Explain model-based method?

36

---

Explain the characteristics of oracle dba?

433

---

Is java jre still free?

314

---

Define encoding or serialization??

294

---

what are the three groups involved in information sharing?

312

---

---

How do I update activex in ie11?

251

---

What is pl/sql table? Why it is used?

369

---

Define max and min heap, also the search time of heap.

395

---

what is common type system?

354

---

What is a trigger and its types?

342

---

Explain life cycle of react js component?

56

---

Which function is used in php to count the total number of rows returned by any query?

330

---

What is keyword in oop?

340

---

How do you delete duplicates in sql query using rowid?

320

---

For a webbased application:- what should be code in expert veiw, for retrieving a single column name "username" from a server and checking whether exported "username" from datatable doesn't exist in server. suppose i have saved in excelsheet a username="gayatri" , which is exported, then checked for whether this username "gayatri" exist in server database or not ? if exist then allow to enter new username, which should be again checked for in loop , or else come out of loop and enter a distinct "username". plz let me have this answer in my id gayatrisahooin@hotmail.com

1574

---