常用的系统权限如下: CREATE SESSION:连接到数据库 CREATE TABLE:创建表 CREATE VIEW:创建视图 CREATE SEQUENCE:创建序列 对象权限 对象权限是指针对某个特定模式对象执行操作的权利,只能针对模式对象来设置管理对象权限,包括:表、视图、序列、存储过程等。 Oracle数据用户有两种途径获得权限: (1)直接向用户授予
CREATE TABLE CREATE VIEW 在SQL Server 散發者上安裝和設定 Oracle 用戶端網路軟體 您必須在「SQL Server 散發者」上安裝並設定 Oracle 用戶端網路軟體和 Oracle OLE DB 提供者,如此「散發者」才能連接到「Oracle 發行者」。 安裝該軟體後,請在安裝該軟體的資料夾上設定適當的權限,然後停止並重新啟動 SQL ...
In this example, we've created an alias for theproductstable calledp. Now within this SQL statement, we can refer to theproductstable asp. When creating table aliases, it is not necessary to create aliases for all of the tables listed in the FROM clause. You can choose to create aliases...
CREATEORREPLACEPROCEDURETESTAS--表名N_TABLE_NAME VARCHAR2(32);--逗号数量,用于循环SIGNSINT;--逗号数量最大值,用于判断是否加ANDSI_MAXINT;--主查询别名ALIAS VARCHAR2(16);--副查询别名头F_ALI VARCHAR2(16);--用于存放被查询表数量NUMINT;--当前循环取到的值CURRENT_VALUE VARCHAR2(32);--拼接好的...
TABLE ' || N_TABLE_NAME; END IF; --拼接建表语句 TARGET_RESULTS := 'CREATE TABLE ' || N_TABLE_NAME || ' AS '; --拼接查询项 TARGET_RESULTS := TARGET_RESULTS || 'SELECT ' || ALIAS || '.* '; --循环动态生成查询项 FOR TEMP IN DATA LOOP TARGET_RESULTS := TARGET_RESULTS ||...
CREATE USER username IDENTIFIED BY password [DEFAULT TABLESPASE tablespace] [TEMPORARY TABLESPACE tablespace] 授权用户权限 GRANT CONNECT TO username; GRANT RESOURCE TO username; 修改用户口令:ALTER USER username; IDENTIFIEN BY newpwd; 删除用户: DROP USER username CASCADE; 级联删除关键字 ...
CREATETABLEprt1 (aint, bint, cvarchar)PARTITIONBYHash(a) partitions16; 通过参数启用PartitionedTableScan算子 当一张分区表的子分区数量大于polar_num_parts_for_partitionedscan参数值时,会生成PartitionedTableScan算子。polar_num_parts_for_partitionedscan参数取值范围:-1~INT_MAX,默认值为64(即当分区表的...
Click the Columns tab. Note that alias tables inherit all column definitions from the source table.5 . Click OK to close the Physical Table dialog box.6 . Repeat the steps and create the following aliases for the remaining physical tables. SAMP_ADDRESSES_D = D4 Address SAMP_CUSTOMERS_D =...
CREATESYNONYMlocal_tableFORremote_table@database_link;Code language:SQL (Structured Query Language)(sql) This query uses the synonym instead of the remote table name with the database link: SELECT*FROMlocal_table;Code language:SQL (Structured Query Language)(sql) ...
3. Create Objects Create dialogs for each supported object type Includes support for: External Tables Index Organized Tables Temporary Tables Partitioned Tables (Range, Hash and List) Supports mixed-case and multi-byte characters On table creation users can specify sequences and before-insert trigger...