In the above example, we have an ID column which will accept the value 0 (zero) as default value in TableWithdefaultvalue table. Default constraint works with all data types, let us try again, but this time with Varchar data type. CreateTableTableWithdefaultvalueVarchar(IDInt,nameVarchar(10)...
obclient> CREATE TABLE tbl10(col1 INT PRIMARY KEY, col2 INT) PARALLEL 3; Query OK, 0 rows affected 使用函数定义列的默认值。 obclient> CREATE SEQUENCE SEQ_PERSONIPTVSEQ START WITH 1 MINVALUE 1 MAXVALUE 10 INCREMENT BY 2 NOCYCLE NOORDER CACHE 30; Query OK, 0 rows affected obclient> ...
CREATE TRANSACTIONAL TABLE transactional_table_test(key string, value string) PARTITIONED BY(ds string) STORED AS ORC; 创建视图(用于视图查询) 关键信息源于多个复杂的关联表,可以建立视图来简化操作不用每次重复执行一段重复代码,因为视图把查询语句虚拟成一个虚表来供我们操作 视图是从一个或者几个来导出的表...
obclient>CREATETABLEtbl10(col1INTPRIMARYKEY,col2INT)PARALLEL3;Query OK,0rowsaffected 使用函数定义列的默认值。 obclient>CREATESEQUENCE SEQ_PERSONIPTVSEQSTARTWITH1MINVALUE1MAXVALUE10INCREMENTBY2NOCYCLE NOORDER CACHE30;Query OK,0rowsaffected obclient>SELECTLPAD(SEQ_PERSONIPTVSEQ.NEXTVAL,18,TO_CHAR(SYSD...
In addition to these table privileges, to create an object table or a relational table with an object type column, the owner of the table must have the EXECUTE object privilege in order to access all types referenced by the table, or you must have the EXECUTE ANY TYPE system privilege. Th...
column_name ) ] ) [ ON { partition_scheme_name ( partition_column_name ) | filegroup | "default" } ] [ TEXTIMAGE_ON { filegroup | "default" } ] [ FILESTREAM_ON { partition_scheme_name | filegroup | "default" } ] [ WITH ( <table_option> [ ,... n ] ) ] [ ; ] <column_...
column_name ) ] ) [ ON { partition_scheme_name ( partition_column_name ) | filegroup | "default" } ] [ TEXTIMAGE_ON { filegroup | "default" } ] [ FILESTREAM_ON { partition_scheme_name | filegroup | "default" } ] [ WITH ( <table_option> [ ,... n ] ) ] [ ; ] <column_...
CREATETABLEMyTable ( mycolumnnn1nvarchar, mycolumn2nvarcharCOLLATEFrisian_100_CS_AS )WITH( CLUSTERED COLUMNSTOREINDEX) ; B. 指定列的 DEFAULT 约束 以下示例显示了为列指定默认值的语法。colA列具有名为constraint_colA的默认约束,默认值为0。 SQL ...
ALTER TABLE ALTER COLUMN (To set the default value) ALTER TABLE Progress? ALTER TABLE SWITCH statement failed. Check constraints or partition function of source table ALTER TABLE with variable TableName ALTER vs UPDATE when creating a new column with default value. Alternate queries for MERGE A...
CREATE[[GLOBAL|LOCAL]{TEMPORARY|TEMP}|UNLOGGED]TABLE[IFNOTEXISTS]table_name{({column_namedata_type[compress_mode][COLLATEcollation][column_constraint[...]]|table_constraint|LIKEsource_table[like_option[...]]}[,...])|LIKEsource_table[like_option[...]]}[WITH({storage_parameter=value}[,.....