Test strategy is a company level document and which says 
the approch for testing.the test strategy doc also says 
that the scope,business issues,test delivarables,tools 
used ,risk analysis etc.where as test plan is document 
which says what to test,wen to test ,how to test and who to 
test.the test plan document was prepared by the test lead. 

Test strategy:i hope that brief version of your test cases

Test plan:this is one of the document in your testing 
process contains testing envinornment,s/w&h/w 
requriements,test data cration etc.

Test Plan : what to test

Test strategy : How to test

TestPlan is controlled document which describes entire 
testing process.It includes
Scoping of the test,Test deliverables,Test schedule,Entry 
criteria,Exit criteria,Risks and contingencies and also 
Test strategy.


Test Strategy or Test Methodolgy is a set of guide lines 
that describes test design.

Test Stratergy : it is organisation level term which is
common for all project with small customisations

Test Plan: it is a project level term which is used for
testing a specific project.

Test Plan deicribes what to test,how to test,who to 
test,scope of testing(features to be tested and feature not 
to be tested),risks,test enivironment,delivereables etc....

Test Strategy is the part of TestPlan,which covers the hot 
to test part,it is nothing but,the appoach to be follwed to 
complete  the testing.Genearlly in appoach,TL will tell us 
howmant testing rounds we need to be performed during test 
life cycle like Full Functional Testpass,Plat form 
Testpass,Regression testing,Bug verification etc...along 
with these rounds of testing,he will also add what type of 
testing types we need to be carried out like Installation 
Testing,Funcional Testing,Regression Testing,Performance 
Testing etc....

Test strategy is part of test planning doc.

Test stategy explains what are all the kind of testings 
that should be done.

Test strategy is a phase of testing life cycle.
Test strategy is a road map for entire testing. It descrides
the all activities of testing.
Test plan is a part of the Test Strategy.
Test plan is a document which describes entry and exit 
criteria of the testing.
and wt to test how to test.
and risk factors.

Is test strategy part of test plan? when does test strategy
comes into picture during SDLC?

Test strategy is a statement which covers overall approach 
to testing and it indicates levels of testing to be 
applied,techniques, method and tools to be used.It should 
be prepared at the first stage of testing life cycle.It can 
be a part of testpaln.

Test plan is a document which covers activities to be done 
for the testing process.It should say "why" and "how" 
product is validated.

TEST STRATEGY is a document which contains the detailed 
planning for testing a particular software which defines 
scope, oject and resources of testing.It focused on the 
essential risks involved with cost and timeline 
constraints. It deals with test management and testing 
tools involved. It involves high level planning with 
deliverables, reporting and test metrics.

A TEST PLAN is a document prepared based on the Test 
Strategy, which details the testing activities which 
includes test phases and test types. It details the test 
coverage with managing test activities. It also consists of 
organization, rolls and responsibilities, staffing and 
training needs, Testing tools, defect tracking tools, test 
metrics, communication and follow ups, risk management and 
contigencies planned. in short it defines what to do, how 
to do, who to do and when to do.

Strategy or Plan sounds the same thing ie, to prepare 
something in advance for the future.

Test Strategy : It is an organisational level term which is 
used for testing all the projects in the organisation

Test Plan : It is an Project level term which is used for 
testing specific project in the organisation

TEST STRATEGY is a document which contains the detailed 
planning for testing a particular software which defines 
scope, oject and resources of testing.It focused on the 
essential risks involved with cost and timeline 
constraints. It deals with test management and testing 
tools involved. It involves high level planning with 
deliverables, reporting and test metrics.

A TEST PLAN is a document prepared based on the Test 
Strategy, which details the testing activities which 
includes test phases and test types. It details the test 
coverage with managing test activities. It also consists of 
organization, rolls and responsibilities, staffing and 
training needs, Testing tools, defect tracking tools, test 
metrics, communication and follow ups, risk management and 
contigencies planned. in short it defines what to do, how 
to do, who to do and when to do.

Test strategy is a document which consists the whole
information about the Project or the build having overall
requirements of the functional and non functional. Test plan
is the thing which consists of the information for testing
that how to test, who to test and when to test.

Test Strategy describs the test apporach how testing would 
be perfomed though out the project. It would also define 
the major test phases and criteria of acceptace. Monitoring 
and control aspects would also find good place in startegy 
document

Test Plan is more on scheduling the test acitvities

mmm