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Oracle SQL Developer Connection error (ORA-12505), developerora-12505 Oracle SQL Developer Connection error (ORA-12505) I had a problem with my Oracle database, and I finally got it done. Today I have created another DBA administrator connection method, and I will share my solution with you, I hope it will be u

Templates | original Pl/sql DEVELOPER 6 template using a series of documents (i) Getting Started with Pl/sql DEVELOPER 6 templates Working with templates A: Right-click the pop-up shortcut menu at the edit place, select the Insert Templete menu, and select the template you want to use as shown in the follo

Using PL/SQL Developer to import Excel data often involves data migration after project delivery. Generally, the given data does not have an ID, that is, the primary key. you need to add a column in excel, such as ID. save the excel file as a Text (Tab delimited) file, open plsql, connect to the oracle database to be imported, and then open Tools --> Text importer... --> Open data file: select the txt file

If you use Oracle, you may use PL/SQL Developer.When PL/SQL Developer is used, a confirmation dialog box is displayed when you right-click the Table list or other object lists and select the Drop operation.There will be a check box for Don't show this message again at the bottom of these dialog boxes. If you accidentally hook up and click OK, It will be miserable

, click the test button to test whether the setting is connected, and if it succeeds, it will show "success" after the left corner status.Figure 2.18 The new/Select Database Connection windowCommon error: If the connection error shown in 2.19 appears, Oracle's service is not turned on.Figure 2.19 A connection error occurredLearn two more tricks: the steps to turn on Oracle services are as follows.(1) Right-click on the "Computer" icon in the desktop and select "Manage".(2) In the Computer Manage

Query for a field with Chinese text SELECT * from Issue I where ASCIISTR (i.id) like '%\% ' Query a field with English letters SELECT * from Issue I where regexp_like (I.id, '. [A-z]+[A-z]) (red font changes randomly) Renaming In the SQL Script window, right-click on the table name to select ' Rename ', modify it in the popup window, tap ' OK ' Delete a table Select my objects, find the table name, and right-select ' drop '20

Tags: Oracle Toad database ManagementUsing PL/SQL developer to manage Oracle in the past has found it inconvenient to use. Open very card, and the upper left corner of the interface is always more out of that box, how can not be set by default hidden away.The only thing that is worth it is that there is a beautification tool, but later found that Toad actually also has a format tool, the decisive unloading

1. Open SQL Developer, create a new SYS connection (SYS has the highest privileges for system administrators):2. Create a new system connection (System is local administrator with sub-high permissions):3. New Scott (Scott is a normal user, unlocked by default) connection:The default Scott user is locked, so to log in to the Administrator account unlocks:After unlocking the Scott account, connect using the S

, and then in the Instantclient_11_2 directory, create a new Layer two folder \NETWORK\ADMIN, Then build a tnsnames.ora file under the Admin folder and add the following to the file: [Plain]View PlainCopyprint? ORACLE = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = localhost) (PORT = 1521)) (Connect_data = (SERVER = dedicated) (service_name = ORACLE) ) ) Listener_oracle = (ADDRESS = (PROTOCOL = TCP) (HOST = l

Label:After installation,1. Unzip the instant client to the Plsql Developer installation directoryNote that this version only supports instantclient_11_x and does not support instantclient_12_x if you use 12_x to report DLL errors2. Create the Network/admin directory under the Instant Client directory3. Create the Tnsnames.ora file, write the content format as follows # Generated byOracle configuration Tools. Db_dev=(DESCRIPTION=(Address_list=(ADDRESS

PL/SQL Developer double-click table name query, pldeveloper Double-click a table. The default value is Expand/Collapse. To Expand/Collapse a table, you need to view the table data quickly. If you write select * from tab, it will be troublesome, Double-click table to perform quick query. Method:Tools-> Preferences-> User Interface-> Browser-> Object type (Table)-> Double-click action (Query Data)

Tags: style blog http io ar color using SP on This experience uses the SQL database migration Wizard (SQLAZUREMW) to migrate SQL Server 2008 databases to Azure SQL database. Of course, SQLAZUREMV can also migrate SQL Server 2005/2

Tags: RAC blog file reference style environment Admin CSDN timeoutPrerequisite: The Oracle database has been successfully installed. Installation environment: Win7 64-bit Oracle installation version 11g 64-bit Question 1) Oracle comes with Sqldeveloper Let me enter the full path of the Java.exe and then report a warning Warning:could not find jvm.cfg! In ' C:\Program files\java\jdk1.8.0_151\jre\lib\jvm.cfg ' The other person's experience is that the installed Sqldeveloper is 32-bit and the JDK

--f82: Execute a single statement--mouse cursor resting place F83: Execute multiple statements--select more than one statement F84: Beautify code--toolbar PL/SQL Beautifier5: Debug Stored Procedure-Select procedures in the Browse window to find the stored procedure that needs to be called, then select the stored procedure for debugging, right-click, select Test, in the test Scrīpt window that is defined as the in type parameter, You need to enter valu

Tags: com mmu develop plsql lov use TNS POS ResultsDescription of the phenomenon: It is normal to compile procedure with Plsql developer connection. Once the test starts to enter debug mode, it is stuck. The initial guess is that there is no permission, but the DBA role, if not the right will directly report the error without permission. The later guess is the version of Oracle or PL SQL

1:oracle SQL Developer 4.0.2 download Link:Http://www.oracle.com/technetwork/developer-tools/sql-developer/downloads/index.html2: The downloaded file is sqldeveloper-4.0.2.15.21-1.noarch.rpm, RPM installation package cannot be installed directly on Ubuntu system, need to use

Label:s = SELECT t.* from t w = WHERE b = between and l = '% ' o = ORDER by INSW = in (SELECT a From a where a) SW = Select t.* from t WHERE t sc* = Select COUNT (*) from t st = Select t.* , T.rowid from t f = for update u = Update t SET t. WHERE t 　　1. Save the above contents as Shortcuts.txt, copy to the X:\Program files\plsql developer\plugins directory, Win7 to pay attention to the permissions2. Menu select Tools-Perferences, Editor-autorep

Oracle Study--pl/sql Developer software errorThe blog is open at 51cto and CSDN.System environment:Operating system: Windows XP (64)Software: PL/SQL Devoloper 8.04Software, after normal installation, the following error occurred during use:650) this.width=650; "Src=" http://img.blog.csdn.net/20150408162908002?watermark/2/text/ ahr0cdovl2jsb2cuy3nkbi5uzxqvbhf4mdqw

Label:PL/SQL Developer can import or export CSV files.Import CSV file steps:1, choose Tools->text Importer ....2. Select the second Data to Oracle tab and select Open Data File ... to select the CSV file to import and determine3, select the corresponding owner and table, the field one by one corresponds, and finally click on the bottom of the import, the data is imported into the selected table.Exporting a