[Chapter 10] 10.4 Declaring a PL/SQL TableSteven Feuerstein &Bill Pribyl
table emp; Table dropped.--www.java2s.com SQL> create table emp( 2 empno number(4,0), 3 ename varchar2(10), 4 job varchar2(9), 5 mgr number(4,0), 6 hiredate date, 7 sal number(7,2), 8 comm number(7,2), 9 deptno number...
The complete script to create a database and a table, and to map Python class is given below −from sqlalchemy import Column, Integer, String from sqlalchemy import create_engine engine = create_engine('sqlite:///sales.db', echo = True) from sqlalchemy.ext.declarative import declarative_...
Provide the largest SQLDA (that is, the one with the greatest number of SQLVAR entries) that is needed. The maximum number of columns that can be returned in a result table is 255. If any of the columns being returned is either a LOB type or a distinct type, the value in SQL...
Is used to decalre a variable according to: -A database column definition -Another declared variable Is prefixed with: -The database table and column -The name of the decared variable Declaring Variables with the %TYPE Attribute Syntax ...
Set primary key when declaring a column SQL> SQL> create table t 2 ( x int primary key , 3 y date, 4 z clob ) 5 / Table created. SQL> SQL> drop table t; Table dropped. SQL> Related examples in the same category 1. Using a CREATE TABLE statement: create a table with primary ...
You can use host variables, host-variable arrays, and host structures in SQL statements in your program to pass data between Db2 and your application. Procedure To declare host variables, host-variable arrays, and host structures: Declare the variables according to the following rules and ...
attribute is required, whether its value can be determined by request-time expressions, the type of the attribute, and whether the attribute is a fragment. Variable information can be given directly in the TLD or through a tag extra info class.Table 8–9lists the subelements of thetagelement...
A question about regular expressions in T-SQL A stored procedure returning a boolean value indicating wheter a specified value exists in a table. A transport-level error has occurred when receiving results from the server. (provider: TCP Provider, error: 0 - The semaphore timeout period has ex...
The following table shows the four scopes of variables. Scope Description Global Accessible anywhere in the application. It is independent of any object definition. Instance Belongs to an object and is associated with an instance of that object (you can think of it as a property of the ...