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...
%msg&sql(CREATEGLOBALTEMPORARYTABLETempEmp(EMPNUMINTNOTNULL,NAMELASTCHAR(30)NOTNULL,NAMEFIRSTCHAR(30)NOTNULL,CONSTRAINTEMPLOYEEPKPRIMARYKEY(EMPNUM)))ifSQLCODE=0{w!,"表创建"}else{w!,"SQLCODE=",SQLCODE,": ",%msg}}
Index DDLBEIndex [ Extent, SqlName = "%%DDLBEIndex", Type = bitmap ]; /// DDL Primary Key Specification Index PatientPK On PatNum [ PrimaryKey, SqlName = Patient_PK, Type = index, Unique ]; } CREATE TABLE中指定的字段名称在class属性中显示为SqlFieldName值。 在动态选择操作期间, IRIS...
To create a table in the secondary filegroup, we must specify the filegroup name in the CREATE TABLE statement. Make sure that the filegroup in which you are creating a table must exist on the database. Creating a table in a secondary filegroup is useful when you want to keep your frequen...
= column_set_name XML COLUMN_SET FOR ALL_SPARSE_COLUMNS <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ] ( column_name [ ASC | DESC ] [ ,... n ] ) [ WITH FILLFACTOR = fillfactor | WITH ( <index_option> [ ,... ...
= column_set_name XML COLUMN_SET FOR ALL_SPARSE_COLUMNS <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ] ( column_name [ ASC | DESC ] [ ,... n ] ) [ WITH FILLFACTOR = fillfactor | WITH ( <index_option> [ ,... ...
CREATE TABLE 中指定的表的存储机制以后不能进行更改。 ON { partition_schemefilegroup | "default" } 也可以在 PRIMARY KEY 约束或 UNIQUE 约束中指定。 这些约束会创建索引。 如果 filegroup 未指定,则索引会存储在已命名文件组中。 如果指定了 "default",或者根本未指定 ON,索引则将与表存储在同一文件组中...
SQL 型 V3.1.5 开发者指南 SQL 参考 SQL语句 CREATE TABLE 更新时间:2025-03-07 23:00:00 编辑 描述 该语句用来在数据库中创建一张新表。 格式 CREATE[TEMPORARY]TABLE[IFNOTEXISTS]table_nameLIKEtable_name;table_definition_list: table_definition[,table_definition...]table_definition: column_definition...
CREATE SPATIAL INDEX (Transact-SQL) CREATE STATISTICS (Transact-SQL) CREATE SYMMETRIC KEY (Transact-SQL) CREATE SYNONYM (Transact-SQL) CREATE TABLE (Transact-SQL) CREATE TABLE (Transact-SQL) IDENTITY(属性)(Transact-SQL) CREATE TRIGGER (Transact-SQL) ...
CREATE OR REPLACE FUNCTION "public"."f_inittables1"(arr _text)RETURNS "pg_catalog"."void" AS $BODY$DECLAREscount INTEGER;rownum integer := 1;currsnum text;strSQL text;BEGINscount:=array_length(arr,1);while rownum <= scount LOOPcurrsnum:=arr[rownum];RAISE NOTICE '这里是%', currsnum...