Category: Computer

computer related topics

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Install Mac OS on Dell Precision 690 Workstation

Lastest: The following guide is a complete walkthrough for updating to or installing a fresh version of macOS Sierra. It requires no experience and all of the basic installation and post-installation tools are available...






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Run SQL Code Block with Variables in Oracle SQL Developer

DECLARE p_cart_id NUMBER:= 125330; p_cart_item_id NUMBER; BEGIN FOR i IN 1..200 LOOP — get next sequence p_cart_item_id := tbl_cart_item.NEXTVAL;   –insert new line from select INSERT INTO TBL_CART_ITEM(cart_item_id,cart_id,item,qty, line_no) SELECT t.* FROM ( SELECT...






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Oracle Tips: Handling PL/SQL Errors

Run-time errors arise from design faults, coding mistakes, hardware failures, and many other sources. Although you cannot anticipate all possible errors, you can plan to handle certain kinds of errors meaningful to your PL/SQL...