- What are the after triggers?
- What is true regarding triggers?
- How do I get package details in SQL Developer?
- What is spool file?
- What can be present in the body of forall?
- How do I run a SQL script in SQL Developer?
- What are the different triggers?
- How do I run Sqlplus commands in SQL Developer?
- What is the SQL script?
- How do I compile a procedure in SQL Developer?
- How do I open a stored procedure in SQL Developer?
- What is instead of triggers?
- How do I open a stored procedure?
- What is spool command?
- Which is not an SQL command?
- How do I spool in SQL Developer?
- How do I open a table in SQL Developer?
- How do I write a PL SQL script?
- How do I check if an object is invalid?
- How do I compile invalid objects?
- How do I compile invalid objects in SQL Developer?
What are the after triggers?
What are the after triggers.
Explanation: AFTER TRIGGERS can be classified further into three types as: AFTER INSERT Trigger, AFTER UPDATE Trigger, AFTER DELETE Trigger.
Explanation: Example : declare @empid int; where empid is the variable..
What is true regarding triggers?
They have an event, condition, and action. They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). You do not create them with SQL.
How do I get package details in SQL Developer?
5 Answers. Go to VIEW menu, click on find DB objects option. In the find db object pane put the name of the package and select the DB. Both, the spec and body will appear, double click to open.
What is spool file?
Spooling is a system function that saves data in a spooled file for later processing or printing. … A spooled file holds output data until it can be printed. The spooled file collects data from a device until a program or device is able to process the data.
What can be present in the body of forall?
NOT NULL Constraint.Declaring Variables.Declaring Constants.Initial Values of Variables and Constants.Declaring Items using the %TYPE Attribute.
How do I run a SQL script in SQL Developer?
Executing a SQL Script from the SQL Scripts PageOn the Workspace home page, click SQL Workshop and then SQL Scripts. … From the View list, select Details and click Go. … Click the Run icon for the script you want to execute. … The Run Script page appears. … Click Run to submit the script for execution.More items…
What are the different triggers?
Types of TriggersData Manipulation Language (DML) Triggers. DML triggers are executed when a DML operation like INSERT, UPDATE OR DELETE is fired on a Table or View. … Data Definition Language (DDL) Triggers. … LOGON Triggers. … CLR Triggers.Mar 9, 2016
How do I run Sqlplus commands in SQL Developer?
Go to SQL Worksheet – SQL statement area. Enter DESCRIBE USER_USERS. Press F9 to run the command.
What is the SQL script?
A SQL script is a set of SQL commands saved as a file in SQL Scripts. A SQL script can contain one or more SQL statements or PL/SQL blocks. You can use SQL Scripts to create, edit, view, run, and delete script files.
How do I compile a procedure in SQL Developer?
Creating and Executing a ProcedureA script with the procedure has already been created so you can open the file. Select File > Open. … Locate the proc. … Click the Run Script icon to create the AWARD_BONUS procedure. … Select the hr_orcl connection and click OK. … The procedure was created and compiled with an error.
How do I open a stored procedure in SQL Developer?
Open SQL Developer and connect to the Oracle Database. Then left side in Connections pane, expand the schema node in which you want to execute the stored procedure. Then expand the Procedures node and select the stored procedure you want to execute and do the right click on it.
What is instead of triggers?
What is an INSTEAD OF trigger. An INSTEAD OF trigger is a trigger that allows you to skip an INSERT , DELETE , or UPDATE statement to a table or a view and execute other statements defined in the trigger instead. … In other words, an INSTEAD OF trigger skips a DML statement and execute other statements.
How do I open a stored procedure?
Using SQL Server Management Studio Expand Databases, expand the database in which the procedure belongs, and then expand Programmability. Expand Stored Procedures, right-click the procedure and then click Script Stored Procedure as, and then click one of the following: Create To, Alter To, or Drop and Create To.
What is spool command?
The “spool” command is used within SQL*Plus to direct the output of any query to a server-side flat file. SQL> spool /tmp/myfile.lst. Becuse the spool command interfaces with the OS layer, the spool command is commonly used within Oracle shell scripts.
Which is not an SQL command?
Explanation: Data Communication Language (DCL) is not a type of SQL statement. Explanation: The CREATE TABLE statement is used to create a table in a database.Tables are organized into rows and columns; and each table must have a name.
How do I spool in SQL Developer?
In order to execute the Spool in Oracle, you’ll need to run it as a script (for example, if you are using Oracle SQL Developer, you may press F5 to run the Spool as a script). Your CSV file will then get created at your specified path.
How do I open a table in SQL Developer?
To view table data:In SQL Developer, search for a table as described in “Viewing Tables”. … Select the table that contains the data. … In the object pane, click the Data subtab. … (Optional) Click a column name to sort the data by that column.(Optional) Click the SQL subtab to view the SQL statement that defines the table.
How do I write a PL SQL script?
This section starts with the keyword DECLARE. It is an optional section and defines all variables, cursors, subprograms, and other elements to be used in the program. This section is enclosed between the keywords BEGIN and END and it is a mandatory section.
How do I check if an object is invalid?
Invalid objects can be identified by querying *_OBJECTS with a filter on status = INVALID. Error details can be queried from *_ERRORS. Invalid objects get automatically recompiled when they are accessed or executed. To compile them in advance, you can use ALTER…
How do I compile invalid objects?
Recompiling All Invalid ObjectsStart SQL*Plus: Copy sqlplus “/ AS SYSDBA”Run the utlrp.sql script, where Oracle_home is the Oracle home path: Copy SQL> @Oracle_home/rdbms/admin/utlrp.sql.
How do I compile invalid objects in SQL Developer?
The Invalid Objects tab appears in the object pane. This tab lists the invalid objects in your schema or in the database (depending on the connection you specified in the Select Connection dialog box). When you right-click the row for a particular invalid object on the Invalid Objects tab, the Compile option appears.