After creating a connection, you can use existing objects of Oracle SQL Developer or can create new also. Now let us see how to browse already existing objects. Browsing Objects in Oracle SQL Developer 1. Expand the newly added connection. You can use any object like tables, views, indexes,...
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Indexes. They're one of the most powerful and misunderstood aspects of SQL performance. In this post we'll look at the purpose of an index, how to create and choose choose your index type. Then finish with a discussion of how to decide what to index and
Function ConvertBase34To10(Base34Number As String) As Long Dim X As Long, Total As Long, Digit As String For X = Len(Base34Number) To 1 Step -1 Digit = UCase(Mid(Base34Number, X, 1)) ConvertBase34To10 = ConvertBase34To10 + IIf(IsNumeric(Digit), Digit, Asc(Digit) -...
CREATE SEQUENCE ht_emp_seq start with 2 / CREATE OR REPLACE TRIGGER bi_ht_emp BEFORE INSERT ON ht_emp FOR EACH ROW BEGIN SELECT ht_emp_seq.nextval INTO :new.emp_id FROM DUAL; :new.rec_create_date := SYSDATE; END; / CREATE OR REPLACE TRIGGER bu_ht_emp ...
Step 3: Create a script or import automatically As the wizard progresses, we’ll keep the File Contents preview panel handy so you don’t have to alt+tab back and forth from Excel to SQL Developer. For this exercise the ‘Insert’ method will be used. Each row processed in the Excel ...
Being paranoid, you want to know every possible occurrence of where your code or column name is being used in the database. Thankfully there is a utility in SQL Developer that can help you answer this question. That feature is Find Database Object ...
How to migrate MariaDB sequences ? MariaDB supports sequences which are not available in MySQL 8.0. We do not see many MariaDB users using this features. Let’s check if our source server is using sequences because we will have to manage these tables for the migration: ...
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Yes sorry, the lines are being sent to the php server in order but the replies are being returned in random, depending on the time it takes to return. As per the last part of the post, the Successfully added Part ### is the actual line number being returned. ...