oracle cursor usage
Oracle cursor usage: 1. Explicit cursor, use the CURSOR keyword to define the cursor, and then specify the SELECT query statement in the cursor; 2. Implicit cursor, used to execute SQL statements in PL/SQL code; 3. Cursor attributes, use Used to obtain the current status of the cursor; 4. Cursor variables, variables used to reference the cursor object, and can be declared and used in PL/SQL blocks; 5. Cursor parameters, parameters of stored procedures or functions are passed. PHP Chinese website welcomes everyone to come and learn.
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oracle cursor usage
oracle cursor usage
Oracle cursor usage: 1. Explicit cursor, use the CURSOR keyword to define the cursor, and then specify the SELECT query statement in the cursor; 2. Implicit cursor, used to execute SQL statements in PL/SQL code; 3. Cursor attributes, use Used to obtain the current status of the cursor; 4. Cursor variables, variables used to reference the cursor object, and can be declared and used in PL/SQL blocks; 5. Cursor parameters, parameters of stored procedures or functions are passed.
Dec 13, 2023 am 10:28 AM
what is oracle cursor
In Oracle, a cursor is a mechanism that uses the keyword CURSOR to define a set of data sets queried by Oracle. The queried data set can be stored in memory, and then pointed to one of the records through the cursor, and achieved through the loop cursor. The purpose of looping a data set.
Feb 23, 2022 am 11:35 AM
How to close oracle cursor
How to close the cursor in Oracle: 1. Use close to close, with syntax such as "close mycursor;"; 2. Use a for loop and wait for it to close by itself.
Dec 16, 2021 pm 02:37 PM
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