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Identifier Naming Conventions Identifier naming must comply with the following rules: An identifier name can only contain letters, digits (0–9), underscores (_), and dollar signs ($). An identifier name must start with a letter or an underscore (_).
Identifier Naming Conventions Identifier naming must comply with the following rules: An identifier name can only contain letters, digits (0–9), underscores (_), and dollar signs ($). An identifier name must start with a letter or an underscore (_).
GB memory); 200 GB (32-core CPU/256 GB memory); 90 GB (16-core CPU/128 GB memory); 40 GB (8-core CPU/64 GB memory); 20 GB (4-core CPU/32 GB memory); 10 GB (4-core CPU/16 GB memory) Setting suggestions: The value on the database node is determined based on the physical memory of the
This model is only available for instances of V2.0-3.200 or later. This option is only available when Resource Type is set to Elastic Cloud Server (ECS). CAUTION: Single: The availability (or SLA) cannot be guaranteed because the instance is deployed on a single server.
This model is only available for instances of V2.0-3.200 or later. This option is only available when Resource Type is set to Elastic Cloud Server (ECS). CAUTION: Single: The availability (or SLA) cannot be guaranteed because the instance is deployed on a single server.
Default value: Independent deployment: 1200 (60-core CPU/480 GB memory and 32-core CPU/256 GB memory); 800 (16-core CPU/128 GB memory); 400 (8-core CPU/64 GB memory); 300 (4-core CPU/32 GB memory); 200 (4-core CPU/16 GB memory) To avoid failures in the preparation step, the value
Multiple items are separated by commas (,).
TO { GROUP groupname | NODE ( nodename [, ... ] ) } TO GROUP specifies the node group to which the table to be created belongs. TO NODE is used for internal scale-out tools. CONSTRAINT constraint_name Specifies the name of a column or table constraint.
row) Example 3 NULLIF use cases: -- Create the gsloader_test_nullif table. gaussdb=# create table gsloader_test_nullif( col1 varchar2(100) not null enable, col2 number(5,0) not null enable, col3 varchar2(200) not null enable, col4 varchar2(34) not null enable, col5 varchar2
Columns to be applied in the main table must have primary key constraints or unique constraints. -- Create a department table. m_db=# CREATE TABLE dept( deptno INT PRIMARY KEY, loc VARCHAR(200) ); -- Create an employee table and add a foreign key constraint. m_db=# CREATE
Default value: Independent deployment: 360 GB (60-core CPU/480 GB memory); 192 GB (32-core CPU/256 GB memory); 96 GB (16-core CPU/128 GB memory); 40 GB (8-core CPU/64 GB memory); 20 GB (4-core CPU/32 GB memory); 10 GB (4-core CPU/16 GB memory) Finance edition (standard): CN: 200 GB
Parameter type: Integer Unit: None Value range: 0 and 1 0: The stored procedures, anonymous blocks, or user-defined functions (excluding system functions) are not audited. 1: The stored procedures, anonymous blocks, or user-defined functions (excluding system functions) are audited
This model is only available for instances of V2.0-3.200 or later. This option is only available when Resource Type is set to Elastic Cloud Server (ECS). CAUTION: Single: The availability (or SLA) cannot be guaranteed because the instance is deployed on a single server.
CREATE TABLE test_info.DATATYPELIST( ID INT, COL_01_CHAR______E CHAR(100), COL_02_NCHAR_____E NCHAR(100), COL_03_VARCHAR___E VARCHAR(1000), COL_04_VARCHAR2__E VARCHAR2(1000), COL_05_NVARCHAR2_E NVARCHAR2(1000), COL_06_NUMBER____E NUMBER(38,0), COL_07_FLOAT_____E FLOAT(126), COL_08
` timestamp, `c23` time DEFAULT NULL, `c24` year DEFAULT NULL, `c25` bit(10) DEFAULT NULL, `c26` json DEFAULT NULL, `c27` decimal(10,0) DEFAULT NULL, `c28` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`id`) ); Assign privileges to the user.