[Chapter 10] 10.4 Declaring a PL/SQL TableSteven Feuerstein &Bill Pribyl
of emps is:4 PL/SQL procedure successfully completed. Here the code declares a cursor that will return a single record. This cursor is called an explicit cursor. You explicitly declare it in a declaration section of the program and manipulate the cursor else where in the program. ...
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...
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 ...
jndi - The JNDI string for application to lookup driver - The class of the JDBC driver, such as "org.hsqldb.jdbcDriver" url - The JDBC url, such as jdbc:hsqldb:/path/to/database username - The username to connect to the database password - The password to connect to the database ty...
Specify a string to replace the default SQL SELECT statement that the recordset constructs. Specify whether the recordset is read-only or append-only. Recordsets allow full updating by default, but you can limit that to adding new records only or you can disallow all updates. ...
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Type the declaration in the scripting area of the Script view. Local declarations You declare local variables for an object or control in the script for that object or control. Declaring SQL cursors You can also declare SQL cursors that are global, shared, instance, or local. Open a speci...
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