CARDINALITY CASCADE CASCADED CASE 3 Keyword GaussDB(DWS) Non-reserved Non-reserved (excluding functions and types) Non...
property_name | field_name Is a public property or public data member of a user-defined type. The expression supplying the value must be implicitly convertible to the type of the property. To modify different properties of the same user-defined type column, issue multiple UPDATE statements, or...
Besides waiting for a specified duration or until a certain datetime value, you can now request to wait for a T-SQL statement to affect at least one row. You can specify that the command wait on one of the following statements: SELECT, INSERT, UPDATE, DELETE, or RECEIVE. The first four...
XML data type columns, parameters, and variables may be typed or untyped—that is, they may conform to a schema or not. To specify that you're using a typed column (for example, in the XML column in Figure 4), you would specify the schema namespace in paren...
These operations use a hidden _change_type column present in the underlying Parquet data files to record changes without write amplification. Improved query latency for the COPY INTO command This release includes a change that improves the query latency for the COPY INTO command. This improvement ...
Strings are padded to the same length before conversion or inserting to a varchar or nvarchar data type. Trailing blanks in character values inserted into varchar or nvarchar columns and trailing zeros in binary values inserted into varbinary columns are not trimmed. Values are not padded to the ...
Transaction size: Type the number of inserts that can be carried out in a single transaction. The default is the value ofBatchSize. Batch size: Type the size of the batch for bulk loading. This is the number of rows loaded as a batch. ...
Class 21: cardinality violationExpand table SQLSTATEDescription and issuing error classes 21000 cardinality violation ROW_SUBQUERY_TOO_MANY_ROWS, SCALAR_SUBQUERY_TOO_MANY_ROWS 21506 The same row of a table cannot be the target for more than one of an update, delete or insert operation. DELTA_...
Table 14. Class Code 21: Cardinality Violation SQLSTATE ValueMeaning 21000 The result of a SELECT INTO, scalar fullselect, or subquery of a basic predicate is more than one value. 21501 A multiple-row INSERT into a self-referencing table is invalid. 21502 A multiple-row UPDATE of a primar...
If you create an index using another index (instead of a table), the original index might not provide adequate statistical information. Therefore, Oracle generally uses the base table to compute the statistics, which will improve the statistics but may negatively affect performance. ...