how to find schema name in oracle sql developer

environment Related: Database configuration, disk space, memory how much ...5. PL/SQL, the length of the expression/sql itself can reach a relatively long length (50K) or so, such as: v_str:=:new.f1| |:ndw.f2 ...;select:new.f1| |:new.f2 ...into V_str from dual; Also found, if this is written: v_str: = ' a ' | | ' B ' | | ... The length of the allowed expression is greatly reduced. If the expression/

The Sql*plus user name in Oracle is the system user, and the password is the password you set.If the password is forgotten, it can be reset by the following method.1, Win key +r key, enter cmd, open command prompt.2. Input Sqlplus/nolog3. Continue entering Conn/as SYSDBA4. Enter the ALTER user name identified by passwo

(BYTE) is not null," Login_password "Varcha R2 (byte) is not NULL, "Register_time" DATE is not NULL, "FullName" VARCHAR2 (byte) is not null, "Sex" CHAR (1 BYTE) null, "Id_c ard "char" null, "email" VARCHAR2 ($) NULL, "Tel" char (one-byte) null, "Address" VARCHAR2 (+ byte) null, "work _units "VARCHAR2" null, "Monthly_income" number (8,2) null, "Bank_account" CHAR (BYTE) null, "Credit_rating" NUMB ER (1) NULL)The results are as follows:watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvd2fuz2hhaxbpbmcx

Label:Sometimes, because of a sudden power outage or other reason, PL/SQL It cannot even display, sequence, and other elements in a database table. Use SQL Windows to run queries for general queries, logins, or the same phenomenon again.I am not able to solve the problem because of the repeated login guess is that plsql login history. It cleared the account login history. Detailed procedures, such as the fo