CREATE TABLE table-name column-definition table-constraint-clause physical-storage-clause column-definition: column-name data type [WITH DEFAULT expression] [NULL|NOT NULL] [column-constraint-clause] [, column-name data type [WITH DEFAULT expression] [NULL|NOT NULL] [column- constraint-clause].....
Here, the SQL command checks if a table namedCompaniesexists, and if not, it creates a table with specified columns. Create Table Using Another Existing Table In SQL, we can create a new table by duplicating an existing table's structure. Let's look at an example. -- create a backup t...
PL/SQL Tutorial SQL CREATE TABLE StatementThe CREATE TABLE Statement is used to create tables to store data. Integrity Constraints like primary key, unique key, foreign key can be defined for the columns while creating the table. The integrity constraints can be defined at column level or table...
The empty "Persons" table will now look like this: PersonIDLastNameFirstNameAddressCity Tip:The empty "Persons" table can now be filled with data with the SQLINSERT INTOstatement. Create Table Using Another Table A copy of an existing table can also be created usingCREATE TABLE. ...
ClickOKto create the table. While you click on theAddbutton and add the information, it will create and update the SQL statement that is executed to create the table: CREATETABLE"hero"(-- "id"INTEGER,-- "name"TEXTNOTNULL,-- "secret_name"TEXTNOTNULL,-- ...
Here is the syntax to be used with SQL CREATE TABLE Statement: sql CREATETABLE[IFNOTEXISTS] [Database_name].[Schema_name].table_name ( Column_name datatype [UNIQUE[KEY]|[[PRIMARY] KEY]|CONSTRAINT(NOTNULL|NULL, VISIBLE|INVISIBLE|DEFAULT|CHECK], Column_name datatype [UNIQUE[KEY]|[[PRIMARY...
IF v_table_type='p'THENSELECTpg_get_partkeydef(v_table_oid)INTOv_partition_key; IF v_partition_keyISNOTNULLTHENv_table_ddl :=v_table_ddl||' PARTITION BY '||v_partition_key;ENDIF;ENDIF; v_table_ddl :=v_table_ddl||';'||E'\n';-- suffix create statement with all of the index...
SQL仅接受以下CREATE TABLE选项用于解析,以帮助将现有SQL代码转换为 SQL。 这些选项不提供任何实际的功能。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 {ON|IN}dbspace-nameLOCKMODE[ROW|PAGE][CLUSTERED|NONCLUSTERED]WITHFILLFACTOR=literalMATCH[FULL|PARTIAL]CHARACTERSETidentifierCOLLATEidentifier/* But note...
Oracle PL/SQL:CREATE TABLE statement: create a table with primary key.CREATE TABLE statement can be used to create table objects in database. It is possible to add constraints like primary key ,foreign key while table creation.Primary key is the unique identifier for a row of data.One ...
SQL Tutorial,Tables,Primary Key,Constraints,Foreign Key Dependencies Between Tables,Indexes,Domains Explanation Executing aCREATE TABLEstatement causes data that describes the table (or base table) to be stored in the database catalog. This data is called metadata. ...