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- Run Queries 10770
- Overview Java applications send queries and read result sets through the familiar Statement , PreparedStatement , and ResultSet interfaces. This page covers sending queries and reading DuckDB's nested and composite types. For opening the Co
...epared-statement parameter, build it from the Connection and pass it to setObject() . Each factory method attaches the SQL type name the driver needs to marshal the value. createArrayOf(typeName, elements) — the standard JDBC method — returns an org.duck...db.user.DuckDBUserArray (a java.sql.Array ) for a LIST or ARRAY , where typeName is the element type. createStruct(typeName, attributes) — the standard JDBC method — returns an org.duckdb.user.DuckDBUser...Struct (a java.sql.Struct ), where typeName is the STRUCT type and attributes are the field values in declaration order. createMap(typeName, map) — a DuckDB extension... - https://man.mtool.work/duckdb/2.0/clients/java/querying.html
- Casting 10454
- Casting refers to the operation of converting a value in a particular data type to the corresponding value in another data type. Casting can occur either implicitly or explicitly. The syntax described here performs an explicit cast. More in
...sting can be found on the typecasting page . Explicit Casting The standard SQL syntax for explicit casting is CAST(expr AS TYPENAME) , where TYPENAME is a name (or alias) of one of DuckDB's data types . DuckDB also supports the shorthand expr::TYPENAME ,... - https://man.mtool.work/duckdb/2.0/sql/expressions/cast.html
- ODBC Extension Functions 6659
- odbc_begin_transaction odbc_bind_params odbc_close odbc_commit odbc_connect odbc_copy odbc_create_params odbc_list_data_sources odbc_list_drivers odbc_query odbc_rollback odbc_begin_transaction odbc_begin_transaction(conn_handle BIGINT) ->
...NE , DATETIME2 , TIMESTAMP_NTZ etc) columns with nanosecond precision (with nine fractional digits) timestamp_columns_with_typename_date_as_date ( BOOLEAN , default: false ): read TIMESTAMP columns that have a type name DATE as DuckDB DATE s timestamp_ma... - https://man.mtool.work/duckdb/2.0/core_extensions/odbc/functions.html
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