The SQL cheat sheet is designed to provide a quick reference for the most common SQL statements you use. It is one-page A4 printable document in both PDF and JPEG format. You can print it out and stick it to your desk.
- If Statement BEGIN IF 1=1 THEN dbmslock.sleep(3); ELSE dbmslock.sleep(0); END IF; END; — doesn’t play well with SELECT statements. Case Statement SELECT CASE WHEN 1=1 THEN 1 ELSE 2 END FROM dual; — returns 1 SELECT CASE WHEN 1=2 THEN 1 ELSE 2 END FROM dual; — returns 2. Avoiding Quotes SELECT chr(65) chr(66) FROM dual; — returns.
- Oracle SQL Developer provides a SQL Worksheet that you can use to query data, by writing simple or complex SQL statements. In this How-To, we look at the most basic of these, select all the data in a table, and restricting this query by reducing the columns or rows you retrieve.
SQL Statements Cheat Sheet
PL/SQL Block Structure DECLARE -Optional-Variables, Cursors, User-defined exceptions BEGIN -Mandatory-SQL statements-PL/SQL statements EXCEPTION -Optional-Actions to perform when errors occur END; -Mandatory PL/SQL Block Type Anonymous Procedure Function DECLARE PROCEDURE name FUNCTION name IS RETURN datatype IS. Oracle PL/SQL Cheat Sheet PL/SQL ( Procedural Language/Structured Query Language ) is Oracle Corporation’s procedural language extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7) and IBM DB2 (since version 9.7). Need to get up to speed on PL/SQL programming? To effectively use the PL/SQL programming language in the Oracle database environment, take a look at some PL/SQL models for using fundamental syntax and writing code.
SQL statements cheat sheet gives you the most common SQL queries to help you get familiar with SQL quickly. You can find the most basic SQL statements in the cheat sheet. In addition, you can find the SQL statements for creating database objects such as tables, views and indexes.
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The SQL cheat sheet provides you with the most commonly used SQL statements for your reference. You can download the SQL cheat sheet as follows:
Querying data from a table
Query data in columns c1, c2 from a table
Query all rows and columns from a table
Query data and filter rows with a condition
Query distinct rows from a table
Sort the result set in ascending or descending order
Skip offset of rows and return the next n rows
Group rows using an aggregate function
Filter groups using HAVING clause
Querying from multiple tables
Inner join t1 and t2
Left join t1 and t1
Right join t1 and t2
Perform full outer join
Produce a Cartesian product of rows in tables
Another way to perform cross join
Join t1 to itself using INNER JOIN clause
Using SQL Operators
Combine rows from two queries
Return the intersection of two queries
Subtract a result set from another result set New features: web fonts & social media buttons.
Query rows using pattern matching %, _
Oracle Sql Functions Cheat Sheet
Query rows in a list
Query rows between two values
Check if values in a table is NULL or not
Managing tables
Create a new table with three columns
Delete the table from the database
Add a new column to the table
Drop column c from the table
Add a constraint
Drop a constraint
Rename a table from t1 to t2
Rename column c1 to c2
Remove all data in a table
Using SQL constraints
Set c1 and c2 as a primary key
Set c2 column as a foreign key
Make the values in c1 and c2 unique
Ensure c1 > 0 and values in c1 >= c2
Set values in c2 column not NULL
Modifying Data
Insert one row into a table
Insert multiple rows into a table
Insert rows from t2 into t1
Update new value in the column c1 for all rows
Update values in the column c1, c2 that match the condition
Delete all data in a table
Delete subset of rows in a table
Managing Views
Create a new view that consists of c1 and c2
Create a new view with check option
Create a recursive view
Create a temporary view
Autodesk software for mac os xvintageprogram. Delete a view
Managing indexes
Create an index on c1 and c2 of the t table
Create a unique index on c3, c4 of the t table
Drop an index
Managing triggers
Create or modify a trigger
WHEN
- BEFORE – invoke before the event occurs
- AFTER – invoke after the event occurs
Oracle Sql Syntax Cheat Sheet Free
EVENT
Oracle Sql Commands Cheat Sheet
- INSERT – invoke for INSERT
- UPDATE – invoke for UPDATE
- DELETE – invoke for DELETE
TRIGGER_TYPE
- FOR EACH ROW
- FOR EACH STATEMENT
Delete a specific trigger